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Irwin 4935105 Multi-Material Jobber Length Drill DRILL BIT BUL-MATRL 1/8 X 4.5 Irwin 4935106 Multi-Material Jobber Length Drill
High speed steel with four facet diamond ground carbide tip, for use with corded or cordless drills in multi material applications such as brick, block, ceramic tile, marble, wood, dry wall, gypsum board, limestone, slate, plastics/reinforced plastics, sheet metal, and  cast iron. Can also be used in hammer drills. With a carbide split-point and aggressive flute angles for faster drilling speed. Dewalt multi-material drill bits deliver the power to easily drill through a range of materials without the need to change bits. A no-spin shank helps to increase efficiency by eliminating bit slippage. High speed steel with four facet diamond ground carbide tip, for use with corded or cordless drills in multi material applications such as brick, block, ceramic tile, marble, wood, dry wall, gypsum board, limestone, slate, plastics/reinforced plastics, sheet metal, and  cast iron. Can also be used in hammer drills.
Irwin 4935107 Multi-Material Jobber Length Drill BIT DRILL M/PURPS 5/32X4X6IN  Irwin 4935108 Multi-Material Jobber Length Drill
High speed steel with four facet diamond ground carbide tip, for use with corded or cordless drills in multi material applications such as brick, block, ceramic tile, marble, wood, dry wall, gypsum board, limestone, slate, plastics/reinforced plastics, sheet metal, and  cast iron. Can also be used in hammer drills. Upgraded multi-grind heads deliver up to 85 percent faster drilling in metal that standard bits. Hex shanks and impact rated allows user in impact drivers and hammer drill/drivers for added versatility. Sharp ground cutting edges designed for advanced performance. Steep flutes with ribs deliver fast material removal in multiple materials. Multi-application design offers drilling in masonry, brick, block, tile, metal, wood and plastic. Long life construction provides longer life than standard bits. No skate tip design allows for cleaner holes. High speed steel with four facet diamond ground carbide tip, for use with corded or cordless drills in multi material applications such as brick, block, ceramic tile, marble, wood, dry wall, gypsum board, limestone, slate, plastics/reinforced plastics, sheet metal, and  cast iron. Can also be used in hammer drills.
BIT DRILL M/PURPS 3/16X4X6IN  BIT DRILL M/PURPS 1/4X4X6IN   DRILL BIT BUL-MATRL 5/32 X 4
Upgraded multi-grind heads deliver up to 85 percent faster drilling in metal that standard bits. Hex shanks and impact rated allows user in impact drivers and hammer drill/drivers for added versatility. Sharp ground cutting edges designed for advanced performance. Steep flutes with ribs deliver fast material removal in multiple materials. Multi-application design offers drilling in masonry, brick, block, tile, metal, wood and plastic. Long life construction provides longer life than standard bits. No skate tip design allows for cleaner holes. Upgraded multi-grind heads deliver up to 85 percent faster drilling in metal that standard bits. Hex shanks and impact rated allows user in impact drivers and hammer drill/drivers for added versatility. Sharp ground cutting edges designed for advanced performance. Steep flutes with ribs deliver fast material removal in multiple materials. Multi-application design offers drilling in masonry, brick, block, tile, metal, wood and plastic. Long life construction provides longer life than standard bits. No skate tip design allows for cleaner holes. With a carbide split-point and aggressive flute angles for faster drilling speed. Dewalt multi-material drill bits deliver the power to easily drill through a range of materials without the need to change bits. A no-spin shank helps to increase efficiency by eliminating bit slippage.
DRILL BIT BUL-MATRL 3/16 X 4.5 DRILL BIT BUL-MATRL 1/4 X 4.75 Artu 01010 Drill Bit
With a carbide split-point and aggressive flute angles for faster drilling speed. Dewalt multi-material drill bits deliver the power to easily drill through a range of materials without the need to change bits. A no-spin shank helps to increase efficiency by eliminating bit slippage. With a carbide split-point and aggressive flute angles for faster drilling speed. Dewalt multi-material drill bits deliver the power to easily drill through a range of materials without the need to change bits. A no-spin shank helps to increase efficiency by eliminating bit slippage. For rotary or percussion drilling. Chrome vanadium steel shank with tungsten carbide/cobalt tip that is resharpenable, and able to withstand drilling temperatures up to 2,000 degrees Fahrenheit; no center punch needed. Use  with cordless drills, corded drills and drill presses in applications such as masonry, ceramic tile, concrete, brick, fiberglass, plexiglass, glass, cast metals, hardened steel, granite, marble, woods, plastics. Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel.
Artu 01012 Drill Bit Artu 01020 Drill Bit Artu 1022 Drill Bit
For rotary or percussion drilling. Chrome vanadium steel shank with tungsten carbide/cobalt tip that is resharpenable, and able to withstand drilling temperatures up to 2,000 degrees Fahrenheit; no center punch needed. Use  with cordless drills, corded drills and drill presses in applications such as masonry, ceramic tile, concrete, brick, fiberglass, plexiglass, glass, cast metals, hardened steel, granite, marble, woods, plastics. Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel. For rotary or percussion drilling. Chrome vanadium steel shank with tungsten carbide/cobalt tip that is resharpenable, and able to withstand drilling temperatures up to 2,000 degrees Fahrenheit; no center punch needed. Use  with cordless drills, corded drills and drill presses in applications such as masonry, ceramic tile, concrete, brick, fiberglass, plexiglass, glass, cast metals, hardened steel, granite, marble, woods, plastics. Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel. For rotary or percussion drilling. Chrome vanadium steel shank with tungsten carbide/cobalt tip that is resharpenable, and able to withstand drilling temperatures up to 2,000 degrees Fahrenheit; no center punch needed. Use  with cordless drills, corded drills and drill presses in applications such as masonry, ceramic tile, concrete, brick, fiberglass, plexiglass, glass, cast metals, hardened steel, granite, marble, woods, plastics. Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel.
DRILL BIT BUL-MATRL 5/16 X 5.2 Irwin 4935109 Multi-Material Jobber Length Drill Irwin 1792767 Multi-Material Jobber Length Drill
With a carbide split-point and aggressive flute angles for faster drilling speed. Dewalt multi-material drill bits deliver the power to easily drill through a range of materials without the need to change bits. A no-spin shank helps to increase efficiency by eliminating bit slippage. High speed steel with four facet diamond ground carbide tip, for use with corded or cordless drills in multi material applications such as brick, block, ceramic tile, marble, wood, dry wall, gypsum board, limestone, slate, plastics/reinforced plastics, sheet metal, and  cast iron. Can also be used in hammer drills. For use in cordless and corded drills. For use to drill into brick, tile, block, wood, metal, plastic and marble.
Artu 01030 Drill Bit Irwin 1792768 Multi-Material Jobber Length Drill Artu 1032 Drill Bit
For rotary or percussion drilling. Chrome vanadium steel shank with tungsten carbide/cobalt tip that is resharpenable, and able to withstand drilling temperatures up to 2,000 degrees Fahrenheit; no center punch needed. Use  with cordless drills, corded drills and drill presses in applications such as masonry, ceramic tile, concrete, brick, fiberglass, plexiglass, glass, cast metals, hardened steel, granite, marble, woods, plastics. Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel. For use in cordless and corded drills. For use to drill into brick, tile, block, wood, metal, plastic and marble. For rotary or percussion drilling. Chrome vanadium steel shank with tungsten carbide/cobalt tip that is resharpenable, and able to withstand drilling temperatures up to 2,000 degrees Fahrenheit; no center punch needed. Use  with cordless drills, corded drills and drill presses in applications such as masonry, ceramic tile, concrete, brick, fiberglass, plexiglass, glass, cast metals, hardened steel, granite, marble, woods, plastics. Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel.
BIT DRILL M/PURPS 5/16X4X6IN  Irwin 1792769 Multi-Material Jobber Length Drill Artu 1040 Drill Bit
Upgraded multi-grind heads deliver up to 85 percent faster drilling in metal that standard bits. Hex shanks and impact rated allows user in impact drivers and hammer drill/drivers for added versatility. Sharp ground cutting edges designed for advanced performance. Steep flutes with ribs deliver fast material removal in multiple materials. Multi-application design offers drilling in masonry, brick, block, tile, metal, wood and plastic. Long life construction provides longer life than standard bits. No skate tip design allows for cleaner holes. For use in cordless and corded drills. For use to drill into brick, tile, block, wood, metal, plastic and marble. For rotary or percussion drilling. Chrome vanadium steel shank with tungsten carbide/cobalt tip that is resharpenable, and able to withstand drilling temperatures up to 2,000 degrees Fahrenheit; no center punch needed. Use  with cordless drills, corded drills and drill presses in applications such as masonry, ceramic tile, concrete, brick, fiberglass, plexiglass, glass, cast metals, hardened steel, granite, marble, woods, plastics. Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel.
DRILL BIT BUL-MATRL 3/8 X 5.25 Irwin 1792770 Multi-Material Jobber Length Drill BIT DRILL M/PURPS 3/8X4X6IN
With a carbide split-point and aggressive flute angles for faster drilling speed. Dewalt multi-material drill bits deliver the power to easily drill through a range of materials without the need to change bits. A no-spin shank helps to increase efficiency by eliminating bit slippage. For use in cordless and corded drills. For use to drill into brick, tile, block, wood, metal, plastic and marble. Upgraded multi-grind heads deliver up to 85 percent faster drilling in metal that standard bits. Hex shanks and impact rated allows user in impact drivers and hammer drill/drivers for added versatility. Sharp ground cutting edges designed for advanced performance. Steep flutes with ribs deliver fast material removal in multiple materials. Multi-application design offers drilling in masonry, brick, block, tile, metal, wood and plastic. Long life construction provides longer life than standard bits. No skate tip design allows for cleaner holes.
Irwin 1792771 Multi-Material Jobber Length Drill Artu 1042 Drill Bit Artu 1050 Drill Bit
For use in cordless and corded drills. For use to drill into brick, tile, block, wood, metal, plastic and marble. For rotary or percussion drilling. Chrome vanadium steel shank with tungsten carbide/cobalt tip that is resharpenable, and able to withstand drilling temperatures up to 2,000 degrees Fahrenheit; no center punch needed. Use  with cordless drills, corded drills and drill presses in applications such as masonry, ceramic tile, concrete, brick, fiberglass, plexiglass, glass, cast metals, hardened steel, granite, marble, woods, plastics. Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel. For rotary or percussion drilling. Chrome vanadium steel shank with tungsten carbide/cobalt tip that is resharpenable, and able to withstand drilling temperatures up to 2,000 degrees Fahrenheit; no center punch needed. Use  with cordless drills, corded drills and drill presses in applications such as masonry, ceramic tile, concrete, brick, fiberglass, plexiglass, glass, cast metals, hardened steel, granite, marble, woods, plastics. Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel.
Artu 1052 Drill Bit Irwin 39104 Installer Drill Bit BIT DRILL M/PURPS 1/2X4X6IN
For rotary or percussion drilling. Chrome vanadium steel shank with tungsten carbide/cobalt tip that is resharpenable, and able to withstand drilling temperatures up to 2,000 degrees Fahrenheit; no center punch needed. Use  with cordless drills, corded drills and drill presses in applications such as masonry, ceramic tile, concrete, brick, fiberglass, plexiglass, glass, cast metals, hardened steel, granite, marble, woods, plastics. Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel. Constructed from premium alloy steel with 82 degree point for fast boring. Wire hole at the tip of the bit makes it easy to pull wire through in applications such as walls, ceilings, and floors in a variety of materials for installation of small wire for telephones, cable, TV, computers, and security systems. Upgraded multi-grind heads deliver up to 85 percent faster drilling in metal that standard bits. Hex shanks and impact rated allows user in impact drivers and hammer drill/drivers for added versatility. Sharp ground cutting edges designed for advanced performance. Steep flutes with ribs deliver fast material removal in multiple materials. Multi-application design offers drilling in masonry, brick, block, tile, metal, wood and plastic. Long life construction provides longer life than standard bits. No skate tip design allows for cleaner holes.
Irwin 39105 Installer Drill Bit Artu 1060 Drill Bit Irwin 39106 Installer Drill Bit
Constructed from premium alloy steel with 82 degree point for fast boring. Wire hole at the tip of the bit makes it easy to pull wire through in applications such as walls, ceilings, and floors in a variety of materials for installation of small wire for telephones, cable, TV, computers, and security systems. For rotary or percussion drilling. Chrome vanadium steel shank with tungsten carbide/cobalt tip that is resharpenable, and able to withstand drilling temperatures up to 2,000 degrees Fahrenheit; no center punch needed. Use  with cordless drills, corded drills and drill presses in applications such as masonry, ceramic tile, concrete, brick, fiberglass, plexiglass, glass, cast metals, hardened steel, granite, marble, woods, plastics. Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel. Constructed from premium alloy steel with 82 degree point for fast boring. Wire hole at the tip of the bit makes it easy to pull wire through in applications such as walls, ceilings, and floors in a variety of materials for installation of small wire for telephones, cable, TV, computers, and security systems.
Irwin 39108 Installer Drill Bit Artu 1062 Drill Bit BIT DRILL W/CS 13PC 1/16-1/4IN
Constructed from premium alloy steel with 82 degree point for fast boring. Wire hole at the tip of the bit makes it easy to pull wire through in applications such as walls, ceilings, and floors in a variety of materials for installation of small wire for telephones, cable, TV, computers, and security systems. For rotary or percussion drilling. Chrome vanadium steel shank with tungsten carbide/cobalt tip that is resharpenable, and able to withstand drilling temperatures up to 2,000 degrees Fahrenheit; no center punch needed. Use  with cordless drills, corded drills and drill presses in applications such as masonry, ceramic tile, concrete, brick, fiberglass, plexiglass, glass, cast metals, hardened steel, granite, marble, woods, plastics. Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel. Super hard coating reduces friction and heat build-up and 135 degree split point eliminates the need for a center punch and keeps the drill from skating on the hard materials. All sizes 3/16" and larger have 3 flats on the shank for a better chuck to drill bit grip. All sizes 13/32" and above have a 3/8" reduced shank. Includes (1) each: 1/6", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4" and case with pilfer proof tab.
Irwin 39109ZR Installer Drill Bit Artu 1070 Drill Bit Irwin 39110 Installer Drill Bit
Constructed from premium alloy steel with 82 degree point for fast boring. Wire hole at the tip of the bit makes it easy to pull wire through in applications such as walls, ceilings, and floors in a variety of materials for installation of small wire for telephones, cable, TV, computers, and security systems. For rotary or percussion drilling. Chrome vanadium steel shank with tungsten carbide/cobalt tip that is resharpenable, and able to withstand drilling temperatures up to 2,000 degrees Fahrenheit; no center punch needed. Use  with cordless drills, corded drills and drill presses in applications such as masonry, ceramic tile, concrete, brick, fiberglass, plexiglass, glass, cast metals, hardened steel, granite, marble, woods, plastics. Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel. Constructed from premium alloy steel with 82 degree point for fast boring. Wire hole at the tip of the bit makes it easy to pull wire through in applications such as walls, ceilings, and floors in a variety of materials for installation of small wire for telephones, cable, TV, computers, and security systems.
BIT DRILL TITANIUM SET 17PC   Dewalt DW1341 Speed Tip Drill Bit Set Dewalt DW1363 Drill Bit Set
Super hard coating reduces friction and heat build-up. Surface drills cooler, lessens torque and downward drilling pressure. All sizes 3/16" and larger have 3 flats on the shank for a better grip on the drill bit. All sizes 13/32" and above have a 3/8" reduced shank; 135 degree split point eliminates the need for a center punch and keeps the drill from skating. Includes (1) one each: 5/64", 3/32", 7/64", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 5/16", and 3/8" and (2) two each: 1/16", 1/8", plastic case with rubberized grip panels. Titanium coating for longer life. Speed tip reduces walking on start. Ideal use in commercial and residential applications for drilling in metal, wood and plastics. No spin shanks keeps the bit secure in the drill . Included tough case container to keep bits organized. Set includes bits sized from 1/16 to 1/2''. Made of industrial grade steel with extra hard titanium coating for maximum service. Split point drill bits used in applications such as drilling in light gauge metals. Includes: 1/16", 5/64", (2) 3/32", 7/64", (2)1/8", 9/64", 5/32", 3/16", 7/32", 1/4" and case.
Artu 1075 Drill Bit Artu 1150 Drill Bit Irwin 39112 Installer Drill Bit
For rotary or percussion drilling. Chrome vanadium steel shank with tungsten carbide/cobalt tip that is resharpenable, and able to withstand drilling temperatures up to 2,000 degrees Fahrenheit; no center punch needed. Use  with cordless drills, corded drills and drill presses in applications such as masonry, ceramic tile, concrete, brick, fiberglass, plexiglass, glass, cast metals, hardened steel, granite, marble, woods, plastics. Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel. For rotary or percussion drilling. Chrome vanadium steel shank with cobalt and tungsten carbide tip that withstands temperatures up to 1900 degrees Fahrenheit. Special negative back grinding enables tip to bore through applications such as masonry, ceramic tile, concrete, brick, fiberglass, plexiglass, cast metals, hardened steel, granite, marble, woods, and plastic with a filing action rather than a cutting action. No center punch required; eliminates walking and can be re-sharpened. NOTE: Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel. Constructed from premium alloy steel with 82 degree point for fast boring. Wire hole at the tip of the bit makes it easy to pull wire through in applications such as walls, ceilings, and floors in a variety of materials for installation of small wire for telephones, cable, TV, computers, and security systems.
Artu 1155 Drill Bit DRIL BIT ST TTNM PP 14PC 1/2IN Artu 1160 Drill Bit
For rotary or percussion drilling. Chrome vanadium steel shank with cobalt and tungsten carbide tip that withstands temperatures up to 1900 degrees Fahrenheit. Special negative back grinding enables tip to bore through applications such as masonry, ceramic tile, concrete, brick, fiberglass, plexiglass, cast metals, hardened steel, granite, marble, woods, and plastic with a filing action rather than a cutting action. No center punch required; eliminates walking and can be re-sharpened. NOTE: Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel. Titanium pilot point for longer life. Starts on contacts for cleaner holes. No spin shanks. Ideal for drilling in wood and plastic. Includes bit sizes: (2) 1/16", 5/64", 3/32, 7/64", (2) 1/8", 9/64", 1/2", 3/8", 5/18", 1/4", 3/16", 5/32", and a plastic tough case. For rotary or percussion drilling. Chrome vanadium steel shank with cobalt and tungsten carbide tip that withstands temperatures up to 1900 degrees Fahrenheit. Special negative back grinding enables tip to bore through applications such as masonry, ceramic tile, concrete, brick, fiberglass, plexiglass, cast metals, hardened steel, granite, marble, woods, and plastic with a filing action rather than a cutting action. No center punch required; eliminates walking and can be re-sharpened. NOTE: Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel.
Artu 1165 Drill Bit Thunderbolt 48-89-0011 Drill Bit Set Artu 1080 Drill Bit
For rotary or percussion drilling. Chrome vanadium steel shank with cobalt and tungsten carbide tip that withstands temperatures up to 1900 degrees Fahrenheit. Special negative back grinding enables tip to bore through applications such as masonry, ceramic tile, concrete, brick, fiberglass, plexiglass, cast metals, hardened steel, granite, marble, woods, and plastic with a filing action rather than a cutting action. No center punch required; eliminates walking and can be re-sharpened. NOTE: Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel. Thunderbolt web, provides longer life and faster driller times. Parabolic flute, clears chips faster. 135 degree split point, precision start no walking. Titanium coating keeps the bits sharp. 14 piece Thunderbolt Titanium Coated drill bit set contains: (1) 1/16", (1) 5/64", (1) 3/32", (1) 7/64", (2) 1/8", (1) 9/64", (1) 5/32", (1) 3/16", (1) 7/32", (1) 1/4", (1) 5/16", (1) 3/8" and (1) 1/2". For rotary or percussion drilling. Chrome vanadium steel shank with tungsten carbide/cobalt tip that is resharpenable, and able to withstand drilling temperatures up to 2,000 degrees Fahrenheit; no center punch needed. Use  with cordless drills, corded drills and drill presses in applications such as masonry, ceramic tile, concrete, brick, fiberglass, plexiglass, glass, cast metals, hardened steel, granite, marble, woods, plastics. Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel.
Artu 1170 Drill Bit Artu 1175 Drill Bit BIT DRILL TITANIUM SET 21PC
For rotary or percussion drilling. Chrome vanadium steel shank with cobalt and tungsten carbide tip that withstands temperatures up to 1900 degrees Fahrenheit. Special negative back grinding enables tip to bore through applications such as masonry, ceramic tile, concrete, brick, fiberglass, plexiglass, cast metals, hardened steel, granite, marble, woods, and plastic with a filing action rather than a cutting action. No center punch required; eliminates walking and can be re-sharpened. NOTE: Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel. For rotary or percussion drilling. Chrome vanadium steel shank with cobalt and tungsten carbide tip that withstands temperatures up to 1900 degrees Fahrenheit. Special negative back grinding enables tip to bore through applications such as masonry, ceramic tile, concrete, brick, fiberglass, plexiglass, cast metals, hardened steel, granite, marble, woods, and plastic with a filing action rather than a cutting action. No center punch required; eliminates walking and can be re-sharpened. NOTE: Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel. Super hard coating reduces friction and heat build-up, lasts longer than standard drills. Surface drills cooler, lessens torque and downward drilling pressure. All sizes 3/16" and larger have 3 flats on the shank for a better grip on the drill bit. All sizes 13/32" and above have a 3/8" reduced shank. The 135 degree split point eliminates the need for a center punch and keeps the drill from skating on the hard materials. Includes (1) one each: 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/16", 7/32", 15/64", 1/4", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8" and metal case with pilfer proof tab.
Artu 1180 Drill Bit Artu 1185 Drill Bit
For rotary or percussion drilling. Chrome vanadium steel shank with cobalt and tungsten carbide tip that withstands temperatures up to 1900 degrees Fahrenheit. Special negative back grinding enables tip to bore through applications such as masonry, ceramic tile, concrete, brick, fiberglass, plexiglass, cast metals, hardened steel, granite, marble, woods, and plastic with a filing action rather than a cutting action. No center punch required; eliminates walking and can be re-sharpened. NOTE: Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel. For rotary or percussion drilling. Chrome vanadium steel shank with cobalt and tungsten carbide tip that withstands temperatures up to 1900 degrees Fahrenheit. Special negative back grinding enables tip to bore through applications such as masonry, ceramic tile, concrete, brick, fiberglass, plexiglass, cast metals, hardened steel, granite, marble, woods, and plastic with a filing action rather than a cutting action. No center punch required; eliminates walking and can be re-sharpened. NOTE: Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel.
   
 
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