... 8.8,9.8.. Non Standard Bolts,Non Standard Hardware,USA Bolts And Nuts.1.What’s the specification of our Products ... Plated,chromium plated,Tin plated,Black phosphating ,anodized ,Parkerising,and Environmental Plated is used in our products,Hexavalent chromium are ... such as drywall,concrete,chipboard,machine,wood...2) Main export market:North America,South America,Eastern Europe,Asia,Western Europe ...