Key features

• •【Sizes】M4 x 6mm /8mm /12mm /16mm /20mm /25mm /30mm hex socket head cap screws with matching hex nuts, lock washers and flat washers, total 7 sizes, different sizes can meet your different needs.
• •【Material】304 stainless steel, stainless steel material which have good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and excellent oxidation resistance, which can ensure long time using.
• •【Package】350 pieces in total, packed in a durable transparent box with label. It is easy to distinguish the size of the product, when you want to use a certain screw, you don't have to waste time buying it separately, you can choose the suitable one to meet all your needs.
• •【Wide Applications】Widely used in all kinds of precision machinery industry, classified instruments, instruments, electronic products, printed projects, household appliances, communication products, locks, lamps, lights, toys, etc.
• •【Tips】Products contain small parts, keep away from children and prevent inadvertent swallowed. All screws are special sharp with screw thread, please keep away from kids. Whenever you need us, please free to contact us, we will give you a professional service and reply you within 24 hours.