offers a comprehensive selection of industrial automotive and construction fasteners Our parts are of high quality at low prices Products are guaranteed to meet the specifications to which they are manufactured Specifications allow for tolerances in dimension and shape which can vary from lot to lot Features . 400 Piece Specifications . Fastener Type Hex Cap Screw. Size 1 2 20 x 1 FT . Diameter Nominal Size 1 2 . Length 1 . Material Stainless Steel 316. Finish Plain Finish No Plating . Thread Pitch 20. Thread Pitch Type Fine. Thread Direction Right. Head Type Hex. Drive Type External Hex. Thread Coverage Full Threaded. Weight 36 88 lbs