Black & Silver Hex Socket Head Screws Bolts Nuts and Flat Washer Assortment Kit(

【SIZES】--- M2 M3 M4 M5 Series screw nut and bolt and flat washer. Each series has 4 lengths of screw bolts with the standardized metric system. Nuts and flat washers expand the contact area and reduce stress to protect screws and parts. Tight and uniform screw threads are not easy to deform and slide during rolling and installation. 【DURABLE MATERIAL】--- Constructed from premium 304 stainless steel, it provides strength in many environments and provides good corrosion resistance. It has excellent rust resistance and fine workmanship, making it ideal for long-term indoor and outdoor use. 【WIDE APPLICATIONS】--- M2 M3 M4 M5 Hex Flat Head Screws Washers and Nuts Assortment Kit, These screws can be widely used in various precision machinery, classification instruments, instruments, electronic products, household appliances, communication products, locks, lamps, lamps, toys, etc. 【PACKAGE】--- All the screws, bolts and nuts are packed in a small bag to avoid the screws being scattered or