JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M42 x 1.5 ER Mini Collet Chucks built in HSS-E (M35 cobalt)

built in HSS-E (M35 cobalt) and sized at 16

making precise

enabling you to confirm compliance with specs and deliver consistently measured components

long‑lasting performance in busy workshops and demanding environments

The JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 6g - M2 x 0

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M42 x 1.5 ER Mini Collet Chucks built in HSS-E (M35 cobalt)The JBO Thread Ring Gauge (GO) Metric Fine, Right Hand, 6h, M42 x 1. 5 is a precision tool designed to quickly verify external thread diameters. Built for engineers, inspectors, and workshop technicians, it provides reliable go no go checks to confirm parts meet the M42 x 1. 5 thread specification. Crafted from hardened steel, this gauge offers exceptional durability for daily use in demanding environments. Its GO design, clear sizing, and right hand