The JBO Thread Plug Gauge is a precision inspection tool designed to verify threaded holes against UNJC standards. This go/no-go gauge is essential for manufacturers, automotive and aerospace shops, and service teams to ensure proper thread quality and reliable fit.

Sized Right Hand, 3B class, No. 10 x 24, it provides fast, repeatable checks that confirm holes will mate with standard fasteners and perform as intended in critical assemblies.

• Go/No-Go design for quick pass/fail checks: instantly identify conforming threads and non-conforming holes, speeding inspections and minimizing guesswork on the shop floor.
• UNJC compatibility for reliable fits: calibrated to Unified thread standards, helping ensure consistent mating with fasteners and fewer rework cycles.
• Durable, ergonomic construction: the knurled body offers secure, comfortable handling during repeated use, supporting long tool life and repeatable measurements.

By delivering clear, decisive results, this gauge streamlines your quality workflow, reduces downtime, and helps you maintain consistent thread quality across production runs.