The JBO Thread Plug Gauge (Go/NoGo) for NPTF in a right-hand configuration, sized at 1 1/2 x 11.5, is a precision inspection tool designed to quickly verify threaded holes and fasteners. It’s ideal for professionals across manufacturing, automotive, and aerospace environments who need reliable thread acceptance checks—without guesswork.

Its Go/No-Go design delivers fast, clear pass/fail results, helping inspectors and technicians confirm threads meet the required standards and reducing downtime caused by ambiguous inspections.

• Go/No-Go Design for Quick Conformance Checks: Instantly distinguish conforming from non-conforming threads, speeding inspections and minimizing rework.
• Exact 1 1/2 x 11.5 NPTF Right-Hand Threads: Precise dimensions align with Unified thread standards, enabling accurate acceptance or rejection of threaded holes.
• Knurled Body for Secure Handling: Textured exterior provides a firm grip and easy manipulation during setup and testing for efficient inspections.

Designed to integrate smoothly into quality-control workflows, this gauge helps you verify threading accuracy early in production, speeding assembly, reducing scrap, and delivering consistent results across parts and batches. The go/no-go action supports reliable, rapid decisions, helping teams stay on schedule and uphold threading standards.