HSS Tap MC Bottoming-12x1.75 MCHB120

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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: 12mm

Pitch: 1.75mm

Overall length: 75mm

Shaft Diameter: 9mm

Drive Square: 7mm

Tapping Drill Size: 10.20mm