The JBO Thread Ring Gauge (NoGo) is a BSP (G) Right Hand external thread gauge designed to quickly and reliably verify pipe fittings and components. Ideal for plumbers, fluid-handling technicians, engineers, and quality inspectors, it helps confirm BSP (G) standard compliance and spot non-conforming threads before installation.

Made with precise dimensions and a durable construction, this NoGo gauge makes it easy to identify fittings that won’t seal properly. Built to Tol. A specifications and in the 1 x 11 format, it provides consistent pass/fail checks that support accurate assembly and long-term reliability.

• No-Go Verification: Quickly identify non-conforming BSP (G) external threads to ensure correct fit and reliable sealing.
• BSP (G) Right-Hand Compatibility: Specifically matched to BSP (G) threads for accurate, standard-compliant measurements.
• Tol. A Precision: Designed to Tol. A for repeatable, dependable checks across inspections and production runs.

Using this gauge helps streamline inspections, reduce rework, and improve consistency across parts and assemblies. It supports faster decision-making at the point of manufacture or maintenance, leading to fewer delays and more confident, high-quality results.