The JBO Thread Plug Gauge (GO) - Metric Fine is a precision go gauge designed to quickly verify M48 x 2 left-hand threaded holes. It helps inspectors, machinists, and quality teams confirm that threaded holes meet size and thread class requirements. Ideal for production lines, maintenance shops, and QA labs, this gauge provides reliable, repeatable checks that speed quality control.

• Left-hand thread compatibility: Ensures accurate go readings for M48 x 2 left-hand threaded holes, preventing misreads and rework.
• Hardened steel construction: Built to withstand daily use in busy workshops, maintaining accuracy and longevity even after repeated insertions.
• Fast, reliable go-gauge checks: Enables quick acceptance testing on the shop floor, reducing inspection time and downtime while delivering consistent results.

With this gauge, you get a straightforward, reliable method to confirm hole threads, helping you maintain tight tolerances across parts and batches. The durable construction means fewer replacements and less downtime, while the go gauge approach delivers consistent, repeatable results that support confident lot releases and smoother production workflows.