Socket Head Cap Screw, System of Measurement Inch, Cylindrical, Basic Material Steel, Material Grade Alloy Steel, 3/8 In.-24, Length 3 In., Fastener Finish Black Oxide, Fastener Thread Type UNF (Fine), Drive Type Hex Socket, Drive Size 5/16 In., Thread Style Partially Threaded, Thread Direction Right Hand, Thread Length 1-1/4 In., Head Height 3/8 In., Thread Dia. 3/8 In., Package Quantity 50