The JBO Thread Plug Gauge is a precision inspection tool designed for metric fine threads, specifically crafted to verify hole readiness in high-precision assemblies. With a right-hand Go/No-Go configuration for M2.5 x 0.25 threads, this gauge helps engineers, machinists, and maintenance crews quickly confirm that threaded holes will accept parts as intended, reducing guesswork during setup and assembly.

Built from hardened steel for lasting performance, the gauge resists wear through heavy use in busy workshops. The 5H tolerance ensures consistent, repeatable checks across many cycles, so you can rely on it for quality control, in-process inspection, and routine maintenance without frequent replacement.

• Go/No-Go instant checks: Quickly determine if a threaded hole meets the M2.5 x 0.25 spec with a clear pass/fail result, speeding up setup, inspection, and quality control on the shop floor.
• Hardened steel with 5H accuracy: Durable construction resists wear and maintains precise limits, delivering reliable checks over thousands of uses and reducing rework.
• Dual-ended, ergonomic design for right-hand threads: One compact plug handles both Go and No-Go checks in a single tool, with a comfortable grip that’s easy to use with gloves and in tight spaces.

This gauge streamlines your workflow by delivering fast, confident thread verification, helping you prevent misfits, minimize downtime, and maintain consistent results across batches. Its robust build and focused design make it a dependable addition to any quality-focused workshop, whether you’re assembling high-precision components or performing routine maintenance in production environments.