JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M42 x 2 FMH Thanks to its tapered neck

Thanks to its tapered neck and corner radius

This intermediate-grade tool is crafted from M2 high-speed steel and features a left-hand spiral flute with right-hand cutting for controlled

Its Go/No-Go design lets you quickly verify threaded holes for correct size and fit

ISO H4 tight tolerance: ISO H4 (D) tolerance keeps hole sizes within tight limits

reducing friction and the risk of binding

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M42 x 2 FMH Thanks to its tapered neckThe JBO Thread Ring Gauge (GO) is a precision tool designed for fast, reliable inspection of external threads in metric sizes. Specifically configured for metric fine pitches and M42 x 2 threads, this GO gauge helps quality teams verify that components meet exact dimensional standards. Engineered for Right Hand threads and 6g tolerance, it supports consistent go no go checks across manufacturing, assembly, and maintenance environments. Crafted from