M3 Screws are essential fasteners for small-scale mechanical assemblies, widely used in robotics, 3D printers, Arduino enclosures, PCB mounts, and other electronics projects. Available in various lengths and head types (round, flat, hex), these precision screws ensure a secure fit and long-lasting durability. At roboHub, we provide rust-resistant, metric M3 screws suitable for students, engineers, and makers. Whether you're building a drone frame, assembling a robot chassis, or mounting components, these screws are a perfect fit for your project. Available in single units or bulk packs — delivered anywhere in Bangladesh.