JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Left Hand - 6G - M6 x 1 FLH Through-coolant delivery for cleaner cuts:

Through-coolant delivery for cleaner cuts: Internal coolant channels improve chip evacuation and cooling

and hobbyists who work with metal

31° on the second) to reduce chatter and extend tool life

reducing heat and clearing chips to support longer runs without tool changes

reducing rework and measurement adjustments

JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Left Hand - 6G - M6 x 1 FLH Through-coolant delivery for cleaner cuts:The JBO Thread Plug Gauge is a precision tool designed for metric coarse threads. Specifically calibrated for M6 x 1 left hand applications, this Go No Go gauge lets you quickly verify threaded holes for proper fit and function. The knurled, durable body provides a secure grip for accurate checks in busy workshops. Crafted from hardened steel, it stands up to frequent use in manufacturing, inspection, and maintenance, delivering consistent readings