POZI COUNTERSUNK from Thomas Potter Ltd

A countersunk head with a flat top surface and a cone-shaped bearing surface with a head angle of approximately 90°.

Used in applications where protrusion of the fastener above the mating surface is unacceptable. 

Requires a countersunk hole in top surface.

Stocked Materials:

  • Mild Steel
  • Brass
  • Stainless Steel grades A2 (304) and A4 (316)

Special to order materials:

  • Super Duplex
  • Titanium 
  • Incalloy

Available with the following Coatings:

  • Zinc Plated
  • Nickel plated

These are stocked in both metric and imperial thread forms as follows:

  • Metric
  • BA
  • UNF
  • UNC
  • Whitworth
  • BSF

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