Introducing the JBO Thread Plug Gauge (GO) — Metric Fine, Right Hand, 6H, M145 x 2. This GO gauge is purpose-built to verify threaded holes quickly and reliably, helping engineers, machinists, and quality teams confirm correct thread engagement without disassembly. Designed for durability and consistent performance in busy workshops, it supports precise hole verification across a range of components and industries.

• Hardened steel construction: Built to last in demanding inspection environments, this gauge resists wear and maintains accuracy over thousands of checks, reducing replacement costs.
• Precise metric fine thread (M145 x 2) with 6H tolerance: Delivers dependable GO-side checks for threaded holes, ensuring components meet exact specifications and minimizing rework.
• Ergonomic, knurled design for secure handling: The textured grip and compact form let you index the gauge quickly and maintain a steady hand during inspections, improving speed and accuracy.

By using the JBO GO gauge, quality checks become faster and more reliable. Its durable build and precise dimensions support consistent first-pass results, reduce downtime, and streamline your inspection workflow from setup through final verification. This tool helps you verify hole readiness with confidence, standardize procedures across teams, and protect thread tolerances across parts.