'Socket Flat Head Cap Screw, System of Measurement Inch, Flat, Basic Material Steel, Material Grade Alloy Steel, 1/2 In.-20, Length 2 In., Fastener Finish Plain, Fastener Thread Type UNF, Drive Type Hex Socket, Drive Size 5/16 In., Thread Style Fully Threaded, Thread Direction Right Hand, Thread Length 1-1/2 In., Head Height 1/2 In., Thread Dia. 1/2 In., Package Quantity 10'