The JBO Thread Plug Gauge (GO) — Metric Fine is a precision inspection tool designed to verify threaded holes to exact metric fine specifications. Specifically configured for M60 x 1.5 with a 6H tolerance, this left-hand GO gauge helps machinists, quality inspectors, and maintenance professionals quickly confirm hole readiness and conformance.

Crafted from hardened steel and other high-quality materials, the gauge delivers durability and wear resistance for demanding work environments, ensuring long-lasting performance even in busy shops and production lines.

• Precise Metric Fine Go Gauge for M60 x 1.5 (6H): Enables quick, reliable go/no-go checks to verify threaded holes meet exact size and tolerance, reducing guesswork during assembly and quality control.
• Durable Hardened Steel Construction: Built to withstand daily use in demanding environments, delivering long-term accuracy and resistance to wear.
• Left-Hand Design with Easy Hole Verification: Tailored for left-hand threads with an intuitive check that clearly indicates proper threading, speeding up inspections.

Using the JBO Thread Plug Gauge streamlines quality control, minimizes downtime, and improves consistency across parts and assemblies. Its precise dimensions, rugged build, and straightforward operation provide confidence in every measurement, helping you pass inspections and reduce rework in manufacturing, maintenance, and engineering workflows.