JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6h - M58 x 1 M&D With robust M2 HSS construction

With robust M2 HSS construction and a precise ISO H5 tolerance

clean cuts on narrow ribs across a range of materials

this reamer helps finish holes to precise dimensions with a smooth surface finish

Geometry: Centre-cutting for accurate plunging

The Widin corner radius end mill helps you achieve precise radii and crisp edges on hard materials

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6h - M58 x 1 M&D With robust M2 HSS constructionThe JBO Thread Ring Gauge (NoGo) Metric Fine is a precision tool that makes quick, confident checks of external thread diameters. Its designed for engineers, machinists, inspectors, and technicians who need reliable go no go verification for metric fine threads. Crafted from hardened steel for durability and wear resistance, this gauge withstands daily use in busy workshops and production lines while delivering repeatable results and easy