Irwin 10239 Unibit Step Drill Bit ~ #9
UNIBIT #9 STEP DRILL
- 2 step Unibit drill drills 7/8" and 1-1/8" hole
- Single-flute cutting edge
- 3 flatted shank prevents slipping in drill chuck
- Ideal for drilling holes in thin materials
- Use in copper, stainless steel, brass, aluminum,
- plastic or laminates
- Maximum material thickness 1/2" & 3/4"
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