JBO Thread Ring Gauge (NoGo) - UNF - Right Hand - 2A - 3/8 x 24 ER Mini Collet Chucks helping parts assemble cleanly and

helping parts assemble cleanly and reducing the need for post-process finishing

The long-neck design grants access to deeper features without compromising rigidity

Flute orientation: Left-hand spiral flute with right-hand cutting for efficient chip evacuation and controlled cutting

Carbide Construction for Long Tool Life: Provides wear resistance and durability in high-speed graphite machining

reducing the risk of tool movement during finishing passes and high-speed operations

JBO Thread Ring Gauge (NoGo) - UNF - Right Hand - 2A - 3/8 x 24 ER Mini Collet Chucks helping parts assemble cleanly andThe JBO Thread Ring Gauge (NoGo) is a precision external thread gauge designed for Unified (UNF) right hand threads in the 3 8 x 24 size, class 2A. Its an essential tool for engineers, inspectors, and shop floor crews who need reliable, fast verification of thread fitment on fasteners, fittings, and machined components. The NoGo design provides an immediate, clear indication of non conforming threads, helping you confirm correct engagement and prevent