... Stainless steel,Alloy steel,Copper,Aluminum are available.Carton steel is high quality iron,such as 1022,1018,1010,1008,1015... ... ,Nickel plated,Dacroment Plated,chromium plated,Tin plated,Black phosphating ,anodized ,Parkerising,and Environmental Plated is used in our products,Hexavalent ... be packing as per the Fasteners' size,and it will be Packed for each carton will be 22kg -25kg ,Ordinanry,40 ...