JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M125 x 4 Face Mill Arbors - Through Coolant making it a reliable choice

making it a reliable choice for production setups that demand repeatable results

high-quality steel for reliable

you can choose the right size for everything from prototypes to production runs

Shank Style: Long neck for extended reach and stability

M35 cobalt substrate for enhanced hardness

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6g - M125 x 4 Face Mill Arbors - Through Coolant making it a reliable choiceMeet the JBO Thread Ring Gauge (GO) in Metric Fine for Right Hand threads. Sized for M125 x 4 with a 6g tolerance, this GO gauge is designed to verify external thread diameters quickly and reliably in manufacturing, engineering, and quality control environments. Crafted from hardened steel, it offers durable performance in busy workshops while helping inspectors confirm parts meet exact standards. Precise Metric Fine GO sizing: Engineered for M125 x 4