The JBO Thread Ring Gauge (NoGo) - UNC - Right Hand - 2A - 1 3/4 x 5 is a precision tool designed to verify external UNC thread diameters on fasteners and components. It helps ensure threads conform to Unified thread standards, supporting reliable assembly and interchangeability across manufacturing, automotive, and aerospace applications.

Its NoGo profile makes it quick to flag non-conforming threads, preventing incorrect fits and reducing downtime. Built from hardened steel, this gauge stands up to daily use in QC stations, machine shops, and field service environments.

• UNC No-Go verification: Quickly determine whether external right-hand threads (1 3/4 x 5, 2A) are within tolerance, enabling fast pass/fail decisions and consistent quality across parts.
• Hardened steel construction: Resists wear and maintains accuracy through high-volume inspections, providing long tool life in demanding environments.
• Right-hand, 1 3/4 x 5, 2A tolerance aligned: Precisely sized to match standard UNC external threads, ensuring reliable measurement results and compatibility with fixtures and gauges.

The JBO Thread Ring Gauge supports a clear, repeatable measurement process that helps you maintain tight tolerances, improve part fit, and reduce rework across projects. This leads to faster inspections, less downtime, and more consistent performance in production lines, service centers, and repair shops.