1/2-13 Socket Head Cap Screw, Plain Stainless Steel, 3-1/2 in Length
01, Flange Diameter 1 1/16 in.Socket Head Cap Screw, Head Type Flanged Standard, System of Measurement Inch, Drive Type Socket, Drive Size 3/8 in, Material Stainless Steel, Material Grade/Class 630, Finish Plain, Thread Size 1/2 In.-13, Minimum Thread Length 3/4 in, Fastener Length 3 1/2 in, Head Height 0.