Premium Quality: Aienxn lock washers and flat washers are made of 304 stainless steel Features: Aienxn Split lock washers and flat washers are not easy to deform, has high strength, corrosion resistance and rust prevention, and can be used for a long time in harsh environments such as high temperature, cold and high humidity areas Wide Application: Flat washers and spring lock washers are designed for electrical connections of household and commercial appliances, automobiles and ships with threaded/bolted connections Size: The spring lock washers and flat washers are M6, total 100pcs,they are packed in a plastic box, easy to store Aienxn spring lock washers and flat washers are highly compatible with screws, nuts and bolts of the same size, and has a solid supporting surface to prevent the nut/bolt head from tearing the material. If you have any questions, please contact us by email and we will reply you within 24 hours Premium Quality: Aienxn lock washers and flat washers are made of 304 stainless steel. Features: Aienxn Split lock washers and flat washers are not easy to deform, has high strength, corrosion resistance and rust prevention, and can be used for a long time in harsh environments such as high temperature, cold and high humidity areas. Aienxn spring lock washers and flat washers are highly compatible with screws, nuts and bolts of the same size, and has a solid supporting surface to prevent the nut/bolt head from tearing the material. If you have any questions, please contact us by email and we will reply you within 24 hours