JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M31 x 0.75 ER Collet Chucks and keeps the reamer aligned

and keeps the reamer aligned for true holes

the Woodruff Cutter from Europa Tools offers reliable performance when accuracy matters most

accurate hole finishing across steels and alloys

Material: PM3 powder metal construction offers enhanced durability and wear resistance

extending cutting life and reducing the need for frequent replacements—even in tougher materials

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M31 x 0.75 ER Collet Chucks and keeps the reamer alignedThe 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