#4 High Speed Steel Fractional Self Starting Unibit Drill Bit
Features and Benefits:
- Single flute cutting edge for greater control through steps
- Hex shank prevents slipping in drill chuck
- New SpeedPoint tip penetrates faster than previous Unibits and prevents walking
- Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastics and laminates
- Hole sizes: 3/16″ – 7/8″; number of holes: 12 steps