1225 Pcs M2 M3 M4 M5 Hex Button Socket Head Cap Screws Nuts Flat Washers Assortment Kit, Black Alloy Steel Machine Screws, Nuts, Bolts, and Washers Set (1225 Black Cup Head)

Premium Material: A variety of hex bolts, nuts, and washers are made of excellent carbon steel with smooth edges, making them robust, corrosion- and rust-resistant, unbreakable, and durable for extended use.

Easy to Use: The surface of the socket head screws is smooth and free of burrs, the thread is clear and firm, and easy to insert. The compact and uniform thread strength is not easily deformed or slipped during the rolling and installation process.

Easy to store: All hex bolts, nuts, and flat washer sets are packed in a storage box, which is easy to use, find, and transport. Prevent screws from being scattered or lost during use. You can use nuts and washers for more precise installation.

Wide Applications: Suitable for Furniture repair, mechanical instruments, electronic products, household appliances, DIY projects, communication equipment, robots, 3D printing equipment, food processing machinery, petrochemical industry, marine energy installations, architecture, and other fields. Our assortment of metric hex head bolt nuts and washers includes M2, M3, M4, and M5 bolts with matching nuts and washers, a total of approximately 1225 pieces, meeting various needs and providing an essential hand tool for the family.