About this item 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 Overview Size: 580Pcs M2-M5 8mm-20mm Color: Black Material: Carbon Steel Brand: NINDEJIN Fastener Type: Socket Head
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