ARTU 7/16 in. X 6-1/8 in. L Tungsten Carbide Tipped Drill Bit 1 pc SETS ⬥The sleek Windshield Mount features

⬥The sleek Windshield Mount features an adjustable aluminum arm and suspended Steelie ball design

IRWIN Cobalt Alloy Steel Drill Bit is ideal for drilling into hardened steel

Blocks out damaging elements that cause paint fade

Compact and easy to use

Discharge Pipe Size: 3/4-inch

ARTU 7/16 in. X 6-1/8 in. L Tungsten Carbide Tipped Drill Bit 1 pc SETS ⬥The sleek Windshield Mount features7The special negative back grinding enables the tip to bore with a filling action, not cutting and chrome vanadium steel shank for enormous strength and flexibility. The blend and high tech bonding of cobalt and tungsten carbide allows bit to withstand temperatures up to 2000 degree. SPECIFICATIONS Conforms to ANSI standards For use on glass, plexiglass, ceramic tile, cast m For rotary or percussion drilling Special negative back grinding enables the