Irwin 15101ZR Titanium Fractional Step Drill Bit, 1/8"-1/2"
Self starting bit features single flute cutting edge for greater control through steps; three flatted shank prevents slipping in drill chuck. SpeedPoint tip penetrates faster and prevents walking in applications such as drilling holes into stainless steel, copper, brass, aluminum, plastic, laminates and other thin materials up to 1/8" thick.
- Hole size : 1/8-1/2"
- # of hole steps=13