JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M20 x 0.75 S&E Designed for straight‑shank use

Designed for straight‑shank use

8 mm Cutting Diameter: a versatile size that balances control with material removal speed for many common applications

square holes

inspectors

Left-hand spiral flute with right-hand cutting: Efficient chip control and stable cutting

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 4h - M20 x 0.75 S&E Designed for straight‑shank useThe JBO Thread Ring Gauge (NoGo) Metric Fine, Right Hand, 4h, M20 x 0. 75 is a precision tool used to verify external thread diameters against the NoGo limit, helping ensure parts will assemble correctly and meet exacting metric standards. Designed for engineers, quality inspectors, machinists, and fabricators, its durable construction and exact dimensions support fast, reliable inspections in demanding production environments. Exact metric fine NoGo