The JBO Thread Plug Gauge is a trapezoidal go-no/go gauge designed to quickly verify trapezoidal threaded holes. It is ideal for manufacturing, automotive, and aerospace environments, where fast, reliable thread checks are essential to quality and productivity. The go/no-go design provides an at-a-glance assessment of conformance to Unified thread standards and specifications, helping prevent mismatches and costly rework.

• Go/No-Go quick verification: enables rapid acceptance testing of threads, letting operators distinguish conforming and non-conforming holes in seconds and reduce inspection time on the shop floor.
• Defined 7H and Tr. 26 x 5 specification: delivers precise, repeatable measurements that align with standard trapezoidal thread requirements, supporting consistent quality across parts.
• Ergonomic, durable construction: features a knurled body and robust end fittings for secure handling and long life in busy inspection environments.

Using the JBO Thread Plug Gauge helps you speed up inspections, improve first-pass part qualification, and maintain reliable thread performance across production runs. It provides confident, repeatable results that support efficient workflows and better overall quality control.