JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M42 x 2 ER Mini Collet Chucks Made from HSS-E (M35 cobalt)

Made from HSS-E (M35 cobalt) and supplied by Toolex Ltd

Metric Fine Thread Compatibility: Calibrated for right-hand M52 x 1 metric fine threads (6H) to deliver precise NoGo checks where it matters most

this reamer supports reliable results whether enlarging existing holes or achieving a specific bore size

Left-hand spiral flute with right-hand cutting: Efficient chip removal and a smooth

Material: HSS-E (high-speed steel with cobalt) for enhanced wear resistance and longevity

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M42 x 2 ER Mini Collet Chucks Made from HSS-E (M35 cobalt)The JBO Thread Ring Gauge (GO) Metric Fine Right Hand 6h M42 x 2 is a precision Go gauge designed to verify external thread sizes. Its ideal for machinists, inspectors, engineers, and maintenance teams who need fast, reliable checks of threaded components, ensuring they meet the exact outer diameter and pitch required for a proper fit. Built from hardened steel, this gauge offers exceptional durability and wear resistance to stand up to daily workshop