... 2. material: steel, 3. finish: zinc non-standard flat head socket rivets with internal thread1.Standards:DIN ,ANSI/ASME,BS,GB,JIS ... /or samples or designed by oursOur products have been exported to many countries,such as United States, Saudi Arabia, Europe, ... wood screws, etc. We can also process non-standardfasteners according to drawing.Since the establishment of Jinrui, an annual production capacity ...