676PCS M2 Screws Assortment Kit, M2x4/6/8/10/12/16/20/25mm Button Head Hex Socket Bolts, Nuts & Washers Assorted Set - 10.9 Alloy Steel Black Screw or 3D Printers, RC Models, and DIY Repairs

1. Aircraft-Grade Strength – 10.9 Alloy Steel, Built to Last: Engineered from premium 10.9 grade alloy steel, these M2 screws are heat‑treated to deliver exceptional tensile strength and hardness. Unlike standard cheap screws that snap under pressure, our screws withstand high torque and vibration without breaking. Whether you're securing critical components in a racing drone or repairing a laptop hinge, you can trust these screws to hold tight – break‑resistant and durable for the toughest jobs. 2. Rust‑Proof Black Oxide Finish – Long‑Lasting Corrosion Protection: Say goodbye to rust and corrosion! Each screw features a uniform black oxide coating that provides excellent resistance against moisture, oils, and chemicals. This finish not only gives a sleek professional look but also ensures your screws remain rust‑free even in humid environments or frequent handling. Perfect for electronics and outdoor gear where reliability matters most. 3. Precision Threads & Perfect Fit – No Stripping, No Wobble： Our M2 screws are manufactured with ultra‑precise rolled threads that guarantee smooth engagement with nuts and tapped holes. The button head design offers a low profile and a clean appearance, while the deep hex socket provides a secure grip for the included wrench, minimizing cam‑out and preventing stripped heads. Every screw, nut, and washer is consistently sized for a snug, wobble‑free fit. 4. All‑in‑One Complete Set – 676 Pieces with 8 Lengths + Nuts, Washers & Tool：Stop hunting for missing fasteners! This comprehensive kit includes 8 popular M2 lengths (from 4mm to 25mm), plus 225 flat washers, 225 hex nuts, and a free hex wrench. Packed in a sturdy, compartmented case, everything stays organized and ready to use. Whether you're a hobbyist, repair technician, or DIY enthusiast, you'll have the right screw for any small‑scale project. 5. Versatile Applications – From RC to Laptop Repair, We've Got You Covered： Designed for precision tasks, this M2 screw set is ideal for: RC Models & Drones – Secure motors, frames, and electronics. Laptop & Tablet Repair – Replace hinge screws, chassis fasteners. 3D Printers – Assemble extruders, hotends, and linear bearings. Glasses & Sunglasses – Tiny hinge screws for eyewear. Cameras & Gimbals – Stabilizer assembly and accessory mounting. Precision Instruments – Microscopes, lab equipment, and more