Description
BOTTOMING taps have a lead of two threads and are used when tapping blind holes. Usually preceded by a taper or intermediate tap. Alpha bottoming taps can be identified by their plain shaft, they have no rings on the shaft near the driving square.
- Diameter: 1/4mm
- Pitch: 20mm
- Overall length: 50mm
- Shaft Diameter: 6mm
- Drive Square: 4.9mm
- Tapping Drill Size: 5.20mm
- Weight (gr) 15.00
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