JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M39 x 1 M&D The straight shank provides straightforward

The straight shank provides straightforward handling and compatibility with standard reaming handles

Durable M2 HSS with DIN 206-B straight shank: Built for wear resistance and long life

With a 16 mm diameter and 160 mm overall length

Efficient Chip Evacuation and Low Cutting Forces: Sharp edges and flute geometry promote fast chip clearance

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M39 x 1 M&D The straight shank provides straightforwardThe JBO Thread Ring Gauge (GO) Metric Fine, Right Hand, M39 x 1 is a precision inspection tool designed to verify external thread diameters on fasteners, fittings, and machined components. Its ideal for engineers, inspectors, machinists, and quality teams who need fast, reliable checks to confirm threads conform to exact standards. Specifically tuned for metric fine threads, including M39 x 1 right hand configurations, this GO gauge provides a quick