The JBO Thread Plug Gauge (GO) – Metric Fine, Right Hand, 6G, M58 x 1.5 is a precision inspection tool designed to verify internal threads in holes. It’s ideal for engineers, quality teams, machinists, and workshop technicians who need a reliable go/no-go check to confirm the threaded hole matches the exact M58 x 1.5 metric fine standard.

Crafted for durability and consistent performance, this GO gauge is built from hardened steel to resist wear in demanding work environments. Its simple, go/no-go design makes it easy to use during routine quality checks, helping you quickly validate thread quality and conformance.

• Precise GO verification for M58 x 1.5 threads: Quickly confirm threaded holes meet the exact M58 x 1.5 specification with a clear pass/fail check, reducing rework and scrap.
• Durable hardened steel construction: Designed to withstand daily use in busy shops while maintaining measurement accuracy over time.
• Right-hand, 6G tolerance for consistent inspections: Ensures reliable, repeatable readings in standard metric holes, supporting accurate assembly and interchangeability.

Using the JBO Thread Plug Gauge GO helps streamline threaded-hole inspections, speeds up quality control, and supports consistent, high-quality results across production runs. It provides a straightforward tool for verifying conformance to required standards, enabling confident decisions during assembly and inspection processes.