The JBO Thread Plug Gauge is a precision inspection tool designed for metric fine threads, helping shops and teams verify that threaded holes accept fasteners with confidence. Whether you’re in a machine shop, a manufacturing line, or a quality-control lab, this gauge makes quick, reliable checks part of your workflow.

Specifically engineered for metric fine threads, this Go/No-Go gauge targets M14 x 0.5 with a Right Hand 6G configuration, delivering repeatable results across multiple uses. Crafted from hardened steel, it stands up to daily wear in busy environments while maintaining accurate measurements that you can trust.

• Go/No-Go fast checks: Quickly confirm hole acceptance within tolerance, reducing guesswork and speeding up inspections without sacrificing accuracy.
• Metric fine-thread compatibility (M14 x 0.5, 6G): Precisely gauges essential hole threads to ensure reliable assembly and minimize rework in precision applications.
• Hardened steel construction: Built to endure demanding workshop use, resist wear, and preserve measurement accuracy over thousands of checks.

Using this gauge simplifies setup and quality control: you’ll verify thread fit in moments, catch mismatches early, and maintain consistent results across parts and batches. The durable construction and reliable Go/No-Go performance help reduce downtime and keep production moving smoothly.