The JBO Thread Plug Gauge (NoGo) - Metric Fine is a precision inspection tool designed for metric fine threads. It provides fast, reliable go/no-go checks of threaded holes, helping you confirm parts meet specification with confidence. Built for durability, this gauge is oriented for right-hand threads and sized for M50 x 1 with a 6H tolerance. Constructed from hardened steel, it resists wear in demanding shop conditions and maintains accuracy over time.

• Precise metric fine sizing (M50 x 1, 6H): Specifically designed for metric fine threads, this NoGo plug gauge provides accurate maximum-hole checks to ensure your holes meet the exact M50 x 1 standard with 6H tolerance.
• NoGo design for decisive checks: The NoGo gauge quickly indicates when a hole is out of tolerance, helping you reject non-conforming parts fast and confidently.
• Rugged, durable construction with knurled grip: Made from hardened steel with a knurled sleeve for secure handling, it stands up to daily use in busy workshops and maintains long-lasting accuracy.

Using the JBO Metric Fine NoGo Gauge supports faster inspections, reduces guesswork, and delivers consistent thread quality in threaded-hole verification. Its durable build and clear pass/fail criteria help you maintain reliable assemblies, minimize rework, and meet metric fine thread standards with confidence.