Metal SS304/316 Stainless Steel Hexagon Self Drilling Screw with EPDM Washers Roofing Screw Taizhou Risco Stainless Steel Products Co., Ltd. Material:Stainless SteelType:Hexagon HeadGroove:CrossConnection:Common ScrewHead Style:HexagonalStandard:DIN, GB, ANSI, BSW, JIS, GOST Base Info Grade:304 316Transport Package:Cartons and PalletsProduction Capacity:100tons Per Week Description Overview Product Description Name: SELF-DRILING TAPPING ScrewDetailed PhotosCompany ProfileFAQ Pre:DIN965 304 316 Stainless Steel Metric Phillips Cross Recessed Countersunk Head Machine Screws Next:Drywall Screw with Self Drilling