The JBO Thread Ring Gauge (GO) - Metric Coarse is a precision go/no-go tool used to verify external threads on metric coarse fasteners and components. It enables quick, reliable checks of the M2 x 0.4 coarse thread size to ensure parts meet spec and fit correctly with mating hardware.

Designed for reliability in busy shops and quality-control environments, the gauge is crafted from hardened steel to resist wear and maintain accuracy over time. Its right-hand orientation and 4h tolerance class align with standard metric coarse threads, providing consistent, repeatable checks across production runs.

• Precise M2 x 0.4 metric coarse GO gauge: Enables swift go/no-go verification of external threads, helping ensure correct fit and reduce inspection time.
• Hardened steel construction for durability: Built to withstand frequent handling and wear, delivering long-lasting accuracy in demanding environments.
• Right-hand orientation with 4h tolerance: Supports reliable, repeatable checks for standard metric coarse threads across lots and batches.

Using the JBO Thread Ring Gauge (GO) streamlines quality control, speeds up inspections, and helps you achieve consistent thread fit across parts. It supports confident decisions on part acceptance, minimizes rework, and enhances overall workflow efficiency in both production and inspection settings.