JBO Plug Gauge - UNF (STI) Heli Coil Gauge - Right Hand - 2B - 1/2 x 20 - Calibrated (DAkkS Calibration) G this holder integrates seamlessly into

this holder integrates seamlessly into standard BT50 setups

Durable hardened steel construction: Designed for rugged use in demanding environments

and maintenance staff verify threaded holes quickly and with confidence

delivering superior surface quality and consistent dimensions

HSS-E (M35 cobalt) material: Provides superior wear resistance and longer tool life on tough metals

JBO Plug Gauge - UNF (STI) Heli Coil Gauge - Right Hand - 2B - 1/2 x 20 - Calibrated (DAkkS Calibration) G this holder integrates seamlessly intoThe JBO UNF (STI) Helicoil Plug Gauge is a precision measurement tool designed to verify UNF 1 2 x 20 threaded Helicoil inserts (STIs). Its ideal for manufacturing, automotive, and aerospace quality teams that fast, reliable pitch diameter checks to ensure inserts fit correctly in assemblies. This right hand gauge is calibrated to 2B and DAkkS traceable, aligning with ANSI ASME thread standards for consistent, repeatable results. DAkkS calibrated