Features 304 Stainless Steel Material: The nuts and hex socket head cap screws are made of 304 stainless steel, these screws are corrosion and rust resistance, toughness, strong, and wear resistance. 1220Pcs in Set: There are 1220Pcs in the package of different sizes to meet your needs, suitable for long term use. Fine Workmanship: With standard size, these screws have flat appearance, clear thread, and no burrs, not easy to deform and slip, providing the best support in the installation. Easy Carrying: All parts are sorted and packed in a plastic case, convenient for you to take around to help with your work. Wide Application: These 304 stainless steel hex socket screws are widely used in various accuracy machinery, sorting instruments, meters, electronic products, household appliances, communication products, locks, lamps, lamps, toys, etc. Specification: Item Type: Hex Socket Screw Nut Washer Kit Material: 304 Stainless Steel Package List: 50 x M5 Nut 90 x M4 Nut 140 x M3 Nut 140 x M2 Nut 60 x M5 Washer 90 x M4 Washer 140 x M3 Washer 140 x M2 Washer 10 x M5 x 20 Screw 20 x M4 x 20 Screw 30 x M3 x 20 Screw 30 x M2 x 20 Screw 10 x M5 x 16 Screw 20 x M4 x 16 Screw 30 x M3 x 16 Screw 30 x M2 x 16 Screw 15 x M5 x 12 Screw 20 x M4 x 12 Screw 30 x M3 x 12 Screw 30 x M2 x 12 Screw 15 x M5 x 8 Screw 20 x M4 x 8 Screw 30 x M3 x 8 Screw 30 x M2 x 8 Screw 1 x Storage Box Package List 50 x M5 Nut 90 x M4 Nut 140 x M3 Nut 140 x M2 Nut 60 x M5 Washer 90 x M4 Washer 140 x M3 Washer 140 x M2 Washer 10 x M5 x 20 Screw 20 x M4 x 20 Screw 30 x M3 x 20 Screw 30 x M2 x 20 Screw 10 x M5 x 16 Screw 20 x M4 x 16 Screw 30 x M3 x 16 Screw 30 x M2 x 16 Screw 15 x M5 x 12 Screw 20 x M4 x 12 Screw 30 x M3 x 12 Screw 30 x M2 x 12 Screw 15 x M5 x 8 Screw 20 x M4 x 8 Screw 30 x M3 x 8 Screw 30 x M2 x 8 Screw 1 x Storage Box