The JBO Thread Plug Gauge is a metric fine-thread Go/No-Go gauge designed for precise internal thread inspection. Specifically tailored for M9 x 0.5 fine-pitch threads with a Right Hand orientation, it helps machinists, inspectors, and assembly teams quickly verify that threaded holes meet exact specifications without guesswork.

Built for durability in demanding workshop environments, this gauge features hardened steel construction to resist wear and deliver reliable performance over many cycles. Its robust design ensures long service life and consistent checks, even in busy production settings.

• Fast, reliable Go/No-Go inspection: Quickly confirm whether internal threads meet the M9 x 0.5 6G spec, reducing setup time and rework by providing a clear pass/fail result in seconds.
• Hardened steel, long wear life: Durable construction resists abrasion and corrosion, maintaining accuracy and extending the gauge’s useful life in daily use.
• Right-Hand, metric fine-thread standard: Designed for common right-hand thread applications, ensuring straightforward compatibility with standard components and simplified inventory control.

This gauge helps you streamline quality checks, speed up production workflows, and deliver consistent, dependable results across parts and batches. With reliable go/no-go performance and proven durability, you can trust it to support precise assembly and reduce downtime in your machining or manufacturing operations.