Vermont Gage 301148550, 5/8-20 Un 3B Go / Nogo Taper Lock Plug Set
Features: Class of fit – Work Plug 2B / 3B (Inch) NIST traceable Work plug furnished in ChromePlated Tool Steel, 70/72 Rc Handles custom marked 1 line (up to 25 characters) Inch handles – light blue Certificate of Accuracy included Thread Gage inspect the pitch diameter and the functional thread for both internal and external threaded products
One line of additional marking up to 25 characters .
Thread Gage are marked with nominal size, threads per inch, class of fit and pitch diameter
Thread Gage are supplied with a certificate of Accuracy