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Irwin Industrial Tools
585-10221
Unibit® High Speed Steel Fractional Hole Enlarging Step Drill
Item #101666486
- Step Drill Bit
- 10 Steps
- 7/16" Shank
- 13/16" to 1 3/8" Size Range
features
- Single flute cutting edge for greater control through steps
- Three flatted shank prevents slipping in drill chuck
- Also available with titanium nitride coating for longer life
- Patented single flute cutting edge gives the user a true round hole every time
- Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
- Pilot hole required
| No. of Steps | 10 |
| Size Range | 13/16 in to 1 3/8 in |
| Shank | 7/16 in |
| Weight | 0.66 LB |
