JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M4 x 0.3 Milling Cutter Arbors This combination delivers reliable groove

This combination delivers reliable groove dimensions and preserved tooling life across a range of materials

43 mm diameter delivers precise

005 mm ensures consistent bore diameter across production runs

you can pair it with standard holders for quick

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M4 x 0.3 Milling Cutter Arbors This combination delivers reliable grooveThe JBO Thread Ring Gauge (NoGo) Metric Fine Right Hand 6g M4 x 0. 3 is a precision tool used to verify external thread diameters on fasteners and machined parts, providing a reliable NoGo limit for the M4 x 0. 3 thread. Made from hardened steel for durability, it features a knurled outer edge for easy handling and orientation marks to speed inspections, making it ideal for engineers, inspectors, technicians, and hobbyists who need consistent,