Socket Head Cap Screws | Alloy Steel | Black Oxide | Thread Diameter: #4-40 x Length: 1 3/8 (Carton Size: 100) Coarse Thread | Partially Threaded

Thread Size: #4 x Thread Pitch: 40 Length of Screw: 1 3/8 Measured from under head to tip of screw Material: Alloy Steel with a Thermal Black Oxide Finish