JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 4h - M12 x 1.75 End Mill Holders repeatable results when enlarging existing

repeatable results when enlarging existing holes or achieving a precise final diameter

it helps deliver accurate hole finishing in a wide range of metalworking tasks

Precision reamer in HSS (M2) with straight shank

delivering long tool life and fewer tool changes in demanding jobs

it’s ideal for machinists requiring consistent hole sizes and a smooth finish

JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 4h - M12 x 1.75 End Mill Holders repeatable results when enlarging existingThe JBO Thread Ring Gauge (NoGo) is a precision inspection tool designed to quickly verify external threads against metric coarse standards. Its ideal for quality control teams, machinists, and maintenance staff who need reliable go no go checks on Right Hand M12 x 1. 75 threads. Manufactured from hardened steel for lasting durability, this NoGo gauge resists wear in demanding environments and delivers consistent measurements. Its clear NoGo