Specifications Self tapping screw C1022a fine thread Bright neat body without burr Galvanized , tianjin factory Premium quality hex head self tapping screw Product feature Material : c1022a , carbon steel 22a Drive : phillips drive , #2 phillips , without Head :hex head , hex flange head , Washer : steel with rubber washer , epdm washer , pvc washer Head diameter : 14mm , 12mm Thread : coarse thread , fine thread , full thread , half thread Point : sharp tip , needle point Finish : galvanized : white , bule-white , gold Phosphate : black and gray Nickel plating Surface treatment : bright neat body without burr . Packing : box packing : 1000pcs per color box , 20 boxes per carton , different sizes different quantity in per box Loose packing : 25kg 50kg per carton or per bag Hot selling in market : 5.5x25 mm, 4.8x25 mm , 6.3x25mm Size : 4.8x19, 4.8x25 , 4.8x32, 4.8x38, 4.8x50mm 5.5x19 , 5.5x25 , 5.5x35, 5.5x45, 5.5x55 , 5.5x68, 5.5x75mm 6.3x20 , 6.3x25 , 6.3x35 , 6.3x45, 6.5x50 , 6.3x75mm .... Standard exported packing 1000pcs/box , 20boxes/carton , with or without wood pallet in bulk packing , 25kg or 50kg per carton or per bag