JBO Thread Plug Gauge (NoGo) - BSP (G) - Left Hand - 1 1/2 x 11

The JBO Thread Plug Gauge (NoGo) for BSP (G) left-hand threads is a precision handheld tool designed to verify threaded pipe connections with accuracy. It’s well-suited for plumbers, fabricators, engineers, and quality-control teams working in plumbing, fluid handling, and general engineering environments. The gauge helps confirm that fittings meet BSP (G) left-hand specifications and seal properly.

Sized at 1 1/2 x 11, this No-Go gauge provides quick, reliable pass/fail checks for left-hand BSP threads, enabling efficient inspection on the shop floor or in the field and reducing guesswork during installation.

• Left-Hand BSP (G) No-Go Verification: Quickly identify non-conforming left-hand BSP threads, helping prevent mismatches, leaks, and rework during assembly.
• Size-Specific BSP (G) Compliance (1 1/2 x 11): Precisely sized to BSP (G) standards for fast, consistent pass/fail results on 1 1/2 x 11 left-hand fittings.
• Durable, Easy-to-Handle Knurled Body: Knurled grip provides secure handling in tight spaces, with a robust design that withstands daily workshop and field use.

In use, the JBO Thread Plug Gauge delivers a reliable, non-destructive check that fits seamlessly into your inspection workflow. It helps shorten installation time, minimizes downtime from misfitting parts, and supports consistent sealing performance across BSP (G) connections. With its compact form and repeatable results, it enhances overall quality control and confidence in every threaded assembly.