General description High quality 304 stainless steel hex head button socket head cable bolts and screws assortment, featuring a total of 1080 pieces. This kit includes various screw sizes (M2, M3, M4) along with nuts and washers, making it an essential hand tool for home use. The stainless steel material is known for its good workability and high toughness, capable of withstanding temperatures up to 800 degrees. Technical specifications Material: 304 stainless steel Density: 7.93 g/cm3 Screw sizes: M2x4, M2x6, M2x8, M2x12, M2x16, M2x20, M3x4, M3x8, M3x12, M3x16, M3x30, M4x6, M4x10, M4x14, M4x18, M4x20, M4x30 Quantity: 1080 pieces total Includes: 20 pieces each of M2, M3, M4 washers and nuts Hex Allen Key sizes: M2 - Diameter: 1.5mm, Length: 16x45mm; M3 - Diameter: 2.5mm, Length: 19x55mm; M4 - Diameter: 3.0mm, Length: 23x57mm Compatibility and accessories Compatible with various applications in electronics, electrical appliances, chemicals, water, machinery, and furniture Includes M2,