JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M11 x 1 S&E Built to BS 328/4 standards

Built to BS 328/4 standards and governed by ISO H5 tolerance (-0 to +0

Hardened steel construction for lasting durability: Built to withstand daily use in demanding environments

Built for machinists who value clean contours and reliable performance

repeatable results even when tackling tough materials

this gauge resists wear and maintains accurate sizing through repeated use in busy workshops

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M11 x 1 S&E Built to BS 328/4 standardsThe JBO Thread Ring Gauge (NoGo) Metric Fine, Right Hand, M11 x 1 is a precision inspection tool for verifying external thread diameters. Its designed for machinists, inspectors, and manufacturing teams who need fast, dependable checks to confirm threads meet the required size and pitch. Manufactured from hardened steel for durability, this NoGo ring gauge withstands daily use in demanding shop environments. Its simple, intuitive design lets you