Nut 1.Standard:GB,ISO,DIN,BSW,ANSI 2.High quality and good price 3.Special nut can be supplied according to your design Square nut: Product nameSquare nutBrand nameHaiyanOrigin placeZhejiangCoatingBlack, Phosphate,Zinc Plated ,HOT GALVANIZED,Cr Cu or Ni Plated ,ect MaterialCarbon Steel,Brass, Stainless steel,Spring steel Standard GB DIN JIS BAW ANSI Non-standard Product sizeAccording to customers ...