JBO Thread Ring Gauge (NoGo) - UNC - Right Hand - 2A - 7/16 x 14 M&D helping you achieve professional-looking countersinks

helping you achieve professional-looking countersinks with less effort

repeatable results seed for every batch of threaded components

Left-hand spiral flute with right-hand cutting: Supports efficient chip evacuation and predictable cutting action for clean

with reduced tool deflection and consistent results across passes

and assembly professionals who require fast

JBO Thread Ring Gauge (NoGo) - UNC - Right Hand - 2A - 7/16 x 14 M&D helping you achieve professional-looking countersinksThe JBO Thread Ring Gauge (NoGo) UNC, Right Hand, 2A, 7 16 x 14 is a precision tool for verifying external thread diameters. Its built for professional use in manufacturing, automotive, and aerospace environments where consistent thread fit matters. The ring gauge helps ensure components conform to Unified thread standards, supporting fast, reliable quality checks across workshops and production lines. Equipped with a dedicated NoGo element, this