The JBO Thread Plug Gauge (GO) is a precision inspection tool designed to verify internal threads quickly and reliably. Sized for UNS right-hand threads at 1 7/8 x 12 and class 2B, it helps manufacturers, automotive shops, and aerospace maintenance teams confirm hole acceptance during assembly and quality control.

The GO design provides instant pass/fail feedback, so you can identify properly formed threads at a glance. With a knurled, easy-to-grip body, this gauge stays secure in busy work environments, even when hands are oily or dusty.

• Exact UNS GO size for 1 7/8 x 12, Right Hand, 2B: ensures your threaded holes conform to the specified standard, enabling consistent part mating and reliable assembly across workflows.
• Fast go/no-go verification: delivers immediate acceptance checks, reducing inspection time and minimizing guesswork during quality control.
• Rugged, knurled construction: offers a secure grip and durable handling in demanding shop conditions, supporting repeated use without slippage.

This gauge helps streamline your workflow by delivering precise, standards-aligned measurements that accelerate setup, prevent misfits, and improve overall accuracy in production or maintenance environments.