JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M4 x 0.35 RPTECH you’ll experience stable performance and

you’ll experience stable performance and reliable control on every pass

and the 6 mm shank fits a wide range of milling machines

giving you the reliability you need to optimize productivity

4-Flute Square End for Clean Corners: The 4-flute geometry and square end provide efficient chip evacuation

and efficient material removal for clean

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M4 x 0.35 RPTECH you’ll experience stable performance andThe JBO Thread Plug Gauge is a precision Go No Go tool designed specifically for metric fine threads. This Left Hand version is ideal for inspectors, machinists, and assembly technicians who need fast, reliable checks of internal holes to confirm a proper M4 x 0. 35 thread fit. Built with hardened steel for long lasting performance, the gauge resists wear through repeated use in busy shops. The Go No Go design makes quick pass fail decisions that help