cleaner cuts and easier chip evacuation
enabling repeatable finishes across parts
With a 1 mm diameter and a precise R0
this tool meets DIN 212-B specifications for consistent results in intermediate precision work
and through-coolant design helps you minimize rework
JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M27 x 2 S&E cleaner cuts and easier chipThe JBO Thread Plug Gauge is a precision inspection tool designed for metric fine threads. Built for left hand applications, it is sized M27 x 2 with a 6H tolerance, making it ideal for ensuring threaded holes meet exact specifications in machining, assembly, and QA environments. Whether youre an engineer, machinist, quality inspector, or maintenance professional, this gauge delivers quick, reliable go no go checks that speed up setups and reduce