The JBO Thread Plug Gauge (NoGo) - Metric Fine, Right Hand, 6H, M90 x 1.5 is a precision inspection tool used to verify the maximum material condition of metric fine threaded holes. Designed for technicians in manufacturing, repair, and quality control, it provides a quick, reliable check to ensure holes are within spec without disassembly.

Made from hardened steel, this NoGo plug gauge delivers long-lasting durability in demanding work environments. The knurled body offers a secure grip for easy insertion and withdrawal, even when gloves are worn. Its right-hand orientation and precise M90 x 1.5, 6H specification align with common metric threads to provide consistent, repeatable results.

• Go/No-Go verification for metric fine threads: Quickly confirm whether a threaded hole meets the maximum material condition, reducing guesswork and rework.
• Rugged hardened steel with knurled grip: Built to resist wear and provide a secure hold for accurate insertion and withdrawal in daily shop use.
• Precise M90 x 1.5, 6H right-hand specification: Delivers reliable, repeatable checks that align with standard metric threads, ensuring consistency across parts and processes.

Using this gauge helps you validate thread holes fast, streamlining setup and inspections. The NoGo design catches out-of-tolerance components before they become scrap, reducing downtime and rework. With durable construction and precise dimensions, you gain confident, repeatable results that support quality across shifts and teams.