The JBO Thread Ring Gauge GO for BSP (G) threads, Left Hand, is a compact go gauge designed to quickly verify external BSP threads on fittings. Sized 1 1/4 x 11 with Tol. A, it’s built for professionals in plumbing, fluid handling, and engineering who need fast, reliable thread checks to confirm proper fit and sealing.

• Precise BSP (G) Go Verification: Quickly confirms conformance of external BSP (G) threads, enabling fast, reliable inspections and reducing guesswork or rework.
• Size and Tolerance: 1 1/4 x 11, Tol. A: Specifically matched to common fittings to deliver repeatable measurements across batches and environments.
• Ergonomic, Knurled Exterior: Secure, non-slip grip and easy handling in challenging workspaces, even when hands are oily or gloves are worn.

Used in everyday inspection and assembly workflows, this gauge helps ensure fittings will thread smoothly and seal reliably on first assembly. By delivering quick go/no-go results, it supports cleaner QA processes, reduces downtime, and gives buyers and technicians confidence that parts meet BSP (G) standards every time.