The JBO UNJF Go-No/Go Thread Plug Gauge is a precision tool designed to verify internal threads in right-hand UNJF holes. Sized No. 10 x 32 and configured for 3B tolerance, it provides a dependable method to ensure threaded holes meet standard specifications, making it suitable for manufacturing, automotive, and aerospace environments.

The go/no-go design lets you confirm conformance at a glance, allowing quick detection of under- or over-tolerance threads and reducing inspection time on every part.

• Go/No-Go quick conformance: Instantly identifies compliant versus non‑compliant threads, speeding up inspections and reducing guesswork on every part.
• UNJF 3B precision specification: Delivers consistent hole measurements across parts, ensuring reliable checks that align with standardized thread sizes and quality requirements.
• Ergonomic, durable construction: Knurled body and robust ends provide a secure grip and long service life for demanding shop environments.

Using this gauge streamlines thread inspection, enabling you to verify fitment quickly, prevent incorrect assemblies, and maintain high-quality results across production runs.