The JBO Thread Plug Gauge (GO) - Metric Fine is a precision inspection tool designed to verify threaded holes quickly and reliably. Built for engineers, machinists, quality inspectors, and workshop professionals, it confirms that M64 x 2 threads in right-hand, 6G tolerance holes meet metric fine specifications.

Crafted from hardened steel, this GO gauge resists wear and delivers durable, long-lasting performance in demanding environments. Its robust construction ensures consistent measurements across daily use, helping you trust every inspection.

• Durable hardened steel construction: Designed for frequent use in busy shops, it delivers reliable performance and long service life even in challenging conditions.
• Precise metric fine size (M64 x 2), Right-Hand, 6G: Provides accurate hole gauging to standard metric threads, supporting consistent quality across parts and lots.
• Easy-to-use GO gauge for fast checks: Simple, clear insertion and quick identification of properly threaded holes, speeding up quality control and reducing inspection time.

Incorporating the JBO GO plug gauge into your inspection routine gives you a dependable reference that supports precise assembly, reduces rework, and helps maintain uniform results across production runs. Its durable build and exact threading provide confidence for operators and buyers alike.