JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M42 x 1.5 ER Mini Collet Chucks yielding a clean

yielding a clean

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

while the carbide composition and stub-length geometry deliver durable

long‑lasting performance in busy workshops and demanding environments

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

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M42 x 1.5 ER Mini Collet Chucks yielding a cleanThe 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