JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6G - M5.5 x 0.5 G enabling efficient material removal and

enabling efficient material removal and precise finishes across a wide range of applications

backed by a robust HSS-E core and AcuRea coating

ensuring consistent sizes across multiple passes

and hobbyists who work with steel

supporting smooth workflows in manufacturing

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6G - M5.5 x 0.5 G enabling efficient material removal andThe JBO Thread Plug Gauge is a precision go no go gauge designed for metric fine threads. It is specifically configured for M5. 5 x 0. 5 threads with a right hand 6G tolerance class, making it ideal for engineers, machinists, quality inspectors, and hobbyists who need reliable hole thread verification quickly and consistently. Crafted from hardened steel, this gauge delivers long lasting performance in busy workshops. The knurled body provides a