The JBO Thread Plug Gauge is a precision UNC Go-No-Go tool designed to verify threaded holes to Unified standards. It enables quick, reliable pass/fail checks on parts across manufacturing, automotive, and aerospace environments.

Designed for right-hand UNC threads and sized No. 1 x 64 (2B class), this gauge delivers consistent, trustworthy measurements for every inspection.

• Quick Go/No-Go Validation: Speed up inspections with clear pass/fail cues that help you decide if a hole will accept a fastener, reducing downtime and rework.
• Durable, Knurled Construction: Built for frequent use with a corrosion-resistant body and textured grip, delivering reliable handling and lasting accuracy in busy shops.
• Precisely Sized for 2B No. 1 x 64 UNC: Exact No. 1 x 64 size in 2B class ensures repeatable checks that align with Unified thread standards across parts and suppliers.

This Go-No-Go thread gauge helps you speed up quality control, minimize guesswork, and ensure that threaded components assemble correctly the first time. Its rugged design and precise sizing support consistent, repeatable results, boosting productivity and reducing scrap in manufacturing, automotive, and aerospace environments.