JBO Thread Plug Gauge (GO) – Metric Fine is a precision go gauge designed to verify threaded holes for metric fine M78 x 2 left-hand threads. Built for engineers, buyers, tradespeople, and quality teams, it provides a fast, reliable check that a hole is correctly threaded and ready for assembly.

Crafted from hardened steel, it resists wear in tough shop environments, delivering dependable results across many inspections.

• Accurate GO gauge for metric fine M78 x 2 left-hand threads: Verifies hole acceptance by confirming diameter and pitch match, delivering quick go/no-go decisions and reducing inspection time.
• Durable hardened steel construction: Resists wear and maintains accuracy through heavy use, ensuring long-lasting reliability in demanding environments.
• Ergonomic, knurled grip for fast handling: Easy to grip and align, enabling confident measurements even when wearing gloves.

By using this GO plug gauge, you can speed up quality checks, streamline setup, and deliver consistent results across parts that use M78 x 2 left-hand threads. The tool supports go/no-go verification with durable construction, helping reduce rework and downtime while providing reliable performance day after day.