Designed for metric fine threading, the JBO Thread Plug Gauge delivers fast, reliable Go/No-Go checks for M40 x 0.5 holes. Built for machinists, quality inspectors, and maintenance teams, the right-hand gauge helps verify threaded holes quickly and with confidence, ensuring components fit together as intended.

• Go/No-Go Quick Check: The Go/No-Go design allows for quick inspection of threaded holes, ensuring components fit together seamlessly and reducing guesswork and downtime.
• Metric Fine Thread Compatibility (M40 x 0.5, 6H, Right Hand): Specifically crafted for metric fine threads, this gauge ensures accurate acceptance for M40 x 0.5 holes with the standard right-hand orientation and 6H tolerance.
• Hardened Steel Durability: Built with hardened steel for long-lasting performance that resists wear and maintains accuracy through frequent use.

With the JBO Thread Plug Gauge, you streamline threaded-hole inspection, shorten setup times, and improve consistency across parts. The clear pass/fail results from the Go/No-Go design help reduce rework and downtime while maintaining tight tolerances. Its durable construction supports daily use in busy shop floors and maintenance environments, giving you a reliable tool that delivers repeatable, dependable results.