HELIFOUNER 500 Pieces M3 Flat Washers, Black Zinc Plated Steel, Inner Diameter 3mm, Outer Diameter 7mm, Thickness 0.5mm, Fender Washers, Metal Washers for Screws Bolts

【Sizes】M3 flat washers, inner diameter 3mm, outer diameter 7mm, thickness 0.5mm, total 500 pieces M3 commonly used black washers, enough quantities can satisfy your long time using. 【Design】Flat washers, fender washers, metal washers are designed for electrical connections on household and commercial appliances, uses in which has a threaded/bolt-type connection. 【Material】Black zinc plated steel, 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 Included】500 pieces M3 black washers in total, , enough quantities can satisfy your long time using. It is easy to distinguish the size of the product, you can choose the suitable one to meet your different needs. 【Wide Applications】Highly compatible with screws, nuts and bolts of same sizes and feature solid bearing surface to prevent nut/bolt head from tearing through material. Designed to spread the load of a screwed fastening and prevent loosening in industrial, shop, decks and fence building, automotive and home appliances.