Socket Head Cap Screw, System of Measurement Inch, Button, Basic Material Steel, Material Grade Alloy Steel, 1/4 In.-20, Length 3/4 In., Fastener Finish Black Oxide, Fastener Thread Type UNC (Coarse), Drive Type Hex Socket, Drive Size 5/32 In., Thread Style Fully Threaded, Thread Direction Right Hand, Thread Length 3/4 In., Head Height 0.132 In., Thread Dia. 1/4 In., Package Quantity 100