1. Combined scews with washers; 2. Various sizes and head drives; 3. Widely used in appliances; 4. Best quality and price. Combined screw:Item name: combined screw;Material: stainless steel,iron,carbon steel,aluminum,brass,copper,etc; Surface Treatment: natural,zinc plated,chorme plated,tin plated,nickel plated,brass plated;Standard: JIS,BS,BA,GB,ISO,DIN,ISO,AISI;Size: all sizes;Brand Name: ...