JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M30 x 1.5 FLH helping you achieve precise fits

helping you achieve precise fits in assemblies and critical tolerances

Helix angle: 30° for easy chip control and reduced cutting load

this end mill provides stable control and reliable performance when working with aluminum and similar alloys

By pairing precise diameter control

Its straight shank and durable HSS-E construction make it a reliable choice for finishing operations that demand consistent performance

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M30 x 1.5 FLH helping you achieve precise fitsThe JBO Thread Plug Gauge is a precision tool engineered to verify metric fine threaded holes with a left hand thread profile. Sized for M30 x 1. 5 and built to the 6H tolerance, this Go No Go gauge lets technicians quickly confirm that a hole meets the exact specification before assembly. Whether youre an engineer, a quality inspector, a machinist, or a hobbyist, this compact gauge fits into busy workflows. Its straightforward go no go action