Anti-corrosion different sizes hex bolts

The German standard 934 Nuts of our factory can be made into M20 at present, and the smallest starts from M6. After the production of Hex bolts, they are anti-corrosion, anti-fatigue, not easy to rust, and the tensile strength can reach 700~800 tensile strength. Wider range of applications in general industry, heavy industry and retail. The price is more favorable, there is a discount for the order quantity of 5000 pieces, the minimum order quantity is 10 pieces. Nuts and bolts in our factory...