DIN6900 Screws washers assemblies

Screws washers assemblies Standard: ASME/ANSI B18.13;DIN6900;GB9074 Size: M2.5-M12 Material: Carbon Steel, Alloy Steel, Stainless Steel Grade: 4.8, 5.8, 6.8, 8.8, 10.9, 12.9 Thread: M, UNC, UNF Finish: Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G Packing: bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand Application: Structural Steel; Metal Building; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine;