The JBO Thread Plug Gauge - BSP (G) Go/No-Go, Right Hand, 1 1/8 x 11 is a precision inspection tool designed to verify BSP G threaded connections. It’s built for plumbers, engineers, fabricators, and maintenance technicians who need reliable, repeatable checks to confirm fittings will thread and seal correctly in plumbing, fluid handling, and engineering applications.

With a clear go/no-go design, it delivers quick pass/fail results, helping you speed up quality checks on-site or in the workshop and reduce the risk of misfits in critical piping systems.

• Go/No-Go precision checks: Quickly confirm thread conformity with clear pass/fail results, reducing inspection time and rework.
• Exact BSP (G) size – 1 1/8 x 11: Ensures consistent fit and reliable sealing across compatible fittings and components.
• Rugged, ergonomic design: Knurled, durable body provides secure handling and long service life in demanding environments.

Used as part of a dependable quality-control workflow, this gauge helps verify correct thread engagement, prevent leaks, and keep installation and maintenance tasks moving smoothly. Its robust construction and precise dimensions support accurate assessments, empowering confident decisions across plumbing, fluid handling, and engineering projects.