• All gages are made to ANSI Std B47.1 and in
  accordance with ANSI B89 .1.6M.
  
• Master-Bilateral: ± 1/2 tolerance.
  Go: - tolerance
  NotGo: + tolerance
  
• NotGo rings are identified by a groove around the
  outside diameter.
  
• HEMCOChrome™ Process unconditionally guaranteed
  against chipping or peeling

Hemco
Gage/GSG/Gage Assembly 光滑环规、进口光滑塞规、API螺纹规、sharp Vee螺纹规、HBPV螺纹规、LP螺纹规