... :ASTM, JIS, BS, AS, ISO, GB, Nonstandard bolt Injection Stainless Steel screws and fasteners model number M6-13 Brand NamePhoriaOriginal of PlaceSuzhou ... size, quantity, Material or Grade, surface. If it is special and Non-standard products, please supply the Drawing or Photos or ... company is specialize in producing various kinds of special screws. Injection Stainless Steel screws and Fasteners