JBO Thread Plug Gauge (NoGo) for Electrical Conduit is a precision inspection tool designed to verify the integrity of threaded holes and fittings with a right-hand M63 x 1.5 thread. Built for professionals across manufacturing, automotive, aerospace, and electrical trades, it helps ensure components mate correctly and consistently with standard thread specifications.

Whether you’re setting up a new production line, performing routine maintenance, or conducting on-site repairs, this NoGo gauge delivers fast, reliable pass/fail feedback. Its compact design makes it easy to carry in a tool kit, and the precise dimensions support repeatable inspections across batches and vendors.

• NoGo Quick-Check Design: Quickly identify non-conforming threads—if the gauge won’t seat within tolerance, you know the part needs rework, reducing guesswork and downtime.
• Ergonomic, Durable Construction: Knurled, grip-friendly body and robust construction stand up to daily shop use, even with gloves on, providing consistent handling and long life.
• Precision, Standard-Conforming Dimensions: Manufactured to the exact M63 x 1.5 right-hand specification with 7H tolerance, ensuring reliable, interchangeable measurements with other gauges and tools.

This gauge helps you streamline quality control, accelerate assembly, and improve overall reliability of threaded connections in conduit applications. By delivering clear, objective results at the point of inspection, it supports better decisions, reduces rework, and enhances confidence across your team and supply chain.