JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M68 x 1.5 FHH Its left-hand spiral flute and

Its left-hand spiral flute and right-hand cutting orientation deliver reliable material removal and stable hole geometry in metalworking applications

This intermediate reamer features a carbide-tipped cutting edge (K10) with a taper shank for secure

and improve finish

Left-Hand Spiral Flute with Right-Hand Cutting: Provides controlled material removal and smooth chip flow

82 mm diameter is ideal for finishing holes to exact spec

JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M68 x 1.5 FHH Its left-hand spiral flute andThe JBO Thread Ring Gauge (GO) is a precision tool designed to verify external metric threads quickly and reliably. Built for metric fine pitches, this GO gauge is specifically suitable for left hand threaded components and features an M68 x 1. 5 specification to match common inspection needs. Its ideal for engineers, machinists, quality inspectors, and maintenance staff who need consistent, on the job accuracy. Crafted from hardened steel, the gauge