Fastener, Hex Bolt, Foundation Bolt manufacturer / supplier in China, offering Factory Stock Metric M5 M6 M8 M10 Steel Furniture Threaded D Insert Nut for Wood, Wholesale Carbon Steel M3 M4 M6 M7 M8 M10 M12 Lock Flange Nuts Hex Nut with Rotating Flange Nut Washer, DIN 6921 Grade 4.8/8.8 Zinc Coated Serrated Flange Bolt ISO4162/En1665 Hex Flange Screws and so on.