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Alpha Alpha UNCHB12 1/2" x 13" UNC Bottoming HSS Tap

Alpha UNCHB12 1/2" x 13" UNC Bottoming HSS Tap

by Alpha
SKU: UNCHB12
Save 20% Save 20%
$50.39
$50.39 - $50.39
$50.39
$40.38
$40.38 - $40.38
$40.38
  • Alpha HSS Hand Taps are precision manufactured in Europe to ISO529 standards.
  • HSS Hand Taps are general purpose taps suitable for hand and machine operation, and are suitable for production use.
  • 2N Tolerance for optimum thread fit that balances fastener performance, manufacturing, economy and convenience.
  • Suitable for use in Steel, Aluminium, Copper, Brass etc.
  • Always use lubricant. Click here for our range.

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: 1/2mm
  • Pitch: 13mm
  • Overall length: 75mm
  • Shaft Diameter: 9mm
  • Drive Square: 7mm
  • Tapping Drill Size: 10.75mm

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