Thread Ring Gages

Go or nogo, used to inspect external threads.

Blank design is to BS1044:2008 / ASME B47.1:2007 (R2022)

 

Standards

  • UNC & UNF 60 °

  • ISO & DIN

  • ACME 29 ° 

  • STUB ACME 29°

  • BA 47.5 ° 

  • Whitworth 55 ° 

  • TRAP 30 ° 

  • Buttress & Others

Material & Coating Options

  • EN31 Case Hardened Steel, depth of 0.02” (58-60 HRc)

  • 01 Tool Steel (58-60 HRc)

Design Options

  • Standard or non-standard blank lengths

  • Single or double leads

  • Pre-plate or pre-heat check rings

  • Thread lengths are per standards - special lengths offered upon request