#6-20; BSD; 1 INCH LENGTH; STEEL MATERIAL; HEX WASHER HEAD; HEX DRIVE; #1 DRILL POINT SIZE; FINISH ZINC PLATED; BIT SIZE 1/4 INCH; HEAD SIZE 0.247 INCH W X 0.087 INCH H; HEAD COLOR SILVER; PACKAGING QUANTITY 100 PER BOX/500 PER STANDARD PACK