Button Socket Head Cap Screw, Head Type Button, System of Measurement Inch, Drive Type Socket, Drive Size 5/16 in, Material Alloy Steel, Material Grade/Class Grade 8, Finish Black Oxide, Thread Size 1/2 In.-13, Minimum Thread Length 1 in, Fastener Length 1 in, Head Height 0.265 in, Head Diameter 0.875 in, Pack Size Small Pack, Thread Style Fully Threaded, Special Features Not Applicable, Countersink Angle Not Applicable, Dimensional Standards ANSI B 18.3, Flange Diameter Not Applicable








