#4-40 TPI, 0.144 to 0.159" OD, 0.168" L, Matte Black, Primer Free II Coated, Nitronic 60, 4-3/4-Coils, Diamond Knurled, Screw-Locking, Tanged, Screw Threaded Insert Screw Threaded Insert Type Diamond Knurled, Screw-Locking, Tanged Nominal Diameter #4...