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Daredevil DSB1002 Standard Length Spade Bit Daredevil DSB1004 Standard Length Spade Bit Daredevil DSB1003 Standard Length Spade Bit
Full cone threaded tip provides the speed needed to drill faster by pulling the bit through the material with Features a full cone threaded tip for fast drilling, contoured paddle for fast chip removal, hex shank power groove to reduce slippage and spur and reamer tips for cleaner holes. Use in applications such as drilling in hardwoods, composites, treated lumber, railroad ties and other wood products. Full cone threaded tip provides the speed needed to drill faster by pulling the bit through the material with Features a full cone threaded tip for fast drilling, contoured paddle for fast chip removal, hex shank power groove to reduce slippage and spur and reamer tips for cleaner holes. Use in applications such as drilling in hardwoods, composites, treated lumber, railroad ties and other wood products. Full cone threaded tip provides the speed needed to drill faster by pulling the bit through the material with Features a full cone threaded tip for fast drilling, contoured paddle for fast chip removal, hex shank power groove to reduce slippage and spur and reamer tips for cleaner holes. Use in applications such as drilling in hardwoods, composites, treated lumber, railroad ties and other wood products.
Daredevil DSB1006 Standard Length Spade Bit BIT WOOD SPADE 1/4IN          BIT WOOD SPADE 3/8IN
BIT WOOD SPADE 1/4IN
Our Price: $3.18
BIT WOOD SPADE 3/8IN
Our Price: $3.18
Full cone threaded tip provides the speed needed to drill faster by pulling the bit through the material with Features a full cone threaded tip for fast drilling, contoured paddle for fast chip removal, hex shank power groove to reduce slippage and spur and reamer tips for cleaner holes. Use in applications such as drilling in hardwoods, composites, treated lumber, railroad ties and other wood products. Heat treated shaft resists bending under heavy loads. Angle dimples scoop the wood to drill cleaner and faster than conventional spade bits. Heat treated shaft resists bending under heavy loads. Angle dimples scoop the wood to drill cleaner and faster than conventional spade bits.
BIT WOOD SPADE 9/16IN         BIT WOOD SPADE 1/2IN          Daredevil DSB1009 Standard Length Spade Bit
BIT WOOD SPADE 9/16IN
Our Price: $3.18
BIT WOOD SPADE 1/2IN
Our Price: $3.20
Heat treated shaft resists bending under heavy loads. Angle dimples scoop the wood to drill cleaner and faster than conventional spade bits. Heat treated shaft resists bending under heavy loads. Angle dimples scoop the wood to drill cleaner and faster than conventional spade bits. Full cone threaded tip provides the speed needed to drill faster by pulling the bit through the material with Features a full cone threaded tip for fast drilling, contoured paddle for fast chip removal, hex shank power groove to reduce slippage and spur and reamer tips for cleaner holes. Use in applications such as drilling in hardwoods, composites, treated lumber, railroad ties and other wood products.
Speedbor 2000 87908 Short Length Wood Boring Spade Bit Daredevil DSB1011 Standard Length Spade Bit BIT WOOD SPADE 3/4IN
BIT WOOD SPADE 3/4IN
Our Price: $3.56
Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks. Full cone threaded tip provides the speed needed to drill faster by pulling the bit through the material with Features a full cone threaded tip for fast drilling, contoured paddle for fast chip removal, hex shank power groove to reduce slippage and spur and reamer tips for cleaner holes. Use in applications such as drilling in hardwoods, composites, treated lumber, railroad ties and other wood products. Heat treated shaft resists bending under heavy loads. Angle dimples scoop the wood to drill cleaner and faster than conventional spade bits.
BIT WOOD SPADE 5/8IN          Vermont 16642 Countersink Daredevil DSB1013 Standard Length Spade Bit
BIT WOOD SPADE 5/8IN
Our Price: $3.56
Heat treated shaft resists bending under heavy loads. Angle dimples scoop the wood to drill cleaner and faster than conventional spade bits. Adjustable countersink blade adjusts to exact depth needed. Used in applications such as deburring and chamfering holes in soft metal and wood; 1/4" shank fits all drills. Full cone threaded tip provides the speed needed to drill faster by pulling the bit through the material with Features a full cone threaded tip for fast drilling, contoured paddle for fast chip removal, hex shank power groove to reduce slippage and spur and reamer tips for cleaner holes. Use in applications such as drilling in hardwoods, composites, treated lumber, railroad ties and other wood products.
BIT WOOD SPADE 7/8IN          Speedbor 2000 87910 Short Length Wood Boring Spade Bit Speedbor 2000 87912 Short Length Wood Boring Spade Bit
BIT WOOD SPADE 7/8IN
Our Price: $3.68
Heat treated shaft resists bending under heavy loads. Angle dimples scoop the wood to drill cleaner and faster than conventional spade bits. Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks. Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks.
Speedbor 88804 Standard Length Wood Boring Spade Bit Speedbor 88805 Standard Length Wood Boring Spade Bit BIT WOOD SPADE 15/16IN
BIT WOOD SPADE 15/16IN
Our Price: $3.91
Blue groove point and cutting edge for faster chip removal, single pointed spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks. Blue groove point and cutting edge for faster chip removal, single pointed spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks. Heat treated shaft resists bending under heavy loads. Angle dimples scoop the wood to drill cleaner and faster than conventional spade bits.
Speedbor 2000 87914 Short Length Wood Boring Spade Bit Daredevil DSB1001 Standard Length Spade Bit BIT WOOD SPADE 1IN
BIT WOOD SPADE 1IN
Our Price: $4.03
Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks. Full cone threaded tip provides the speed needed to drill faster by pulling the bit through the material with Features a full cone threaded tip for fast drilling, contoured paddle for fast chip removal, hex shank power groove to reduce slippage and spur and reamer tips for cleaner holes. Use in applications such as drilling in hardwoods, composites, treated lumber, railroad ties and other wood products. Heat treated shaft resists bending under heavy loads. Angle dimples scoop the wood to drill cleaner and faster than conventional spade bits.
Irwin 373000 Replacement Pilot Drill Bit Speedbor 2000 87916 Short Length Wood Boring Spade Bit Dewalt DW1808 Replacement Pilot Drill Bit
Made of high speed steel. Fits all Irwin hole saw mandrels; replacement holesaw pilot drill bit. Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks. High speed steel long replacement pilot bit features the Dewalt pilot point tip for faster material penetration, particularly in metal.
Daredevil DSB1005 Standard Length Spade Bit Dewalt DW2721 Replacement Drill Bit Dewalt DW2720 Replacement Drill Bit
Full cone threaded tip provides the speed needed to drill faster by pulling the bit through the material with Features a full cone threaded tip for fast drilling, contoured paddle for fast chip removal, hex shank power groove to reduce slippage and spur and reamer tips for cleaner holes. Use in applications such as drilling in hardwoods, composites, treated lumber, railroad ties and other wood products. Black oxide coating for longer life on replacement drill bits with countersinks; split point drill bits start on contact and minimizes bit walk. Black oxide coating for longer life on replacement drill bits with countersinks; split point drill bits start on contact and minimizes bit walk.
Dewalt DW2722 Replacement Drill Bit Lenox 1779810 Split Point Pilot Drill Bit Speedbor 88806 Standard Length Wood Boring Spade Bit
Black oxide coating for longer life on replacement drill bits with countersinks; split point drill bits start on contact and minimizes bit walk. Hardened carbon steel for strength, split point pilot drill for faster penetration and less walking. Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks.
Daredevil DSB1017 Standard Length Spade Bit Speedbor 88807 Standard Length Wood Boring Spade Bit Speedbor 88808 Standard Length Wood Boring Spade Bit
Full cone threaded tip provides the speed needed to drill faster by pulling the bit through the material with Features a full cone threaded tip for fast drilling, contoured paddle for fast chip removal, hex shank power groove to reduce slippage and spur and reamer tips for cleaner holes. Use in applications such as drilling in hardwoods, composites, treated lumber, railroad ties and other wood products. Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks. Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks.
Daredevil DSB1015 Standard Length Spade Bit Daredevil DSB1019 Standard Length Spade Bit Daredevil DSB1021 Standard Length Spade Bit
Full cone threaded tip provides the speed needed to drill faster by pulling the bit through the material with Features a full cone threaded tip for fast drilling, contoured paddle for fast chip removal, hex shank power groove to reduce slippage and spur and reamer tips for cleaner holes. Use in applications such as drilling in hardwoods, composites, treated lumber, railroad ties and other wood products. Full cone threaded tip provides the speed needed to drill faster by pulling the bit through the material with Features a full cone threaded tip for fast drilling, contoured paddle for fast chip removal, hex shank power groove to reduce slippage and spur and reamer tips for cleaner holes. Use in applications such as drilling in hardwoods, composites, treated lumber, railroad ties and other wood products. Full cone threaded tip provides the speed needed to drill faster by pulling the bit through the material with Features a full cone threaded tip for fast drilling, contoured paddle for fast chip removal, hex shank power groove to reduce slippage and spur and reamer tips for cleaner holes. Use in applications such as drilling in hardwoods, composites, treated lumber, railroad ties and other wood products.
Daredevil DSB1007 Standard Length Spade Bit Daredevil DSB1008 Standard Length Spade Bit Lenox 1779771 Split Point Pilot Drill Bit
Full cone threaded tip provides the speed needed to drill faster by pulling the bit through the material with Features a full cone threaded tip for fast drilling, contoured paddle for fast chip removal, hex shank power groove to reduce slippage and spur and reamer tips for cleaner holes. Use in applications such as drilling in hardwoods, composites, treated lumber, railroad ties and other wood products. Full cone threaded tip provides the speed needed to drill faster by pulling the bit through the material with Features a full cone threaded tip for fast drilling, contoured paddle for fast chip removal, hex shank power groove to reduce slippage and spur and reamer tips for cleaner holes. Use in applications such as drilling in hardwoods, composites, treated lumber, railroad ties and other wood products. Hardened carbon steel for strength, split point pilot drill for faster penetration and less walking.
Speedbor 88809 Standard Length Wood Boring Spade Bit Daredevil DSB1010 Standard Length Spade Bit Speedbor 88810 Standard Length Wood Boring Spade Bit
Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks. Full cone threaded tip provides the speed needed to drill faster by pulling the bit through the material with Features a full cone threaded tip for fast drilling, contoured paddle for fast chip removal, hex shank power groove to reduce slippage and spur and reamer tips for cleaner holes. Use in applications such as drilling in hardwoods, composites, treated lumber, railroad ties and other wood products. Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks.
Speedbor 88811 Standard Length Wood Boring Spade Bit Speedbor 88812 Standard Length Wood Boring Spade Bit Speedbor 88813 Standard Length Wood Boring Spade Bit
Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks. Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks. Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks.
Speedbor 88814 Standard Length Wood Boring Spade Bit PILOT DRILL HHS HEX 1/4IN     Daredevil DSB1012 Standard Length Spade Bit
Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks. Full cone threaded tip provides the speed needed to drill faster by pulling the bit through the material with Features a full cone threaded tip for fast drilling, contoured paddle for fast chip removal, hex shank power groove to reduce slippage and spur and reamer tips for cleaner holes. Use in applications such as drilling in hardwoods, composites, treated lumber, railroad ties and other wood products.
Lenox 30857AAI Arbor Adapter NUT ARBOR ADAPTOR 2           Dewalt DW1572 Wood Boring Spade Bit
Hardened carbon steel for strength, fits hex shank type 1L and 2L with shank size 1/2" and larger, shank type 5L with shank size 3/8" and larger. Precision ground spade bit points drill clean holes in applications such as wood or composition board. Heavy duty hex shank prevents slipping and fits all 1/4" quick change systems; hole for bit storage and wire pulling.
Milwaukee 49-56-8010 Pilot Drill Bit Speedbor 88815 Standard Length Wood Boring Spade Bit Speedbor 88816 Standard Length Wood Boring Spade Bit
High speed steel bit with a 135 degree split point provides accurate hole placement, parabolic flute clears chips faster and 3-flat shank won't slip in arbor or chuck. Used in applications such as general cutting in wood and metal; fits Milwaukee Arbors 49-56-7010 (474.1740) and 49-56-7150 Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks. Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks.
BIT WOOD SPADE 1-1/2IN        Dewalt DW1578 Wood Boring Spade Bit Dewalt DW1576 Wood Boring Spade Bit
BIT WOOD SPADE 1-1/2IN
Our Price: $5.56
Heat treated shaft resists bending under heavy loads. Angle dimples scoop the wood to drill cleaner and faster than conventional spade bits. Precision ground spade bit points drill clean holes in applications such as wood or composition board. Heavy duty hex shank prevents slipping and fits all 1/4" quick change systems; hole for bit storage and wire pulling. Precision ground spade bit points drill clean holes in applications such as wood or composition board. Heavy duty hex shank prevents slipping and fits all 1/4" quick change systems; hole for bit storage and wire pulling.
BIT WOOD SPADE 1-1/8IN        Dewalt DW1574 Wood Boring Spade Bit Dewalt DW1575 Wood Boring Spade Bit
BIT WOOD SPADE 1-1/8IN
Our Price: $5.62
Heat treated shaft resists bending under heavy loads. Angle dimples scoop the wood to drill cleaner and faster than conventional spade bits. Precision ground spade bit points drill clean holes in applications such as wood or composition board. Heavy duty hex shank prevents slipping and fits all 1/4" quick change systems; hole for bit storage and wire pulling. Precision ground spade bit points drill clean holes in applications such as wood or composition board. Heavy duty hex shank prevents slipping and fits all 1/4" quick change systems; hole for bit storage and wire pulling.
BIT WOOD SPADE 1-1/4IN        Dewalt DW1580 Wood Boring Spade Bit Bosch HB85PB Pilot Drill Bit
BIT WOOD SPADE 1-1/4IN
Our Price: $5.66
Heat treated shaft resists bending under heavy loads. Angle dimples scoop the wood to drill cleaner and faster than conventional spade bits. Precision ground spade bit points drill clean holes in applications such as wood or composition board. Heavy duty hex shank prevents slipping and fits all 1/4" quick change systems; hole for bit storage and wire pulling. Easy quick change and simple plug removal with Quick Change Universal Hole Saw System works with any brand of tool or hole saw to let you change saws in seconds; high speed steel, best when used in wood applications.
Dewalt DW1585 Wood Boring Spade Bit Dewalt DW1584 Wood Boring Spade Bit Speedbor 2000 87920 Short Length Wood Boring Spade Bit
Precision ground spade bit points drill clean holes in applications such as wood or composition board. Heavy duty hex shank prevents slipping and fits all 1/4" quick change systems; hole for bit storage and wire pulling. Precision ground spade bit points drill clean holes in applications such as wood or composition board. Heavy duty hex shank prevents slipping and fits all 1/4" quick change systems; hole for bit storage and wire pulling. Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks.
Speedbor 2000 87924 Short Length Wood Boring Spade Bit Dewalt DW1586 Wood Boring Spade Bit Dewalt DW2712 Split Point Flip Drive Countersink Drill Bit
Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks. Precision ground spade bit points drill clean holes in applications such as wood or composition board. Heavy duty hex shank prevents slipping and fits all 1/4" quick change systems; hole for bit storage and wire pulling. Multi cutter countersinks for superior finish in applications such as deburring and chamfering in iron, steel, soft metal, plastic, wood and other machine-able materials. Black oxide split-point drill bits start on contact.
Dewalt DW2711 Split Point Flip Drive Countersink Drill Bit Dewalt DW2710 Split Point Flip Drive Countersink Drill Bit Dewalt DW1583 Wood Boring Spade Bit
Multi cutter countersinks for superior finish in applications such as deburring and chamfering in iron, steel, soft metal, plastic, wood and other machine-able materials. Black oxide split-point drill bits start on contact. Multi cutter countersinks for superior finish in applications such as deburring and chamfering in iron, steel, soft metal, plastic, wood and other machine-able materials. Black oxide split-point drill bits start on contact. Precision ground spade bit points drill clean holes in applications such as wood or composition board. Heavy duty hex shank prevents slipping and fits all 1/4" quick change systems; hole for bit storage and wire pulling.
Milwaukee 49-56-8000 Pilot Drill Bit BIT FLAT BORING 3/8X6IN       BIT FLAT BORING 1/2IN X 6IN
High speed steel bit with 135 degree split point starts on contact to keep the bit from walking for fast, accurate holes. Used in applications such as drilling on curved surfaces, 3-flat shank won't slip in arbor or chuck, parabolic flute clears chips faster One-bit construction gives you the extra reach you need without screw extensions. Sharp cutting edge promotes easy wood boring, faster chip removal and reduced vibration. Double wing spurs allow for fast, clean hole cutting. Versatile 1/4" Quick change hex shank can be used in all universal Quik-Lok extensions. One-bit construction gives you the extra reach you need without screw extensions. Sharp cutting edge promotes easy wood boring, faster chip removal and reduced vibration. Double wing spurs allow for fast, clean hole cutting. Versatile 1/4" Quick change hex shank can be used in all universal Quik-Lok extensions.
MK Morse TACPD4 Split Point Pilot Drill Bit DRILL PILOT 1/4X3-3/32IN      Dewalt DW1582 Wood Boring Spade Bit
Made of high speed steel and can be used in applications such as wood, plastics, aluminum, brass, cast iron, stainless steel, or any machinable metal. Shank ground 3 sides, split point; use with TA series hole saws. High-speed steel drill bit. For use with bi-metal hole saws. Will work with any arbor. Precision ground spade bit points drill clean holes in applications such as wood or composition board. Heavy duty hex shank prevents slipping and fits all 1/4" quick change systems; hole for bit storage and wire pulling.
BIT FLAT BORING 9/16X6IN      BIT FLAT BORING 5/8X6IN       Speedbor 88818 Standard Length Wood Boring Spade Bit
One-bit construction gives you the extra reach you need without screw extensions. Sharp cutting edge promotes easy wood boring, faster chip removal and reduced vibration. Double wing spurs allow for fast, clean hole cutting. Versatile 1/4" Quick change hex shank can be used in all universal Quik-Lok extensions. One-bit construction gives you the extra reach you need without screw extensions. Sharp cutting edge promotes easy wood boring, faster chip removal and reduced vibration. Double wing spurs allow for fast, clean hole cutting. Versatile 1/4" Quick change hex shank can be used in all universal Quik-Lok extensions. Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks.
BIT FLAT BORING 3/4IN X 6IN   Speedbor 88820 Standard Length Wood Boring Spade Bit SPADE BIT 5/8IN X 6IN 2PK
One-bit construction gives you the extra reach you need without screw extensions. Sharp cutting edge promotes easy wood boring, faster chip removal and reduced vibration. Double wing spurs allow for fast, clean hole cutting. Versatile 1/4" Quick change hex shank can be used in all universal Quik-Lok extensions. Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks. Provides users with the best in class speed and ease of use. Full cone threaded tip for fast and effortless drilling. Spur and reamer provide cleaner holes. Contoured paddle for faster chip removal. Hex shank with power groove reduces slippage.
BIT FLAT BORING 13/16X6IN     BIT FLAT BORING 7/8X6IN       Irwin 1882786  Countersink Drill Bits
One-bit construction gives you the extra reach you need without screw extensions. Sharp cutting edge promotes easy wood boring, faster chip removal and reduced vibration. Double wing spurs allow for fast, clean hole cutting. Versatile 1/4" Quick change hex shank can be used in all universal Quik-Lok extensions. One-bit construction gives you the extra reach you need without screw extensions. Sharp cutting edge promotes easy wood boring, faster chip removal and reduced vibration. Double wing spurs allow for fast, clean hole cutting. Versatile 1/4" Quick change hex shank can be used in all universal Quik-Lok extensions. Tapered drill with widened flutes for drilling fast, clean pilot holes. 1/4" quick change shank reduces slipping in standard chucks and is compatible with all 1/4" quick change chucks, including impact drills. Adjustable four-cutter counterbore cuts and clears chips quicker for fast, smooth countersinking. Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth.
BIT FLAT BORING 1IN X 6IN     BIT PILOT COBALT 7.15X104MM   Irwin 1882787  Countersink Drill Bits
One-bit construction gives you the extra reach you need without screw extensions. Sharp cutting edge promotes easy wood boring, faster chip removal and reduced vibration. Double wing spurs allow for fast, clean hole cutting. Versatile 1/4" Quick change hex shank can be used in all universal Quik-Lok extensions. Cobalt pilot bit. Drill size: 7.15 x 10 mm. Overall length: 104 mm. Tapered drill with widened flutes for drilling fast, clean pilot holes. 1/4" quick change shank reduces slipping in standard chucks and is compatible with all 1/4" quick change chucks, including impact drills. Adjustable four-cutter counterbore cuts and clears chips quicker for fast, smooth countersinking. Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth.
Irwin 1882788  Countersink Drill Bits Irwin 1882789  Countersink Drill Bits Irwin 1882790  Countersink Drill Bits
Tapered drill with widened flutes for drilling fast, clean pilot holes. 1/4" quick change shank reduces slipping in standard chucks and is compatible with all 1/4" quick change chucks, including impact drills. Adjustable four-cutter counterbore cuts and clears chips quicker for fast, smooth countersinking. Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth. Tapered drill with widened flutes for drilling fast, clean pilot holes. 1/4" quick change shank reduces slipping in standard chucks and is compatible with all 1/4" quick change chucks, including impact drills. Adjustable four-cutter counterbore cuts and clears chips quicker for fast, smooth countersinking. Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth. Tapered drill with widened flutes for drilling fast, clean pilot holes. 1/4" quick change shank reduces slipping in standard chucks and is compatible with all 1/4" quick change chucks, including impact drills. Adjustable four-cutter counterbore cuts and clears chips quicker for fast, smooth countersinking. Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth.
SPADE BIT 3/4IN X 6IN 2PK     Irwin 1882791  Countersink Drill Bits Speedbor 88822 Standard Length Wood Boring Spade Bit
Provides users with the best in class speed and ease of use. Full cone threaded tip for fast and effortless drilling. Spur and reamer provide cleaner holes. Contoured paddle for faster chip removal. Hex shank with power groove reduces slippage. Tapered drill with widened flutes for drilling fast, clean pilot holes. 1/4" quick change shank reduces slipping in standard chucks and is compatible with all 1/4" quick change chucks, including impact drills. Adjustable four-cutter counterbore cuts and clears chips quicker for fast, smooth countersinking. Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth. Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks.
Speedbor 88824 Standard Length Wood Boring Spade Bit Dewalt DW2537 Rapid Load Countersink Drill Bit SPADE BIT 7/8IN X 6IN 2PK
Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks. Drill, countersink and counterbore in one step. Four-cutter countersink and tapered drill bit provide speed and finish. Provides users with the best in class speed and ease of use. Full cone threaded tip for fast and effortless drilling. Spur and reamer provide cleaner holes. Contoured paddle for faster chip removal. Hex shank with power groove reduces slippage.
Irwin 373001 Standard Hole Saw Mandrel Speedbor 88889 Wood Boring Spade Bit Set Dewalt DW2538 Rapid Load Countersink Drill Bit
Tough, durable construction with removable pilot drill for easy replacement. Blue-Groove point and cutting edge for faster chip removal; double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension. Includes (1) one each: 1/2", 3/4" and 1". Drill, countersink and counterbore in one step. Four-cutter countersink and tapered drill bit provide speed and finish.
Marathon 373002 Standard Hole Saw Mandrel PILOT BIT 1/4IN HEX 100MM HSS Speedbor 2000 87950 Wood Boring Spade Bit Set
Tough, durable construction with removable pilot drill for easy replacement. Hole saw pilot bit. High speed steel. Blue-Groove point and cutting edge for faster chip removal; double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension. Includes (1) one each: 1/2", 3/4" and 1".
Daredevil DLSB1005 Extended Length Spade Bit Lenox 1779803 Bi-Metal Hole Saw Arbor Speedbor 88706 Extra Long Wood Boring Spade Bit
Full cone threaded tip provides the speed needed to drill faster by pulling the bit through the material with Features a full cone threaded tip for fast drilling, contoured paddle for fast chip removal, hex shank power groove to reduce slippage and spur and reamer tips for cleaner holes. Use in applications such as drilling in hardwoods, composites, treated lumber, railroad ties and other wood products. High speed steel with adjustable pilot bit, 3 flats on shank. Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks.
Dewalt DW2567 Rapid Load Countersink Drill Bit Daredevil DLSB1007 Extended Length Spade Bit Dewalt DW1590 Wood Boring Spade Bit
Drill, countersink and counterbore in one step. Four-cutter countersink and tapered drill bit provide speed and finish. Full cone threaded tip provides the speed needed to drill faster by pulling the bit through the material with Features a full cone threaded tip for fast drilling, contoured paddle for fast chip removal, hex shank power groove to reduce slippage and spur and reamer tips for cleaner holes. Use in applications such as drilling in hardwoods, composites, treated lumber, railroad ties and other wood products. Precision ground spade bit points drill clean holes in applications such as wood or composition board. Heavy duty hex shank prevents slipping and fits all 1/4" quick change systems; hole for bit storage and wire pulling.
Speedbor 88708 Extra Long Wood Boring Spade Bit Dewalt DW2568 Rapid Load Countersink Drill Bit SPADE BIT 1-1/4IN X 6IN 2PK
Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks. Drill, countersink and counterbore in one step. Four-cutter countersink and tapered drill bit provide speed and finish. Provides users with the best in class speed and ease of use. Full cone threaded tip for fast and effortless drilling. Spur and reamer provide cleaner holes. Contoured paddle for faster chip removal. Hex shank with power groove reduces slippage.
Daredevil DLSB1003 Extended Length Spade Bit BIT DRILL PILOT 7.15INX106MM  Speedbor 88710 Extra Long Wood Boring Spade Bit
Full cone threaded tip provides the speed needed to drill faster by pulling the bit through the material with Features a full cone threaded tip for fast drilling, contoured paddle for fast chip removal, hex shank power groove to reduce slippage and spur and reamer tips for cleaner holes. Use in applications such as drilling in hardwoods, composites, treated lumber, railroad ties and other wood products. Carbide pilot drill bit. Drill size: 7.15 x 106 mm. Overall length: 106 mm. Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks.
BIT FLAT BORING 1-1/8X6IN     Dewalt DW2569 Rapid Load Countersink Drill Bit BIT FLAT BORING 1-1/4X6IN
One-bit construction gives you the extra reach you need without screw extensions. Sharp cutting edge promotes easy wood boring, faster chip removal and reduced vibration. Double wing spurs allow for fast, clean hole cutting. Versatile 1/4" Quick change hex shank can be used in all universal Quik-Lok extensions. Drill, countersink and counterbore in one step. Four-cutter countersink and tapered drill bit provide speed and finish. One-bit construction gives you the extra reach you need without screw extensions. Sharp cutting edge promotes easy wood boring, faster chip removal and reduced vibration. Double wing spurs allow for fast, clean hole cutting. Versatile 1/4" Quick change hex shank can be used in all universal Quik-Lok extensions.
Daredevil DLSB1011 Extended Length Spade Bit Speedbor 88712 Extra Long Wood Boring Spade Bit Irwin 1882630  Countersink Drill Bits
Full cone threaded tip provides the speed needed to drill faster by pulling the bit through the material with Features a full cone threaded tip for fast drilling, contoured paddle for fast chip removal, hex shank power groove to reduce slippage and spur and reamer tips for cleaner holes. Use in applications such as drilling in hardwoods, composites, treated lumber, railroad ties and other wood products. Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks. Tapered drill with widened flutes for drilling fast, clean pilot holes. 1/4" quick change shank reduces slipping in standard chucks and is compatible with all 1/4" quick change chucks, including impact drills. Adjustable four-cutter counterbore cuts and clears chips quicker for fast, smooth countersinking. Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth.
Dewalt DW1591 Wood Boring Spade Bit Irwin 1877714  Countersink Drill Bits Irwin 1882781  Countersink Drill Bits
Precision ground spade bit points drill clean holes in applications such as wood or composition board. Heavy duty hex shank prevents slipping and fits all 1/4" quick change systems; hole for bit storage and wire pulling. Precision ground 82 degree tip for countersinking most machinable metals, wood or plastic. High speed steel with black oxide coating for corrosion resistance. 5 flute design reduces chatter for smoother drilling and extended life. Tapered drill with widened flutes for drilling fast, clean pilot holes. 1/4" quick change shank reduces slipping in standard chucks and is compatible with all 1/4" quick change chucks, including impact drills. Adjustable four-cutter counterbore cuts and clears chips quicker for fast, smooth countersinking. Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth.
BIT FLAT BORING 1-3/8X6IN     BIT FLAT BORING 1-1/2IN X 6IN Daredevil DLSB1013 Extended Length Spade Bit
One-bit construction gives you the extra reach you need without screw extensions. Sharp cutting edge promotes easy wood boring, faster chip removal and reduced vibration. Double wing spurs allow for fast, clean hole cutting. Versatile 1/4" Quick change hex shank can be used in all universal Quik-Lok extensions. One-bit construction gives you the extra reach you need without screw extensions. Sharp cutting edge promotes easy wood boring, faster chip removal and reduced vibration. Double wing spurs allow for fast, clean hole cutting. Versatile 1/4" Quick change hex shank can be used in all universal Quik-Lok extensions. Full cone threaded tip provides the speed needed to drill faster by pulling the bit through the material with Features a full cone threaded tip for fast drilling, contoured paddle for fast chip removal, hex shank power groove to reduce slippage and spur and reamer tips for cleaner holes. Use in applications such as drilling in hardwoods, composites, treated lumber, railroad ties and other wood products.
Irwin 1882782  Countersink Drill Bits Lenox 30297 Split Point Pilot Drill Bit PILOT BIT 1/4HEX 100MM CARBIDE
Tapered drill with widened flutes for drilling fast, clean pilot holes. 1/4" quick change shank reduces slipping in standard chucks and is compatible with all 1/4" quick change chucks, including impact drills. Adjustable four-cutter counterbore cuts and clears chips quicker for fast, smooth countersinking. Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth. Bit starts on contact and is made of hardened carbon steel with a carbide tip for added durability. The split point pilot drill used for faster penetration and less walking; fits arbor number: 1L, 2L, 4L or 7L. Universal fit designed for SpinLock arbor. Carbide tip for use in multi-materials. Multi-material 1/4" hex shank pilot bit.
Dewalt DW1592 Wood Boring Spade Bit Speedbor 88714 Extra Long Wood Boring Spade Bit Irwin 1882783  Countersink Drill Bits
Precision ground spade bit points drill clean holes in applications such as wood or composition board. Heavy duty hex shank prevents slipping and fits all 1/4" quick change systems; hole for bit storage and wire pulling. Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks. Tapered drill with widened flutes for drilling fast, clean pilot holes. 1/4" quick change shank reduces slipping in standard chucks and is compatible with all 1/4" quick change chucks, including impact drills. Adjustable four-cutter counterbore cuts and clears chips quicker for fast, smooth countersinking. Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth.
Daredevil DLSB1009 Extended Length Spade Bit Irwin 1882784  Countersink Drill Bits Speedbor 88716 Extra Long Wood Boring Spade Bit
Full cone threaded tip provides the speed needed to drill faster by pulling the bit through the material with Features a full cone threaded tip for fast drilling, contoured paddle for fast chip removal, hex shank power groove to reduce slippage and spur and reamer tips for cleaner holes. Use in applications such as drilling in hardwoods, composites, treated lumber, railroad ties and other wood products. Tapered drill with widened flutes for drilling fast, clean pilot holes. 1/4" quick change shank reduces slipping in standard chucks and is compatible with all 1/4" quick change chucks, including impact drills. Adjustable four-cutter counterbore cuts and clears chips quicker for fast, smooth countersinking. Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth. Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks.
Dewalt DW1594 Wood Boring Spade Bit BIT FLAT BORING 3/8IN X 16IN  Irwin 1882785  Countersink Drill Bits
Precision ground spade bit points drill clean holes in applications such as wood or composition board. Heavy duty hex shank prevents slipping and fits all 1/4" quick change systems; hole for bit storage and wire pulling. One-bit construction gives you the extra reach you need without screw extensions. Sharp cutting edge promotes easy wood boring, faster chip removal and reduced vibration. Double wing spurs allow for fast, clean hole cutting. Versatile 1/4" Quick change hex shank can be used in all universal Quik-Lok extensions. Tapered drill with widened flutes for drilling fast, clean pilot holes. 1/4" quick change shank reduces slipping in standard chucks and is compatible with all 1/4" quick change chucks, including impact drills. Adjustable four-cutter counterbore cuts and clears chips quicker for fast, smooth countersinking. Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth.
Daredevil DSB5006 Standard Length Wood Boring Spade Bit Set Dewalt DW1593 Wood Boring Spade Bit Dewalt DW1800 Bi-Metal Hole Saw Mandrel
Full cone threaded tip provides the speed needed to drill faster and it pulls the bit through the material with less effort and vibration than other spade bits. Includes (1) one each: 3/8", 1/2", 5/8", 3/4", 7/8" and 1". Precision ground spade bit points drill clean holes in applications such as wood or composition board. Heavy duty hex shank prevents slipping and fits all 1/4" quick change systems; hole for bit storage and wire pulling. All quick change mandrels feature double set screws with a recessed combination head for quick and easy centering bit changes. The 1/4 inch round shank mandrel is used with 1/4 inch or larger chuck capacity. Used in applications such as installing pipe, copper tubing, or PVC, cutting a round hole in either wood or metal.
BIT FLAT BORING 1/2X16IN      Irwin 1877715  Countersink Drill Bits BIT FLAT BORING 5/8IN X 16IN
One-bit construction gives you the extra reach you need without screw extensions. Sharp cutting edge promotes easy wood boring, faster chip removal and reduced vibration. Double wing spurs allow for fast, clean hole cutting. Versatile 1/4" Quick change hex shank can be used in all universal Quik-Lok extensions. Precision ground 82 degree tip for countersinking most machinable metals, wood or plastic. High speed steel with black oxide coating for corrosion resistance. 5 flute design reduces chatter for smoother drilling and extended life. One-bit construction gives you the extra reach you need without screw extensions. Sharp cutting edge promotes easy wood boring, faster chip removal and reduced vibration. Double wing spurs allow for fast, clean hole cutting. Versatile 1/4" Quick change hex shank can be used in all universal Quik-Lok extensions.
BIT FLAT BORING 3/4X16IN      Dewalt DW1595 Wood Boring Spade Bit Dewalt DW1801 Bi-Metal Hole Saw Mandrel
One-bit construction gives you the extra reach you need without screw extensions. Sharp cutting edge promotes easy wood boring, faster chip removal and reduced vibration. Double wing spurs allow for fast, clean hole cutting. Versatile 1/4" Quick change hex shank can be used in all universal Quik-Lok extensions. Precision ground spade bit points drill clean holes in applications such as wood or composition board. Heavy duty hex shank prevents slipping and fits all 1/4" quick change systems; hole for bit storage and wire pulling. Hardened steel construction features a double set screws with a recessed combination head for quick and easy centering. Used in applications such as installing pipe, copper tubing, PVC or cutting a round hole in either wood or metal. DW1803 offer spring-loaded collar that automatically engages drive pins to prevent hole saws from locking to the mandrel.
Irwin 12411 Carded Countersink Snap Back 1779669 Bimetal Hole Saw Arbor Marathon 373003 Standard Hole Saw Mandrel
High speed steel milled and precision ground to 82 degrees for countersinking into most machinable materials such as iron, steel, soft metals, plastic or wood. Threads directly into all hole saws, no tools needed. Faster and easier to engage or disengage hole saw; no adaptor required. Tough, durable construction with removable pilot drill for easy replacement.
Marathon 373004 Standard Hole Saw Mandrel BIT FLAT BORING 7/8X16IN      BIT FLAT BORING 1IN X 16IN
Tough, durable construction with removable pilot drill for easy replacement. One-bit construction gives you the extra reach you need without screw extensions. Sharp cutting edge promotes easy wood boring, faster chip removal and reduced vibration. Double wing spurs allow for fast, clean hole cutting. Versatile 1/4" Quick change hex shank can be used in all universal Quik-Lok extensions. One-bit construction gives you the extra reach you need without screw extensions. Sharp cutting edge promotes easy wood boring, faster chip removal and reduced vibration. Double wing spurs allow for fast, clean hole cutting. Versatile 1/4" Quick change hex shank can be used in all universal Quik-Lok extensions.
Vermont 16615 Standard Straight Screw Pilot Countersink Set Speedbor 88886 Wood Boring Spade Bit Set Irwin 12412 Carded Countersink
Used for smooth and fast cuts when countersinking and counterboring in wood, plastic and composition board applications. Replaceable drill bit. Fits #6, #8, #10 and #12 wood screws. Blue-Groove point and cutting edge for faster chip removal; double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension, fits all standard quick change chucks. Includes (1) one each: 3/8", 1/2", 5/8", 3/4", 7/8" and 1". All are 6" long standard length drill bits. High speed steel milled and precision ground to 82 degrees for countersinking into most machinable materials such as iron, steel, soft metals, plastic or wood.
Black & Decker 71-536 Wood Boring Spade Bit Set Dewalt DW1587 Wood Boring Spade Bit Set BIT SET WOOD SPADE 6PC 3/8-1IN
General purpose wood drilling; fits most major brands. Includes: (1) 1/4", (1) 5/16", (1) 3/8", (1) 1/2", (1) 9/16", (1) 5/8", (1) 3/4", (1) 7/8", (1) 1", (1) 1-1/8", (1) 1-1/4", (1) 1-3/8", (1) 1-1/2", (1) storage pouch. Cutting spurs for optimum hole finish, a hang hole for bit storage and wire pulling, full length heat treat for longer life, flats on shank to prevent slipping in chuck, 1/4" Quick Change shank which fits all drills, and 1/4" quick change holders. Includes (1) each: 3/8", 1/2", 5/8", 3/4", 7/8", and 1". Set includes: 3/8", 1/2",  5/8", 3/4", 7/8", 1" and case.
Irwin 12413 Countersink Milwaukee 49-56-7010 Small Thread Hole Saw Mandrel ARBOR HEX 3/8IN W/PILOT-2NUTS
High speed steel milled and precision ground to 82 degrees for countersinking into most machinable materials such as iron, steel, soft metals, plastic or wood. Made from hardened carbon steel and alloy steel for greater durability; small arbor. 3/8" Diablo hole saw Mandrel Quick change with pilot. 60mm (2-3/8") cutting depth for deeper holes in one pass and increased productivity. Snap lock mandrel system for a quick and easy change with no down time. One size fits all Mandrel Diablo hole saws from 5/8" to 6" in diameter. Tool free plug ejection for fast material removal. Variable tooth design provides faster cuts with less vibration.
Vermont 16515 Screw Pilot Countersink Set Milwaukee 49-56-7000 Small Thread Hole Saw Mandrel Snap Back 1779772 Hole Saw Arbor
Used for smooth and fast cuts when countersinking and counterboring in  wood, plastic and composition board applications. Fits all corded and cordless screwdrivers, drills and screwguns;  1/4" hex shank, replaceable drill bit. Fits #6, #8, #10 and #12 wood screws. Made from hardened carbon steel and alloy steel for greater durability; small arbor. Threads directly into all hole saws, no tools needed. Faster and easier to engage or disengage hole saw; no adaptor required.
Snap Back 1779670 Bimetal Hole Saw Arbor Lenox 1779774 Bi-Metal Boxed Hole Saw Arbor Dewalt DW1810 Bi-Metal Quick Change Hole Saw Mandrel
Threads directly into all hole saws, no tools needed. Faster and easier to engage or disengage hole saw; no adaptor required. Use to enlarge holes and create accurate pilot holes for easier hole cutting. With a split point tip, the self-centering arbor penetrates quickly with less walking than standard arbors. Hardened carbon steel construction for strength. Tool free quick release collar to prevent hole saws from locking to the mandrel, double set screws with a recessed combination head for quick and easy centering bit changes for versatility in a wide range of hole saw applications.
Speedbor 88888 Wood Boring Spade Bit Set Dewalt DW1802 Bi-Metal Hole Saw Mandrel BIT PILOT WITH MANDREL
Blue-Groove point and cutting edge for faster chip removal; double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension. Includes (1) one each: 3/8", 1/2", 5/8", 3/4", 7/8", and 1". Hardened steel construction features a double set screws with a recessed combination head for quick and easy centering. Used in applications such as installing pipe, copper tubing, PVC or cutting a round hole in either wood or metal. DW1803 offer spring-loaded collar that automatically engages drive pins to prevent hole saws from locking to the mandrel. Engineered to maximize runtime. Spring-loaded collar automatically engages drive pins to prevent hole saws from locking to the mandrel. Self-feed pilot bit for fast, efficient cutting.
Milwaukee 49-56-7250 Large Thread Quick Change Hole Saw Arbor Speedbor 341008 Wood Boring Spade Bit Set Dewalt DW1818 Bi-Metal Hole Saw Mandrel
Made from hardened carbon steel and alloy steel, drive plate with an enlarged grip area for easier operation and hex shank can be used with any 3/8" extension. Fits all hole saws 1-1/4" and larger, all drill chucks 3/8" and larger. Blue-Groove point and cutting edge for faster chip removal; double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension, fits all standard quick change chucks. Includes (1) one each: 3/8", 1/2", 5/8", 3/4", 1", 1-1/8", 1-1/2" and case. All quick change mandrels feature double set screws with a recessed combination head for quick and easy centering bit changes. The 1/4 inch round shank mandrel is used with 1/4 inch or larger chuck capacity. Used in applications such as installing pipe, copper tubing, or PVC, cutting a round hole in either wood or metal.
Quik-Change PCM38AN Mandrel Kit Lenox 1779801 Bi-Metal Hole Saw Arbor Milwaukee 49-56-7240 Large Thread Quick Change Hole Saw Arbor
Quick change adapters fit most major brand of holesaws. Changes hole saw sizes quickly, provides easy plug removal with angled reinsertion of the pilot bit. Makes the Bosch Quick Change system universal. Includes: (1)  3/8" mandrel, nut adapters: (1) AN01 (works with 9/16 to 1-3/16 inch hole saws) and (1) AN02 (works with 1-1/4 to 6 inch hole saws). Use to enlarge holes and create accurate pilot holes for easier hole cutting. With a split point tip, the self-centering arbor penetrates quickly with less walking than standard arbors. Hardened carbon steel construction for strength. Backing plate is equipped with spring loaded snap pins which lock into holes on the backing plate for positive efficient transmission of torque. It can be used in 1/2" capacity drills and larger; arbor has a 5/8-18 thread. Pilot bit used in applications on wood and metal.
Milwaukee 49-56-9100 Large Thread Quick Change Hole Saw Arbor Dewalt DW1803 Bi-Metal Hole Saw Mandrel Speedbor 88898 Wood Boring Spade Bit Set
Made from hardened carbon steel and alloy steel for greater durability. Features a drive plate which is tightened up to the hole saw to eliminate wobble between the arbor and hole saw, tool-free operation, universal quick change with all brands of hole saws with no adapters required. Hardened steel construction features a double set screws with a recessed combination head for quick and easy centering. Used in applications such as installing pipe, copper tubing, PVC or cutting a round hole in either wood or metal. Offers spring-loaded collar that automatically engages drive pins to prevent hole saws from locking to the mandrel. Blue-Groove point and cutting edge for faster chip removal; double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension. Includes (1) one each: 3/8", 1/2", 5/8", 3/4", 1" and 6" Quick Change.
ARBOR WITH HSS PILOT BIT      Milwaukee 49-22-0071 Flat Boring Bit Set Milwaukee 49-56-7055 Large Thread Quick Change Hole Saw Mandrel
No tools are required to change pilot bit or cup. Fits all major brands of hole saw cups for greater versatility. Robust professional design for longer life. 3/8" arbor fits all 1/4" quick change accessories. High speed steel 1/4" hex shank pilot bit. Includes 3/8" arbor, adapter nut and high speed steel pilot bit. Bores fast clean holes in wood, plastic, plywood and formica. 1/4" shank dia. Drill point and cutting edges can be resharpened. 6-1/16" overall length. Kit includes: 6 Bits; (1) 3/8", (1) 1/2", (1) 5/8", (1) 3/4", (1) 7/8" and (1) 1" bit. Tool free operation with universal quick change for all brands of hole saws. No adapters required, hollow shank for full pilot bit access and durable hardened steel construction; fits all drill chucks 1/2" and larger. Includes: (1) large Quick Change arbor.
Irwin 1877720 Countersink Drill Bits Irwin 1882793  Countersink Drill Bit Set