(Multiple sizes): M3*8/12/16/20, M4*8/12/16/20, M5*8/12/16/20, a total of 250. In addition, we offer a total of 250 nuts with corresponding dimensions. (High-quality material): Made of 304 stainless steel, high strength, good rust and corrosion resistance, and long service life. (Precision design): The screw conforms to the standard metric system. The surface of the screw is smooth and burr-free, the thread is clear and tight, easy to insert and not easy to loosen. (Widely used): The hex bolt is a type of hexagonal screw. The main purpose of bolts and nuts is fastening; They are very useful for almost all craftsmen and also for DIY enthusiasts. They are also suitable for various sectors, such as the construction industry. (Classified Storage): All parts are classified and arranged in different grids for easier access and storage, thus avoiding confusion and loss. Features: 500 pieces in 4 sizes, thread diameter: M3 M4 M5, length: 8 mm, 12 mm, 16 mm, 20 mm, nut size: M3 M4 M5. Made of
Availablity: 3-5 days
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