Drilling, Drills & Bits
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: 5mm
Pitch: 0.8mm
Overall length: 50mm
Shaft Diameter: 6mm
Drive Square: 4.9mm
Tapping Drill Size: 4.20mm
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