JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M30 x 1.5 M&D Standard: DIN 212‑B compliance ensures

Standard: DIN 212‑B compliance ensures consistent quality across batches

The combination of a left-hand spiral flute and right-hand cutting improves chip control and cutting stability

Secure and reliable gripping: The collet design maintains grip under load

and hobbyists who need clean pockets

left-hand spiral for chip evacuation

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 4h - M30 x 1.5 M&D Standard: DIN 212‑B compliance ensuresThe JBO Thread Ring Gauge (GO) Metric Fine, Right Hand, 4h, M30 x 1. 5 is a precision go gauge designed to verify external thread diameters on threaded components. It helps manufacturers, machinists, inspectors, and technicians quickly confirm that parts meet the required thread size and pitch, supporting accurate assembly and robust quality control. Crafted from hardened steel, this GO ring gauge delivers durable wear resistance and long service life