The JBO Thread Plug Gauge (GO) - Metric Fine - Right Hand - 6G - M78 x 2 is a precision inspection tool designed to quickly verify threaded holes meet exact size and tolerance. It’s ideal for machinists, quality inspectors, and assembly technicians who need fast, reliable go/no-go checks to keep parts and components in spec.

Crafted from hardened steel with a wear‑resistant finish, this plug gauge delivers long-lasting performance in busy workshops, resistive to the rigors of daily use and repetitive measurements.

• Accurate metric fine GO sizing: Precisely matched to M78 x 2 with 6G tolerance, enabling dependable go/no-go checks and consistent hole validation.
• Durable, wear‑resistant construction: Hardened steel composition resists wear and holds calibration through heavy use and demanding environments.
• Ergonomic, easy-grip design: Knurled body provides a secure, comfortable grip and quick alignment for fast inspections.

With its precise GO sizing and robust build, the gauge helps you speed up inspections, reduce rework, and maintain high-quality standards across parts and assemblies. It delivers clear, repeatable results that you can rely on in manufacturing, maintenance, and quality control workflows.