... 8.8,9.8.. Non Standard Bolts,Non Standard Hardware,USA Bolts And Nuts.1.What’s the specification of ... ,Copper,Aluminum are available.Carton steel is high quality iron,such as 1022,1018,1010, ... plated,Tin plated,Black phosphating ,anodized ,Parkerising,and Environmental Plated is used in our products,Hexavalent ... is reasonable for products,it will spend high control force from material till products reach ...