JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Right Hand - 6G - M3 x 0.5 FLH enabling detailed profiling of complex

enabling detailed profiling of complex shapes

while the order-to-despatch workflow ensures you get the exact size you need within 24–48 hours

while the straight shank supports stable alignment in manual reaming

precise bore finishes with minimal rework

59 mm nominal bore size

JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Right Hand - 6G - M3 x 0.5 FLH enabling detailed profiling of complexThe JBO Thread Plug Gauge is a precision inspection tool designed for metric coarse threads. It helps engineers, machinists, buyers, and quality teams quickly verify that threaded holes meet exact standards before assembly, reducing misfits and rework. This right handed plug gauge covers M3 x 0. 5 threads with a 6G tolerance and is crafted from hardened steel for durable, long lasting performance in demanding workshop environments. Go No Go quick