JBO Thread Plug Gauge - UNC Go-No/Go - Right Hand - 3B - No. 12 x 24 ER Mini Collet Chucks this reamer uses a left-hand

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

this end mill helps you achieve consistent edge quality and accurate radii on mold and die components

Material and coating: HSS-E (high-speed steel with cobalt) with TiAlN coating for improved wear resistance and heat tolerance

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

Designed for standard-length reaming and manufactured to BS 328/4

JBO Thread Plug Gauge - UNC Go-No/Go - Right Hand - 3B - No. 12 x 24 ER Mini Collet Chucks this reamer uses a left-handThe 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