Set Screws, Nuts & Washers - BZP Made from bright zinc plated machine and tempered low carbon steel , and rust and corrosion resistant. Contents: Screws: M4x12 x10, M4x20 x10, M5x16 x10, M5x25 x10, M6x20 x10, M6x30 x10, M8x25 x5, M8x40 x5, M10x16 x5, M10x40 x5. Nuts: M4 x 20, M5 x 20, M6 x 20, M8 x 10, M10 x10. Washers: M4 x 20, M5 x 20, M6 x 20, M8 x 10, M10 x10.