JBO Thread Ring Gauge (GO) - Metric Coarse - Right Hand - 4h - M18 x 2.5 ER Collet Chucks and a controlled tolerance makes

and a controlled tolerance makes it a dependable choice for precision finishing tasks where consistent results and durable performance matter

The spiral flute aids efficient chip evacuation for cleaner bore surfaces

along with square-end geometry

Its cobalt-infused HSS construction stands up to heat and wear during extended reaming cycles

and confidence across a range of steel and hardened-material tasks

JBO Thread Ring Gauge (GO) - Metric Coarse - Right Hand - 4h - M18 x 2.5 ER Collet Chucks and a controlled tolerance makesThe JBO Thread Ring Gauge (GO) for Metric Coarse, Right Hand, M18 x 2. 5, is a precision tool designed to verify external threads on fasteners and machined components. Ideal for engineers, quality control teams, buyers, and shop floor technicians, it provides a fast, reliable check that parts conform to the M18 x 2. 5 coarse thread standard and fit requirements. Precise GO measurement for M18 x 2. 5 Right Hand threads: Quickly determine if a part