JBO Thread Plug Gauge - BSW Go/No-Go - Right Hand - Medium Class - 1/2 x 12 ER Collet Chucks repeatable thread quality across production

repeatable thread quality across production runs

you benefit from controlled production and reliable lead times

and cut-off applications

45 mm bores

while the W coating extends tool life and stabilizes cutting performance on demanding materials below 55 HRc

JBO Thread Plug Gauge - BSW Go/No-Go - Right Hand - Medium Class - 1/2 x 12 ER Collet Chucks repeatable thread quality across productionThe JBO Thread Plug Gauge is a Go No Go gauge designed for inspecting BSW (British Standard Whitworth) thread holes. In a right hand, medium class 1 2 x 12 configuration, it provides fast, reliable checks that help manufacturing, automotive, and aerospace teams verify thread compatibility before assembly. Its simple go no go design gives an immediate pass fail verdict, reducing inspection time and guarding against mismatched parts. Go No Go quick