M3, M4, M5 Stainless Steel Hex Socket Cap Screw Assortment Set, 440 Pieces, Lock Nuts and Screws Assortment Set with Storage Box

1. Durable and sturdy: High-quality 304 stainless steel offers good corrosion resistance in many environments. 2. Large contact surface: Enough contact surface for secure tightening. 3. Transparent cover for quick access: All screws and nuts are packaged in a sturdy plastic box. The set is sorted by size/type in a transparent storage box for quick access and optimal protection. 4. Applications: Widely used in household appliances and office equipment, communications equipment, shipbuilding and other mechanical engineering industries, furniture, automobiles and motorcycles, maintenance work and DIY projects. Also suitable for securing storage boxes and in industrial and construction projects. Ideal for tight spaces where the head must be flush or below the surface. 5. Technical data: Material: 304 stainless steel, Drive: Hex socket, Head shape: Dome head, Sizes: M3, M4 and M5 (including nuts in M3, M4 and M5).