The JBO Thread Ring Gauge (NoGo) UNC Right Hand 3A 1/2 x 13 is a precision inspection tool designed to verify external thread diameters against Unified thread standards. It’s ideal for manufacturing, automotive, and aerospace environments where quick, reliable thread checks are part of the QA process.

With its NoGo design, you can immediately identify non-conforming threads, helping prevent improper fits and costly rework. Crafted from hardened steel, this gauge delivers durable performance in busy workshops and on the shop floor.

• NoGo design for fast pass/fail checks: Quickly identify threads that do not meet the standard, speeding up quality checks and reducing the risk of misfits.
• UNC 3A, Right-Hand 1/2 x 13 compatibility: Precisely machined to the Unified Thread Standard for reliable checks of common fastener sizes used across industries.
• Hardened steel construction for lasting durability: Built to resist wear in busy environments, preserving measurement accuracy over many inspections.

This gauge supports efficient quality control by providing clear, repeatable comparisons to UNC thread specs, enabling your team to maintain consistent fit and performance across parts. Its robust construction reduces downtime and ensures dependable results from the first part to the last.