JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 4h - M3.5 x 0.6 Widin New while the M2 high‑speed steel

while the M2 high‑speed steel composition provides durability for repeated finishing passes

2 mm radius to produce smooth radii and reduce edge wear

and reliable performance on high-hardness materials

and assemblies where consistency matters most

this refers to blanks on hand ready to manufacture the reamer

JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 4h - M3.5 x 0.6 Widin New while the M2 high‑speed steelJBO Thread Ring Gauge (NoGo) Metric Coarse, Right Hand, 4h, M3. 5 x 0. 6 is a precision inspection tool designed to verify the external thread diameter of metric coarse fasteners and components. Built for engineers, machinists, quality inspectors, and assembly teams, it helps you quickly determine whether a part meets the specified M3. 5 x 0. 6 thread standard. Crafted from hardened steel, it withstands frequent use in busy workshops and production