JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M18 x 1 NCDC Drill Chuck delivering stable performance and repeatable

delivering stable performance and repeatable results

wear-resistant carbide provides long tool life and stable cutting performance in demanding reaming applications

this gauge provides a trusted

At 51/64" diameter

you can increase your machining range and handle longer workpieces in a single setup

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M18 x 1 NCDC Drill Chuck delivering stable performance and repeatableThe JBO Thread Ring Gauge (GO) Metric Fine, Right Hand, 6h, M18 x 1 is a precision Go gauge designed to verify external thread diameters to the metric fine standard. Its an essential tool for engineers, machinists, quality inspectors, and workshop professionals who need fast, reliable checks that components meet the M18 x 1, 6H tolerance class and will thread correctly in assemblies. Crafted from hardened steel, this GO ring gauge delivers durability