Screw Ring Gauges - Go & No Go

UNC Screw Ring Gauges - Go & No Go

  • Screw ring gauges used to check external thread. 
  • GO gauge passes in the machined area, whilst the NO GO gauge does not. 
  • Can be used directly, no need setting plug gauges to test them in advance.
  • Screw ring gauges used to check external thread.

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