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Thread plug gauges are employed to measure threaded holes before installing screw thread inserts. They verify the size of internal threads, ensuring they fall within their specified tolerance limits. Precision hand lapped for superior accuracy, optimal finish, and maximum durability. Screw thread inserts are used to repair damaged threads or strengthen thread assemblies. GO and/or NO GO thread plug members; Class 6H fit for metric thread plugs.

• Purpose of Thread Plug Gauges: Measure threaded holes before screw thread inserts
• Thread Plug Gauge Function: Ensures internal threads meet designed tolerance limits
• Precision Manufacturing: Hand lapped for superior accuracy, finish, and durability
• Screw Thread Inserts: Repair damaged threads or strengthen assemblies
• Thread Plug Gauge Types: GO/NO GO; Metric fit Class 6H
• Manufacturing Details: Clcoil STI thread plug gauges made of oil hardened tool steel; Most Metric sizes in stock