Irwin 10239 High Speed Steel Fractional Self-StartingIrwin 10239 High Speed Steel Fractional Self-Starting Features:; Drill bit ; Ideal for drilling holes into thin material such as stainless steel copper brass aluminum plastic and laminates ; Single flute cutting edge for greater control through steps ; Patented single flute cutting edge gives a true round hole every time; 3 flattened shank prevents slipping in drill chuck
- Ideal for drilling holes into thin materials such as stainless steel copper brass aluminum plastic and laminates
- Single-flute cutting edge for greater control through steps
- Patented single-flute cutting edge gives the user a true round hole every time
- 3 faltted shank prevents slipping in drill chuck
- New SpeedPoint tip penetrates faster than previous Unibits and prevents walking