The JBO Thread Plug Gauge is a precision tool designed for metric fine threads. It’s ideal for engineers, machinists, and inspectors who need to confirm hole threads quickly and accurately, ensuring parts fit the way they should.

Designed for M38 x 0.75 right-hand threads with tolerance class 6H, this Go/No-Go plug gauge combines accuracy with durability. Its hardened steel construction withstands daily use in busy workshops, delivering reliable checks over time.

• Go/No-Go quick checks: Instantly verify whether the threaded hole is within tolerance, helping you approve parts faster and reduce guesswork.
• Metric fine-thread specialization: Precisely calibrated for M38 x 0.75 right-hand threads, ensuring consistent measurements across parts and batches.
• Hardened steel durability: Built to withstand regular use, resisting wear and maintaining accuracy for longer service life.

This gauge helps streamline inspections, minimizes downtime, and ensures consistent fits across parts by providing clear pass/fail results for each hole. Rely on the rugged, precision-made JBO Thread Plug Gauge for dependable performance in manufacturing, repair, and quality-control environments.