The JBO Thread Plug Gauge (GO) is a precision tool designed to quickly verify threaded holes for metric fine threads. Suitable for manufacturers, engineers, machinists, and quality teams, it helps confirm that holes meet standard specifications with reliable, on-the-spot checks.

Crafted from hardened steel for long-lasting durability, this GO gauge is built to withstand demanding shop environments. It features a right-hand orientation and a metric fine thread size of M76 x 4 with a 6H tolerance, ensuring consistent results across inspections and easy identification of properly threaded holes.

• Precise Metric Fine GO Gauge (M76 x 4, 6H): Enables fast, accurate hole checks to verify threading meets exact specifications, reducing guesswork during assembly and QA processes.
• Durable Hardened Steel Construction: Withstands daily use and wear in busy workshops, delivering dependable performance and a longer service life.
• Right-Hand Orientation for Consistent Checks: Designed to match standard right-hand threads, providing repeatable, reliable results with minimal setup across jobs.

Using the JBO GO gauge simplifies quality control by delivering a clear pass/fail indication for threaded holes, helping you speed up inspections, minimize rework, and maintain consistent threading quality in production or maintenance tasks.