The JBO Thread Plug Gauge is a precision inspection tool designed for metric fine threads. It provides reliable Go/No-Go checks for internal threads and is ideal for machinists, quality control technicians, and assembly professionals who work with fine-thread holes. This gauge is specifically sized for right-hand M18 x 1.25 threads, making it a dependable companion for ensuring components thread together accurately and consistently.

• Go/No-Go Quick Checks: Quickly verify whether internal threads meet the required tolerance, speeding up inspections and reducing guesswork during the quality assurance process.
• Durable Hardened Steel Construction: Built to withstand frequent use in demanding shop environments, delivering long life and resistance to wear and deformation.
• Right-Hand Metric Fine Thread Compatibility (M18 x 1.25, 6H): Precisely matched to the M18 x 1.25 fine-thread standard and 6H hole class, ensuring reliable, repeatable results across parts and batches.

This gauge helps streamline inspections, minimize downtime, and improve first-pass acceptance of threaded components. Its robust construction and intuitive Go/No-Go design enable consistent results, so you can move forward with confidence in every assembly and production run.