JBO Thread Plug Gauge - UNF Go-No/Go - Right Hand - 3B - 1/4 x 28 ER Collet Chucks It excels in mold and

It excels in mold and die machining

improves chip clearance

knurled grip and color-coded ends enable secure handling and fast orientation in busy work environments

or other machinable materials

stub-length construction: Combines hardness and stiffness for long tool life in demanding reaming tasks

JBO Thread Plug Gauge - UNF Go-No/Go - Right Hand - 3B - 1/4 x 28 ER Collet Chucks It excels in mold andThe JBO Thread Plug Gauge is a precision tool designed to verify UNF threaded holes with quick, reliable Go No Go checks. Sized for the UNF 1 4 x 28, Right Hand, 3B internal threads, its ideal for manufacturing, automotive, and aerospace environments where consistent thread quality matters. Its two ended design lets you test both the minimum and maximum limits of your threaded hole, delivering clear pass fail results that keep production moving and