Providing a full line of Custom Service:
Metrology
Design and Engineering
Machining
Grinding
Gage System Management
Products:
Workstations / Gage Storage
Fixture Gages
Variable Gaging (Air/Electronic/Thread)
Flush Pin Gages
Precision Gages (Template/Paddle/Profile/Concentricity)
Power Driven Thread Systems (motorized)
Thread Plug Gages (Inch/Metric/Taperlock/Reversibe/Special)
Thread Ring & Set Plugs
(Inch/Metric)
Taper Pipe Thread Gages
Taper Plug & Ring Gages
Straight Pipe Gages
STI Plug Gages
Threaded Hole Location Gages (Flexible/Off-lead)/Taper)
Precision Plain Gages
Snap Gages
Spline Gages
Gage Blank Supplies
Special Thread Plug & Ring Gages
Leader Corporation | STI Plug Gages
S.T.I. Thread Plug Gages
Helical coil ( STI ) Plug Gages are used to gage threaded holes prior to insertion of screw thread inserts. Screw thread inserts are used to repair a damaged thread or to provide stronger thread assembly. All Helical Coil - STI thread plug gages are manufactured of oil hardened tool steel to a class X tolerance. Class W tolerance thread plug gages priced on request.