Accessories

Irwin Unibit (#10231). High Speed Steel Fractional Self-Starting. Single-flute cutting edge for greater control through steps. 3 flatted shank prevents slipping in drill chuck. Also available with titanium nitride coating for longer life. SpeedPoint tip...

Irwin 10234 Unibit #4 12-Step High Speed Steel 3/8-inch Step Drill Bit, 1/16-inch Steps (3/16- to 7/8-inch) Save time by eliminating the need to change drills when drilling round holes in thin materials. Each smaller size drill also acts as a pilot for...