The JBO Thread Ring Gauge (GO) - BSP (G) - Right Hand - Tol. A - 5 1/2 x 11 is a precision go gauge designed to verify external BSP thread diameters on fittings, valves, and components. Built for use in plumbing, fluid handling, and engineering environments, it helps ensure components meet BSP (G) standards with reliable, repeatable results.

The Go design provides immediate identification of properly formed threads, helping you achieve a secure fit and dependable seal in every connection—whether you’re in a workshop, a field service call, or a manufacturing line.

• Go Gauge for BSP (G) External Threads: Quickly confirms whether threads meet BSP (G) standards, enabling confident mating and leak-free assemblies.
• Tolerance A, 5 1/2 x 11: Maintains consistent go-size across batches, reducing rework and returns by delivering reliable acceptance criteria every inspection.
• Durable Ring with Knurled Edge: Rugged and easy to grip in busy environments, delivering repeated accuracy and long tool life with secure handling.

Using this gauge streamlines inspection workflows, minimizes guesswork, and helps you prevent incorrect fittings from progressing to assembly. It supports precise quality control across plumbing, fluid handling, and engineering projects, delivering faster, more reliable results and improved overall performance.