hex nut M3--M64 DIN ANSI JIS stainless steel ,alloy steel Product Namehex nutBrand Namesun-alpsStandard ModelDIN ANSI JIS ASTMFINISHBlack,Zinc Plated ,HOT GALVANIZED,Cr Cu or Ni PlatedMaterialCarbon Steel,Brass, Stainless steel,Spring steel, Alloy steelMaterial Class4.8 6.0 8.8 12.9gradeProduct sizeM3-M64 1/4"-3"packing listIN carton with palletsDelivery Lead Time30-45days hex nut