The JBO Thread Plug Gauge (GO) – Metric Fine, Right Hand, 6H, M150 x 1.5 is a precision inspection tool designed to verify internal threads in metal components. It’s ideal for machinists, quality control teams, and workshop technicians who need fast, reliable go/no-go checks on threaded holes.

Crafted from hardened steel, this GO gauge delivers durability and wear resistance for daily use in demanding manufacturing environments. With its metric fine thread and 6H tolerance, it provides a dependable reference that helps ensure threaded holes meet real-world standards before assembly.

• Exact Go size for M150 x 1.5, 6H: Ground to the precise go size with 6H tolerance, enabling quick, confident checks of threaded holes to spec.
• Hardened steel for long life: Built to withstand frequent use, resisting wear and maintaining accuracy across many inspections.
• Grip-friendly, knurled body for easy handling: The knurled exterior helps you orient and insert the gauge quickly, even when wearing gloves.

Using the JBO Thread Plug Gauge streamlines quality control by delivering fast, repeatable pass/fail results. Its rugged construction reduces downtime and replacement costs while supporting traceable measurement records. Trustworthy and consistent, it’s a practical addition to any inspection toolkit for reliable hole validation—from prototyping to high-volume production.