JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6h - M12 x 0.5 Boring Bar Blank this reamer is built for

this reamer is built for demanding professional shops

this end mill helps you complete mold and die projects with greater reliability and less downtime

with a flexible selection of corner radii to fit diverse mold and die features

Left‑hand spiral flute with right‑hand cutting: Optimizes chip removal and cutting stability for a smooth finish

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6h - M12 x 0.5 Boring Bar Blank this reamer is built forThe JBO Thread Ring Gauge (NoGo) is a precision tool for measuring external threads on components. Designed for metric fine threads, it checks M12 x 0. 5 right hand threads to help verify part compliance. Ideal for engineers, machinists, inspectors, and quality teams, it speeds up acceptance decisions with clear go no go results. Crafted from hardened steel, this NoGo gauge stands up to daily use in busy workshops and production lines. A knurled edge