JBO Thread Plug Gauge - UNC Go-No/Go - Right Hand - 3B - No. 12 x 24 ER Mini Collet Chucks Its tapered neck and 2-flute

Its tapered neck and 2-flute configuration deliver steady

supporting high-precision mold and die features

helping you quickly validate parts against exact specifications

preparing joints

Versatile OZ25 interface for easy integration: Designed to pair with standard OZ25 tooling and accessories

JBO Thread Plug Gauge - UNC Go-No/Go - Right Hand - 3B - No. 12 x 24 ER Mini Collet Chucks Its tapered neck and 2-fluteThe JBO Thread Plug Gauge UNC Go No Go, Right Hand, 3B, No. 12 x 24 is a precision inspection tool designed to quickly verify the internal UNC threads in holes and bores. Its built for engineers, machinists, quality inspectors, and maintenance technicians who need reliable, repeatable checks to ensure threads meet Unified standards. With a straightforward go no go design and a right hand UNC configuration, this gauge delivers fast, unambiguous