HSS Tap UNC Bottoming-7/16x14 UNCHB716

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  • Regular price $39.11
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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: 7/16mm
  • Pitch: 14mm
  • Overall length: 70mm
  • Shaft Diameter: 8mm
  • Drive Square: 6.2mm
  • Tapping Drill Size: 9.40mm