Where added gage life is desirable, these Class X Reversible Thread Plug Gages are your perfect choice. Available in Unified and Metric Sizes, these gages are well suited for production gaging. Purchase complete GO-HI assemblies or members only. Special lengths and pitch diameters made to order.

Precision Taperlock Plug Gages

These popular Class X Taperlock & Tri LockThread Plug Gages are available in Unified and Metric sizes; Class X Taperlock Helical Coil (STI) Gages are also available. Each member is closely inspected for sized, finish and roundness. The convenient taperlock design makes changing members fast and easy. Purchase complete GO-HI assemblies or members only. Special lengths and pitch diameters are available.

Precision Thread Ring and Setting Plug Gages

Gage external threads with our Class X Thread Ring Gages. Available in Unified and Metric sizes, these ring gages are precision lapped. Use our matching Set Plug Gages to precisely set the rings. Purchase complete GO-LO sets or individual thread rings. Special pitch diameters are available.

Precision Thread Gages

Precision Straight Pipe Thread Gages. Use these gages to insure that your pipe threads meet appropriate standards and secure pipe fittings properly. Purchase complete sets or individual members.