Haiyan Brother United Fastener has been supplying quality all kinds fasteners, including nuts, bolts, screws, washers and thread rods and so on. Our products were sold in USA, Europe, Japan and Australia, etc. A lot of shapes and sizes are offered for you, and they are made up of different materials, such as steel, stainless steel and nylon. And we now offer almost standard and non-standard, all in compliance with ANSI, DIN, BS, JIS, IFI and other international standards.