3/8"-24 TPI, 0.448 to 0.468" OD, 0.375" L, Nitronic 60, 6-7/8-Coils, Diamond Knurled, Free Running, Tanged, Screw Threaded Insert Screw Threaded Insert Type Diamond Knurled, Free Running, Tanged Nominal Diameter 3/8 Inch TPI 24 Thread Series UNF-2A...