JBO Thread Plug Gauge - UNF Go-No/Go - Right Hand - 2B - 5/8 x 18 G long-lasting performance that helps you

long-lasting performance that helps you maintain consistent results from prototype to production runs

Coated carbide for wear resistance and long tool life: Durable W coating and carbide core preserve sharpness

ISO H5 hole finishes

Stock note: In-stock designation refers to blanks available to ready-manufacture the reamer

The corner-radius geometry supports smoother surfaces and minimizes edge chipping on delicate graphite workpieces

JBO Thread Plug Gauge - UNF Go-No/Go - Right Hand - 2B - 5/8 x 18 G long-lasting performance that helps youThe JBO Thread Plug Gauge is a precision Go No Go tool designed for quick, reliable verification of UNF threaded holes. Its ideal for manufacturers, automotive shops, and aerospace maintenance teams who need to confirm thread compliance before assembly, reducing the risk of misfits and costly rework. This right hand gauge is sized for 5 8 x 18 UNF holes and features a 2B internal tolerance, providing clear pass fail results that streamline inspections