Kerr Lakeside 31C250KCS

Standard Socket Head Cap Screw, Head Type Standard, System of Measurement Inch, Drive Type Socket, Drive Size 1/4 in, Material Alloy Steel, Material Grade/Class Grade 8, Finish Black Oxide, Thread Size 5/16 In.-18, Minimum Thread Length 1 5/8 in, Fastener Length 2 1/2 in, Head Height 0.312 in, Head Diameter 0.469 in, Pack Size Small Pack, Thread Style Partially Threaded, Special Features Not Applicable, Countersink Angle Not Applicable, Dimensional Standards ANSI B 18.3