The JBO Thread Plug Gauge is a UNJC go-no/go gauge designed for right-hand threads, 3B tolerance, in the No. 8 x 32 size. Built for professionals who inspect threaded components, it provides precise, repeatable checks to verify hole readiness and thread compatibility.

Ideal for manufacturing, automotive, and aerospace environments, this gauge quickly confirms whether a threaded hole matches Unified thread standards. The go/no-go design delivers clear pass/fail results, helping you maintain quality and minimize rework or downtime.

• Go/No-Go quick verification: Instantly determine if threads comply with tolerance, speeding inspections and reducing guesswork in production QC.
• UNJC No. 8 x 32, 3B standard compatibility: Precisely sized to UNJC threads No. 8 x 32 with 3B tolerance, ensuring reliable hole-size checks for standard components.
• Ergonomic, right-hand design with knurled grip: Easy handling in busy shops, with a secure, textured grip that staysFirm during repeated use.

Equip your inspection toolkit with the JBO Thread Plug Gauge to streamline threaded-hole checks, promote consistent results across parts, and keep your production workflow moving smoothly.