HSS Tap UNF Bottoming-1/4x28 UNFHB14

  • Sale
  • Regular price $22.37
Tax included.


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: 28mm
  • Overall length: 50mm
  • Shaft Diameter: 6mm
  • Drive Square: 4.9mm
  • Tapping Drill Size: 5.50mm