JBO Thread Ring Gauge (GO) - Metric Coarse - Right Hand - 6g - M56 x 5.5 NCDC Drill Chuck and non-ferrous work where precise

and non-ferrous work where precise bore dimensions and clean bore surfaces matter in production and repair tasks

it delivers controlled material removal for demanding metalwork

standard length: Durable material and standard form factor designed for dependable hole finishing in typical workshop use

Groove capability: Optimized for grooving with diameters as small as 4 mm

Accuracy: Consistent performance with tight tolerances for repeatable results across production runs

JBO Thread Ring Gauge (GO) - Metric Coarse - Right Hand - 6g - M56 x 5.5 NCDC Drill Chuck and non-ferrous work where preciseThe JBO Thread Ring Gauge (GO) in Metric Coarse, Right Hand, M56 x 5. 5 is a precision instrument designed to verify external threads on fasteners and components. Built for quality control and precision engineering, this GO gauge helps confirm that threads meet the required standards and will assemble confidently in your production line. Robust hardened steel construction: Delivers long lasting accuracy with excellent wear resistance for repeated use