JBO Thread Ring Gauge (NoGo) - Metric Coarse - Left Hand - 6g - M7 x 1 End Mill Holders repeatable hole sizes in demanding

repeatable hole sizes in demanding materials and long runs

supporting tight tolerances in precision machining

With a 2-flute design and carbide construction

ensuring stable alignment and repeatable bore finishes

intermediate-precision tool crafted in HSS (M2) for accurate bore finishing

JBO Thread Ring Gauge (NoGo) - Metric Coarse - Left Hand - 6g - M7 x 1 End Mill Holders repeatable hole sizes in demandingThe JBO Thread Ring Gauge (NoGo) Metric Coarse, Left Hand, 6g, M7 x 1 is a precision inspection tool used to verify external thread diameters against exact standards. Designed for workshops, quality labs, and manufacturing lines, it helps you quickly confirm whether a threaded part meets the required size and pitch for reliable mating. Crafted from hardened steel for lasting durability, this gauge resists wear in demanding environments and maintains