The JBO Thread Ring Gauge (GO) is a precision tool designed to verify external metric threads. Specifically formatted for metric fine pitches, it checks right-hand threads to the M68 x 2 standard, making it a reliable go/no-go gauge for quality control, machining, and assembly work. It’s an essential tool for machine shops, inspection labs, maintenance teams, and serious hobbyists who need quick, dependable thread verification.

• Accurate GO verification for M68 x 2 metric fine threads: Delivers instant pass/fail checks against the GO limit, helping you speed QC processes and reduce rework.
• Rugged, wear-resistant hardened steel construction: Built to endure busy workshop environments and maintain measurement accuracy through many cycles.
• Ergonomic, right-hand design for easy, repeatable checks: Knurled exterior and balanced geometry provide a secure grip and fast alignment, reducing handling time.

This gauge streamlines inspection workflows by providing clear, rapid results, supporting consistent part quality across production runs, repairs, and routine maintenance. With its durable build and precise metric fine specifications, you can rely on long-lasting performance to keep your processes moving smoothly and your measurements trustworthy.