JBO Thread Plug Gauge (Go/NoGo) - NPTF - Right Hand - 1/4 x 18

The JBO Thread Plug Gauge (Go/NoGo) for NPTF, Right Hand, 1/4 x 18 is a precision inspection tool designed to verify threaded holes quickly and reliably. Ideal for manufacturing floors, automotive shops, aerospace facilities, and hobbyist workshops, it helps ensure threads are sized correctly and meet specification through straightforward go/no-go checks.

Using its precise dimensions, the gauge makes it easy to inspect threaded holes and verify compliance with Unified thread standards and specifications. The go/no-go design delivers a clear pass or fail, enabling fast decisions on part quality and helping prevent misfits in assemblies.

• Go/No-Go design for fast conformance checks: Provides instant pass/fail results so you can validate threads in seconds, reducing inspection time and downstream rework.
• NPTF Right-Hand 1/4 x 18 thread size for reliable fit: Precisely matched to the specified thread form, ensuring accurate verification that parts will assemble correctly in real-world applications.
• Durable, ergonomic knurled body: Built for tough shop use with a secure grip, even with gloves, delivering consistent performance over time.

This gauge helps streamline threaded-hole inspection, supporting faster workflows, fewer production delays, and consistently reliable results across engineering, quality control, and assembly tasks. Its sturdy construction and easy handling empower professionals and enthusiasts alike to inspect with confidence and keep projects moving smoothly.