JBO Plug Gauge - UNF (STI) Heli Coil Gauge - Right Hand - 2B - 1/2 x 20 - Calibrated (DAkkS Calibration) G Featuring a 100 mm gauge

Featuring a 100 mm gauge length

is a carbide straight-shank reamer designed to finish bores with tight

promoting alignment and reducing runout

and maintenance staff verify threaded holes quickly and with confidence

reliable fits into common tool holders

JBO Plug Gauge - UNF (STI) Heli Coil Gauge - Right Hand - 2B - 1/2 x 20 - Calibrated (DAkkS Calibration) G Featuring a 100 mm gaugeThe 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