The JBO Thread Plug Gauge (GO) – Metric Fine – Right Hand – 6G – M48 x 1.5 is a precision inspection tool designed to verify threaded holes in metal parts. It’s ideal for machinists, quality inspectors, and maintenance teams who need fast, reliable go/no-go checks to confirm that internal threads meet the exact M48 x 1.5 specification.

Crafted from hardened steel for exceptional durability, this GO gauge resists wear in demanding shop environments and delivers consistent results across repeated use. Its compact, user-friendly design makes it easy to identify a correctly threaded hole during quality control and assembly tasks.

• Precise GO verification for metric fine M48 x 1.5 threads: quickly confirms proper thread engagement in tapped holes, reducing guesswork and the need for rework.
• Hardened steel construction for long life: stands up to heavy use and repeated insertions, providing dependable performance over time.
• Right-hand 6G tolerance for consistent results: ensures compatibility with standard metric threads and reliable pass/fail indications across production runs.

Using the JBO Thread Plug Gauge (GO) helps you speed up inspections, improve first-pass acceptance, and maintain consistent quality across parts and assemblies. It supports smoother workflows, minimizes downtime, and gives teams confidence that threaded holes meet specification on every part.