JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M118 x 1.5 FHH Built from HSS-E (M35 cobalt)

Built from HSS-E (M35 cobalt) and configured as a stub reamer

high‑precision machining with confidence

Left-hand spiral flute with right-hand cutting: Optimizes chip evacuation and cutting performance

It provides a reliable NoGo check to verify threaded holes meet the maximum size specification

Non-overlapping slots and nose design (no rubber seal on newest versions): Prevents centre coolant loss for reliable cooling and long-term seal integrity

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M118 x 1.5 FHH Built from HSS-E (M35 cobalt)The JBO Thread Ring Gauge (NoGo) provides a precise check of external thread diameters to the Metric Fine standard. Specifically configured for Right Hand threads (6g) on M118 x 1. 5, this NoGo gauge helps engineers, machinists, inspectors, and hobbyists quickly confirm whether threaded parts meet exact tolerances or require adjustment, reducing guesswork in quality control. Accurate Metric Fine NoGo verification: Delivers consistent pass fail results