JBO Thread Ring Gauge (GO) - Metric Coarse - Left Hand - 6h - M1.4 x 0.3 FHH and protect your tooling investment

and protect your tooling investment with reliable

This reamer is designed to integrate with standard collets and chucks thanks to its straight shank

10 micron run-out precision: Delivers tighter tolerance on held tools

Optimized flute geometry promotes efficient chip evacuation

2-Flute Miniature Design for Efficient Cutting: The two-flute geometry enables efficient chip evacuation and smooth cutting in small-diameter applications

JBO Thread Ring Gauge (GO) - Metric Coarse - Left Hand - 6h - M1.4 x 0.3 FHH and protect your tooling investmentThe JBO Thread Ring Gauge (GO) Metric Coarse Left Hand 6h M1. 4 x 0. 3 is a precision tool designed to quickly verify external metric coarse threads. Its ideal for quality control teams, machinists, and assembly technicians who need fast, reliable checks to ensure mating parts thread together correctly. Built from hardened steel, this GO ring gauge delivers durable performance in busy workshops. Its precise dimensions endure repeated use, helping you