JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M20 x 1 Hex Key Drill Chuck and reduce downtime—so you can

and reduce downtime—so you can complete more work with confidence and fewer interruptions

enhancing stability during heavy cuts and plunging moves

repeatable corners without extra setups

With a tapered neck and no notch

3 tolerance for reliable accuracy: The G6

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M20 x 1 Hex Key Drill Chuck and reduce downtime—so you canThe JBO Thread Ring Gauge (GO) Metric Fine, Right Hand, 6h, M20 x 1 is a precision tool designed to verify external thread diameters on fasteners and turned parts. It helps manufacturers, machinists, and inspectors quickly confirm that components meet the defined metric fine thread standard. Crafted from hardened steel for lasting durability, this GO gauge resists wear in busy workshop environments. Its straightforward design makes it easy to identify