The JBO Thread Plug Gauge (GO) — Metric Fine — Right Hand — 4H — M58 x 1.5 is a precision inspection tool designed to verify threaded holes to exact metric fine specifications. It’s ideal for engineers, machinists, quality teams, and workshop technicians who need fast, reliable go/no-go checks to maintain dimensional accuracy.

• Exact M58 x 1.5 (Metric Fine) GO gauge: Quickly verify threaded holes accept the GO gauge, ensuring the hole meets the M58 x 1.5 specification and supporting consistent quality control.
• Hardened steel construction: Delivers long tool life and wear resistance in demanding environments, reducing replacement needs over time.
• Ergonomic, easy-to-use design: Knurled grip and balanced form enable secure handling and fast, repeatable checks, helping to shorten inspection cycles.

Using this GO gauge in your inspection workflow provides clear pass/fail results, speeds up quality checks, and helps maintain uniform thread quality across production runs. With durable materials and reliable performance, you can trust it to deliver accurate results consistently and reduce rework in demanding manufacturing environments.