Hexgon Head Combination Screws/Bolts with Washers, Low Carbon Steel, Plain, Natural Color Zinc Plated, Customization Welcomed Standard: DIN; ANSI; BS; JIS; GBMaterial: Carbon Steel; Stainless SteelSurface Treatment: Plain; Zinc Plated; Hot Dip Galvanized; Black; Etc.Packing: By Pallet(Packed in 25KG/CTN,36CTNS/ Pallet)