The JBO Thread Plug Gauge (NoGo) for BSP (G) left-hand threads is a precise inspection tool designed to verify BSPG threaded pipe connections before assembly. It’s ideal for plumbers, equipment installers, and maintenance teams who need reliable fits and leak-free seals. With its No-Go design, it quickly confirms whether a thread meets the standard, helping you prevent ill-fitting fittings and costly rework.

• No-Go Design for Fast Conformity Checks: The No-Go feature lets you quickly identify non-conforming threads, enabling fast, decisive pass/fail checks and reducing inspection time on busy job sites.
• BSP (G) Left-Hand Compatibility: Specifically sized for BSP (G) left-hand fittings and sized at 1 3/4 x 11, it ensures you’re verifying the correct threads every time, avoiding mix-ups during assembly.
• Rugged, Knurled Body for Easy Handling: The textured, durable body and precisely machined plug provide a secure grip and repeatable results, even in tight spaces or when wearing gloves.

Using this gauge speeds up your inspection workflow by delivering clear, objective results. It helps you confirm thread compatibility before parts are joined, reducing downtime, preventing leaks, and ensuring the integrity of BSPG connections across projects. Built for regular use in workshops and field environments, it stays reliable under repeated insertions and removals, giving you confidence in every measurement.