5pc Drill Bit Set

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 2,000 degrees Fahrenheit. Easy to resharpen. Includes (one each): 1/8", 3/16", 1/4", 5/16" and 3/8" 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.

• MULTI-PURPOSE DRILL BIT SETS
• COBALT/TUNGSTEN CARBIDE
• 5-PIECES