The JBO UNF Go/No-Go Thread Plug Gauge is a precision inspection tool designed to verify threaded holes against Unified thread standards. In right-hand UNF threads and class 3B, the No. 0 x 80 gauge enables quick Go/No-Go checks to confirm proper fit and reliable performance. It’s ideal for manufacturing, automotive, and aerospace environments where fast, confident quality checks are essential.

• Go/No-Go quick conformance checks: Quickly determine if the thread hole meets spec by testing both Go and No-Go limits, speeding inspections and reducing rework.
• UNF right-hand threads with 3B tolerance: Provides reliable hole verification that matches common fastener standards for consistent fit across parts.
• Durable, ergonomic construction: Knurled grip and robust design enable precise handling and long service life in busy workshops and on the production floor.

Using the JBO Thread Plug Gauge translates to faster inspection cycles, fewer production bottlenecks, and more consistent assemblies. By confirming thread conformance at the point of manufacture, teams reduce guesswork, minimize rework, and protect downstream performance across assemblies and equipment.