JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M39 x 2 A&NF quick pass/fail indication

quick pass/fail indication

delivering a smooth bore with minimal vibration and chatter

precise hole finishes across a range of materials

maintaining consistent results across multiple graphite milling tasks

and improve overall machining throughput across metalworking

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M39 x 2 A&NF quick pass/fail indicationJBO Thread Ring Gauge (GO) Metric Fine Right Hand 6g M39 x 2 is a precision go gauge designed to quickly and reliably verify external thread diameters for right hand, metric fine threads (M39 x 2, 6g). Suitable for engineers, machinists, quality inspectors, and manufacturing teams, it helps confirm that M39 x 2 threaded components meet the required dimensions and will assemble correctly. Made from hardened steel, this gauge is built for durability in