The JBO Thread Plug Gauge (NoGo) - Metric Fine is a precision inspection tool designed to verify metric fine threaded holes. It targets Right Hand orientation with a 6H tolerance for the M64 x 3 size, making it a reliable choice for quality control, manufacturing, and maintenance workflows.

Manufactured from hardened steel, this gauge delivers durable, repeatable measurements and resists wear in demanding workshop environments.

• Precise NoGo verification for metric fine threads: Helps confirm holes conform to the M64 x 3, Right Hand 6H specification, ensuring holes are not oversized and reducing rework in assemblies and fittings.
• Rugged hardened steel construction: Built to withstand daily use in busy shops, delivering long-lasting dimensional stability and reliable performance over time.
• Ergonomic knurled handle for secure use: Provides a confident, comfortable grip for quick, repeatable checks, even in tight or crowded workspaces.

Using the JBO Metric Fine Thread NoGo gauge speeds up inspections, improves workflow consistency, and helps you achieve dependable results across production runs. Its precise dimensions, durable materials, and user-friendly design support efficient quality assurance and confident decision-making in both manufacturing and maintenance tasks.