JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M1.8 x 0.2 M&D while the spiral flute design

while the spiral flute design improves chip clearance to minimize clogging and surface imperfections

The ball-nose profile creates smooth transitions and precise fillets

and consistently high-quality finishes on tough materials

straight-shank reamer in HSS (M2) sized at 13

repeatable reaming and is supplied to BS 328/4 standards by Toolex Ltd

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M1.8 x 0.2 M&D while the spiral flute designThe JBO Thread Ring Gauge (NoGo) Metric Fine Right Hand 6g M1. 8 x 0. 2 is a precise external thread gauge designed to verify the diameter of tiny metric threads. Its ideal for engineers, machinists, inspectors, and quality teams seeking fast, reliable checks to ensure components meet exact standards. Crafted from hardened steel, this NoGo gauge delivers exceptional durability and wear resistance, maintaining accurate measurements even in busy