China Carbon Steel Zinc special Hex Nuts for Type screws and lock round screws and nuts

1. Available Standard: DIN, ANSI, ASTM, JIS, BSW2. Strength: Grade 4.8,Grade 8.8,Grade10.9,Grade12.9 A2-70, A4-70, A4-803. Finishing: Yellow, blue, white zinc plated, Galvanized,HDG4. Available material: Carbon steel, stainelss steel SS304, A2 ,Stainless steel SS314,A4.5. Size: M2-M100, Length: 5-300mm, Moq: 500pcs,6. Port: Tianjin;7. Available Packing: Plastic bags+Chipboard Cartons+Plywood pallet with Belt &Film.