#4-40 TPI, 0.144 to 0.159" OD, 0.224" L, Nitronic 60, 6-3/4-Coils, Diamond Knurled, Free Running, Tanged, Screw Threaded Insert Screw Threaded Insert Type Diamond Knurled, Free Running, Tanged Nominal Diameter #4 TPI 40 Thread Series UNC-2A External...