1/4-20 x 2-1/2x22 Socket Cap Screw - Steel - Black Oxide - UNC - Pkg of 100 - USA - Holo-Krome 72112 UQT2_J3VKY89

Ideal for precision work with close tolerances and applications needing a well tooled appearance. Socket Head Cap screws supply greater tensile strength than equivalent Hex Head Caps screws, while requiring less surface area to counterbore. Thermal Black Oxide finish features a standard heat treatment finish which includes light drying oil; Chemical Black Oxide is a chemical treatment plus rust resistant with no drying oil.