DIN557 DIN56 Square Nuts

Square Nuts Standard: ASME/ANSI B18.2.2;DIN557;DIN562;GB39 Size: 1/4”-1-1/2”,M6-M42 Material: Carbon Steel, Alloy Steel, Stainless Steel, Brass Grade: SAE J995 Gr.2; A563 Gr. A;Class 4,5,6,8 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