JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M31 x 0.75 ER Collet Chucks Left-hand spiral flute with right-hand

Left-hand spiral flute with right-hand cutting: Optimizes entry and cutting action

6H: Specifically tailored to metric fine left-hand threads

and keeps the reamer aligned for true holes

enabling flexible use across milling machines

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M31 x 0.75 ER Collet Chucks Left-hand spiral flute with right-handThe JBO Thread Ring Gauge (NoGo) Metric Fine Right Hand 6g M31 x 0. 75 is a precision inspection tool designed to verify external thread diameters on components, fasteners, and machined parts. It provides a clear, fast way to determine whether a part meets the exact metric fine thread specification, helping quality teams and manufacturers maintain consistent tolerances. Crafted from hardened steel, this NoGo ring gauge delivers durable, wearresistant