The JBO Thread Plug Gauge is a precision UNF go/no-go inspection tool designed for left-hand threaded holes. Sized No. 5 x 44 with a 2B tolerance, it provides reliable checks that align with Unified thread standards.

Ideal for manufacturing, automotive, and aerospace environments, this gauge helps technicians quickly verify thread quality and ensure proper fitment before assembly or maintenance.

• Go/No-Go Quick Verification: The dual-ended design delivers immediate pass/fail checks for thread engagement, speeding inspections and reducing guesswork.
• Left-Hand UNF Compatibility: Specifically engineered for left-hand threads, ensuring accurate measurements and reliable results in reversed-thread applications.
• 2B Class, No. 5 x 44 Size: Precisely sized to match 2B threads at No. 5 x 44, delivering consistent gauging performance across parts and shifts.

With the JBO Thread Plug Gauge, your inspection workflow becomes faster and more dependable. Quick, unambiguous results help prevent incorrect assemblies, minimize downtime, and improve overall quality control across manufacturing, automotive, and aerospace applications.