JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M8 x 1 Die & Mould Collet Chucks while the radius edge helps

while the radius edge helps minimize edge wear and breakage

This end mill is ideal for mold and die work on materials such as pre-hardened steel

helping prevent clogging and maintain steady productivity

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

it supports faster cycles with confidence and reduced downtime

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M8 x 1 Die & Mould Collet Chucks while the radius edge helpsThe 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