JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M8 x 1 Die & Mould Collet Chucks thanks to the robust M2

thanks to the robust M2 HSS construction and ISO H5 tolerance

The square-edge geometry ensures clean starts and clear

reducing rework and enabling smoother assembly in dies and tooling

ER40 Compatibility and Durable Construction: Designed to fit ER40 tool holders and standard ER40 collet nuts

while the radius edge helps minimize edge wear and breakage

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M8 x 1 Die & Mould Collet Chucks thanks to the robust M2The JBO Thread Plug Gauge is a precision inspection tool designed for metric fine threads. Specifically crafted for left handed M8 x 1 holes, its Go No Go design lets you quickly verify whether a threaded hole meets the required tolerance, helping your team confirm fit before parts move to assembly. The knurled, easy grip body ensures secure handling even in busy work environments. Built from hardened steel, this gauge delivers durable, long lasting