The JBO Thread Ring Gauge (NoGo) is a precision tool for verifying external BSP (G) threads. Sized 4 1/2 x 11 with Tol. A and a right-hand orientation, it helps plumbers, pipefitters, engineers, and quality inspectors quickly identify non-conforming threads and ensure proper fit and sealing.

• No-Go Verification for Quick Conformance: The No-Go gauge design lets you rapidly confirm whether a thread meets BSP (G) specifications, delivering clear pass/fail results that reduce rework and prevent faulty fittings from moving downstream.
• BSP (G) Precision with Real-World Reliability: Engineered to BSP (G) standards, this ring gauge provides consistent measurements across inspections, helping you maintain compliance and avoid mismatches in fittings and seals.
• Rugged, User-Friendly Design: Durable metal construction with a knurled edge offers secure grip and easy handling in tight spaces, while the specified size and tolerance support repeatable checks in busy shops.

With the JBO Thread Ring Gauge, you gain dependable, quick verification that speeds up workflows, reduces downtime, and enhances confidence in every connection. It’s an essential tool for ensuring fittings seal correctly and meet industry BSP (G) requirements, whether you’re on a job site or in the workshop.