• RUGGED AND DURABLE: Hex socket button head screw nuts and bolts kit are made of carbon Steel which has higher corrosion resistance and anti-rust effect not easy to damage, M2 M3 M4 M5 screws are used in machine assembly of removable panels and parts
• PRODUCT SIZE: 580 Pieces bolts and nuts assortment set contains M2 M3 M4 M5 screw nut and bolt and flat washer. The hex cap screw pitch: 0.4 mm, 0.5 mm, 0.7 mm, 0.8 mm; Thread Length: 8 mm, 12 mm, 16 mm, 20 mm; Length is measured from under the head
• PACKAGING AND EASY TO USE: All of the screws and nuts are stored in one storage case for easy carry, Each size of screw is packed separately in a transparent bag to prevent loss or confusion, With labels for easy access
• WIDE RANGE OF USE: Widely used in home and office, Such as 3D printer parts, communication equipment, assembly bike and other machinery industry, It is renowned for its efficient application performance and durability
• Warm tip: The screw was small hard hardware, please let it leave children away, Not suitable for children under 5 years old due to small parts

• Package Dimensions ‏ : ‎ 7.32 x 5.08 x 0.71 inches; 13.58 ounces
• Date First Available ‏ : ‎ October 7, 2023
• Manufacturer ‏ : ‎ NINDEJIN