JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M75 x 1.5 FMH and a ready-to-use tool that

and a ready-to-use tool that fits common holders

The reamer features a left‑hand spiral flute and a right‑hand cut to promote smooth cutting and efficient chip evacuation

Taper shank for secure seating: ensures repeatable alignment and minimizes runout in your toolholder

delivering D = 0 + 0

This collet is engineered to support demanding applications where micron-level accuracy matters

JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M75 x 1.5 FMH and a ready-to-use tool thatThe JBO Thread Ring Gauge (GO) Metric Fine is a precision inspection tool designed to confirm external thread diameters with speed and confidence. Ideal for engineers, machinists, quality teams, and workshop technicians, it provides a clear Go reference to verify parts meet metric fine thread specifications. This left hand gauge, sized M75 x 1. 5 with a 6g tolerance, is crafted from hardened steel to deliver durable, wear resistant performance in busy