Screws, Nails, Rivets manufacturer / supplier in China, offering #12 X 1" Modified Truss Head Phillips 410 Stainless Steel Self-Drilling Screws for Sheet, Modified Truss Wafer Phillips Tek Roofing Screws Stainless Steel Self Drilling Screws, #10 #12 X 3/4" 410 Stainless Steel Self Drilling Sheet Metal Screws and so on.