Socket Flat Head Cap Screw, System of Measurement Inch, Flat, Basic Material Steel, Material Grade Alloy Steel, #4-40, Length 7/8 in, Fastener Finish Black Oxide, Fastener Thread Type UNC (Coarse), Drive Type Hex Socket, Drive Size 1/16 in, Thread Style Partially Threaded, Thread Direction Right Hand, Min. Thread Length 3/4 in, Thread Length 3/4 In., Head Height 0.0938 in, Thread Dia. #4, Head Angle (Deg.) 82, Package Quantity 100