hex 12.9 bolt Carbon steel ,Stainless steel,Alloy steel Size: M3-M36 MOQ: 900 kg Product Namehex 12.9 boltBrand Namesun-alpsStandard ModelDIN ANSI JIS ASTMFINISHBlack,Zinc Plated ,HOT GALVANIZED,Cr Cu or Ni PlatedMaterialCarbon Steel,Brass, Stainless steel,Spring steelMaterial Class4.8 6.0 8.8 12.9gradeProduct sizeM3-M48 1/4"-3"packing listIN carton with palletsDelivery Lead Time30-45days