<h3>Key features</h3><ul> <li>Valuable M3 Screw KitYou will receive 915 pieces of M3 hex socket head cap screws in 9 sizes (M3×4mm, M3×5mm, M3×6mm, M3×8mm, M3×10mm, M3×12mm, M3×16mm, M3×20mm, M3×25mm), along with matching hex nuts, lock washers, and flat washers. This comprehensive set offers enough variety to cover all your needs.</li> <li>High-Quality MaterialsThe hex head screws, nuts, and bolts are made of high-quality stainless steel. This material offers excellent corrosion, rust, and oxidation resistance, and is sturdy enough to ensure long-term use.</li> <li>Easy to UseM3 socket head screws feature a socket head design that enables better torque transmission and more stable performance, and they won’t easily deform or slip during use. Simply insert the screw into a pre-drilled hole and turn it clockwise with the hex wrench.</li> <li>Widely UsedThis M3 screw assortment is suitable for various building and repair projects, including 3D printing, RC car hobbyist applications, small electronics projects, machinery repair, and DIY projects.</li> <li>Organized Storage BoxThis M3 screw kit is packed in a reinforced, labeled box with separate compartments and sturdy latches—preventing screws from scattering or getting lost. The organized storage case keeps everything tidy and easily accessible.</li> </ul><p>Free shipping included. 30-day hassle-free returns.</p>