JBO Thread Plug Gauge - UNC Go-No/Go - Right Hand - 3B - No. 12 x 24 ER Mini Collet Chucks Versatile OZ25 interface for easy

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

2 corner radius supports smoother inside corners and reduces the risk of chipping on delicate profiles

this reamer uses a left-hand spiral flute and right-hand cutting to optimise chip control and finish

supporting high-precision mold and die features

Its tapered neck and 2-flute configuration deliver steady

JBO Thread Plug Gauge - UNC Go-No/Go - Right Hand - 3B - No. 12 x 24 ER Mini Collet Chucks Versatile OZ25 interface for easyThe 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