JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6h - M40 x 1 Milling Cutter Arbors Precise metric fine GO gauge

Precise metric fine GO gauge for M18 x 0

The straight shank fits common collets and chucks

This ER collet extension helps streamline your machining workflow by enabling longer reach while preserving alignment and accuracy

extending service life between changes

while its hardened steel construction stands up to daily use in demanding environments

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6h - M40 x 1 Milling Cutter Arbors Precise metric fine GO gaugeThe JBO Thread Ring Gauge (NoGo) Metric Fine, Right Hand, 6h, M40 x 1 is a precision tool for verifying external thread diameters. Designed for engineers, machinists, inspectors, and maintenance teams, it provides a fast, reliable pass fail check to ensure components conform to the M40 x 1 standard. Crafted from hardened steel, this NoGo gauge is built to withstand daily use in busy workshops. Its rugged construction delivers long lasting performance,