The JBO Thread Plug Gauge (NoGo) – Metric Fine is a precision inspection tool designed to verify metric fine threaded holes. Built for professionals who inspect holes, threaded components, and fastener engagements, this gauge confirms that an M56 x 1 right-hand hole meets the 6H tolerance, delivering quick, reliable pass/fail results during quality checks.

Manufactured from hardened steel with a knurled grip for secure handling, this NoGo plug gauge is built to endure daily use in busy workshops and production lines while maintaining accuracy. The tool’s robust construction and precise dimensions deliver repeatable results you can trust, even in demanding environments.

• Go/NoGo capability for metric fine threads: Quick, unambiguous checks help you confirm hole size meets spec, speeding inspections and reducing scrap.
• Hardened steel construction: Durable and wear-resistant, it maintains accuracy over many cycles of use in challenging workshop conditions.
• Specifically sized for M56 x 1 right-hand, 6H: Ensures compatibility with common metric holes and delivers consistent measurements across jobs.

When you equip your quality control workflow with the JBO NoGo Metric Fine Thread Plug Gauge, you gain a reliable, fast method to validate threaded holes. It supports quicker setup, consistent results across operators, and improved overall workmanship, helping you meet tight tolerances with confidence and reduce rework in manufacturing and maintenance tasks.