JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M52 x 1 G and a high-quality surface finish

and a high-quality surface finish across a range of aluminum and non-ferrous materials

5 mm corner radius for smooth contours: Durable carbide stands up to wear

This reamer delivers precise hole completion with tight size control

and the design includes non-overlapping longitudinal slots to prevent coolant loss

DIN69871 Compatibility: Fits a broad range of face mills with the DIN69871 interface

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M52 x 1 G and a high-quality surface finishThe JBO Thread Ring Gauge (GO) is a metric fine thread Go gauge designed to quickly verify external thread diameters against the M52 x 1 standard. Its ideal for inspectors, machinists, and quality teams who need fast, reliable confirmation that threaded parts meet spec. Made from hardened steel for durability, this right hand, 6h profile gauge provides clear, repeatable checks in busy workshops and precision engineering environments, helping you