Description Brand DD Fasteners Standard DIN7996/7997/571 FOB Price $ 0.01~$ 0.08/piece Payment Terms T/T Head Style  Pan/Truss/Flat/Hex Material carbon steel Surface Treatment Yellow Zinc, Zinc Plated,Black oxide Grade 4.8/6.8/8.8/10.9/12.9 Diameter M4/5/6/8 Length 40-300mm Supply ability Supply ability 5000tons/ per month OEM Service Yes Min.Order Quantity 1Ton/ Tons Ppackaging& Delivery Packaging Details Bags/ Boxes / pallet Port Tianjin / Yiwu/ Shanghai Port