JBO Thread Plug Gauge is a precision inspection tool designed for metric fine threads, specifically right-hand M22 x 0.75 with a 4H tolerance. This Go/No-Go gauge helps engineers, machinists, and quality teams quickly verify threaded holes and ensure components fit together with confidence. Built with a hardened steel body and a textured knurled grip for secure handling, it stands up to daily workshop use while delivering consistent results.

• Go/No-Go Quick Checks: Instantly determine acceptance or rejection of a hole by testing with the go and no-go limits, speeding up quality control and reducing guesswork.
• Metric Fine Thread Precision: Engineered for M22 x 0.75 with 4H tolerance to ensure accurate hole sizing and reliable mating with precision parts.
• Durable Hardened Steel with Knurled Grip: Built to last in busy environments; wear-resistant steel paired with a secure, easy-to-hold surface for precise, repeatable checks.

This gauge streamlines inspection workflows, helping you cut downtime, minimize rework, and maintain consistent assembly quality across production runs. Its robust construction and targeted metric fine-thread compatibility give you dependable performance, so you can trust measurements and speed up your manufacturing or maintenance tasks.