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Step drill bit
Quick Overview
• For 38 mm and 50 mm connectors
• Step drill, for blind and through hole in one operation
- 1st step Ø 5 mm drill hole (blind hole)
- 2nd step Ø 7 mm shank (through hole)
- Countersunk Ø 10 mm head
• Step drill, for blind and through hole in one operation
- 1st step Ø 5 mm drill hole (blind hole)
- 2nd step Ø 7 mm shank (through hole)
- Countersunk Ø 10 mm head