JBO Thread Plug Gauge - Trapezoidal Go-No/Go - Right Hand - 7H - Tr. 16 x 4 Boring Bar Blank Stock status note: In-stock indicators

Stock status note: In-stock indicators relate to blanks ready to machine into the reamer

standard-compliant dimensions that deliver repeatable pass/fail results for reliable quality checks

Precision performance: Consistent enlargement and a smooth finish with tight tolerances

this gauge helps technicians confirm whether a left-hand threaded hole meets Unified thread standards and will function as intended with a mating part

Designed for reliability and easy integration into existing workflows

JBO Thread Plug Gauge - Trapezoidal Go-No/Go - Right Hand - 7H - Tr. 16 x 4 Boring Bar Blank Stock status note: In-stock indicatorsThe JBO Thread Plug Gauge is a precision go no go tool designed to verify trapezoidal thread holes with speed and reliability. Built for engineers, machinists, buyers, and quality teams across manufacturing, automotive, and aerospace, it delivers quick acceptance checks to ensure threaded components meet exact size and tolerance. This right hand plug gauge is sized for Tr. 16 x 4 with a 7H tolerance, aligned to standard trapezoidal thread