JBO Thread Plug Gauge is a precision Go/No-Go tool designed to quickly verify UNC threaded holes. Sized for 1-1/2 x 6 right-hand threads with a 2B tolerance, it provides a reliable reference for manufacturing, automotive, and aerospace applications.

The compact gauge supports inspectors, machinists, and assembly teams by delivering clear pass/fail results, helping ensure proper fitment and fast throughput.

• Go/No-Go quick-check design: enables fast pass/fail decisions on threaded holes, reducing inspection time and minimizing handling.
• UNC 1-1/2 x 6 with 2B tolerance: ensures compatibility with standard holes and delivers consistent measurements across parts, supporting reliable quality control.
• Rugged, ergonomic construction: knurled grip and durable finish provide secure handling and long tool life in busy shop environments, even when wearing gloves.

In use, the JBO Thread Plug Gauge streamlines your inspection workflow by turning thread verification into a quick, objective step. It helps prevent misfits and rework, speeds setup for new parts, and supports repeatable results across shifts and teams. Rely on its precise sizing and durable build to deliver dependable measurements you can trust for critical assemblies.