... Fasteners 3. Customer First,Service Fi All kinds of Self Drill Screw • Material: Carbon steel & stainless steel• Head ... sexivalent chromium), nickel plated, oxidation plated, plain finish , Black Oxide • Plating:BlackOxide,Zinc,Chrome,Galvanized,Nickle,Dacromet, ... to 2Specifications:Various shape size according to client’s requirementStandard:ISO, DIN, ANSI, JIS, BS, Non-standardSurface :Galvanized ...