Irwin multi-material drill bits drill through just about any type of material out there- brick, block, tile, metal, wood, plastic and marble-they will even drill through multiple materials at the same time. These versatile bits are designed specifically for rotary drilling, but are tough enough to be used with hammer drills.
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For rotary or percussion drilling. Chrome vanadium steel shank, diamond ground tip, special negative back grinding enables tip to bore through brick, concrete, masonry, ceramic tile, fiberglass, plexiglass, glass, cast metals, hardened steel, granite, marble, woods and plastic with a filing action. High tech bonding allows bit to withstand drilling temperatures up to 2000 deg F. Easy to resharpen. Includes one 1/8 in, 3/16 in, 1/4 in, 5/16 in and 3/8 in and plastic case. NOTE: Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel. Packaged in a plastic case.
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For rotary or percussion drilling. Chrome vanadium steel shank, diamond ground tip, special negative back grinding enables tip to bore through brick, concrete, masonry, ceramic tile, fiberglass, plexiglass, glass, cast metals, hardened steel, granite, marble, woods and plastic with a filing action. Cobalt and Tungsten carbide tip for max hardness and resistance to heat and wear. No center punch required, eliminates walking. High tech bonding allows bit to withstand drilling temperatures up to 2000 deg F. Easy to resharpen. Includes one each: 1/8 in, 3/16 in, 1/4 in, 5/16 in, 3/8 in, 7/16 in, 1/2 in and plastic case. NOTE: Not recommended for use on mild steel. This includes aluminum, angle iron, copper, galvanized pipe, brass and stainless steel.
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