820 Pcs M2 M3 M4 Screws Set, Countersunk Bolts and Nuts Sets, Countersunk Nuts and Bolts Set with Washers, Flat Head Machine Screws Assorted, Hex Socket Head Cap Screw Assortment Kit + Wrench

• 1. COMPLETE 820-PCS METRIC SCREW KIT w/ NUTS & WASHERS — This massive 304 stainless steel screw assortment includes M2, M3, and M4 flat head socket cap screws in multiple lengths, plus matching M2 M3 M4 nuts, flat washers, and spring washers. Everything you need for electronics repair, drone building, 3D printer maintenance, and precision DIY projects – all in one organized set.
• 2. RUST-PROOF 304 STAINLESS STEEL FOR DURABILITY — Made with high-quality 304 stainless steel, these metric machine screws offer superior corrosion resistance and won't rust or degrade, even in humid environments. Perfect for RC models, marine applications, and outdoor projects where reliability is critical.
• 3. FLAT HEAD HEX DRIVE DESIGN FOR FLUSH INSTALLATION — Features socket head cap screws with a low-profile flat head that sits perfectly flush with surfaces. The internal hex drive provides maximum torque transfer and prevents stripping – ideal for precision engineering, carbon fiber assemblies, and tight spaces.
• 4. SUPER-ORGANIZED STORAGE CASE & HEX KEYS INCLUDED — Comes in a heavy-duty compartmentalized case with labeled sections for easy identification. Includes 3 hex key wrenches (1.5mm, 2mm, 2.5mm) – making this the ultimate organized screw kit for home workshops and professional technicians.
• 5.SAVE TIME & MONEY ON PRECISION FASTENERS — Stop wasting time searching for specialized metric screws! This complete hardware kit provides lifetime access to hard-to-find small screws – the perfect screw assortment for electronics, drone enthusiasts, and engineers.

🔧 The Go-To Metric Screw Kit for Precision Applications! Whether you're assembling a drone, repairing a laptop, building a 3D printer, or working on any delicate mechanical project, this 820-piece metric screw assortment kit provides all the fasteners you need in one convenient package. Specifications: - Quality: 820 Pieces - Weight: 370g - Material: 304 Stainless Steel -Head Shape: Hex Flat Head - Sizes: M2, M3, M4 & Screws, Nuts, Flat Washers, Spring Washers 📦 What’s Included: Screws: - 15pcs M2 X 4mm - 15pcs M2 X 6mm - 15pcs M2 X 8mm - 10pcs M2 X 12mm - 10pcs M2 X 16mm - 5pcs M2 X 20mm - 15pcs M3 X 4mm - 15pcs M3 X 8mm - 15pcs M3 X 12mm - 10pcs M3 X 16mm - 10pcs M3 X 20mm - 5pcs M4 X 6mm - 5pcs M4 X 10mm - 5pcs M4 X 14mm - 5pcs M4 X 18mm - 5pcs M4 X 20mm Nuts and Washers: - 70pcs M2 Nuts - 100pcs M2 Washers - 100pcs M2 Spring Washers - 70pcs M3 Nuts - 110pcs M3 Washers - 110pcs M3 Spring Washers - 30pcs M4 Nuts - 30pcs M4 Washers - 30pcs M4 Spring Washers - 3pcs Wrenchs - 1pcs Storage Box 1-Year Manufacturer's Warranty and 30 days no-questions-asked return policy ⭐ Key Features: High-Quality Material: 304 stainless steel ensures long-lasting performance without rust or corrosion. Wide Compatibility: Perfect for electronics, drones, RC models, 3D printers, watches, eyeglasses, and other precision instruments. Organized Storage: The labeled case keeps every component neatly sorted and easily accessible. User-Friendly: Hex socket design allows for higher torque and cleaner installation. 🔧 Applications: Electronics & Circuit Board Repair Drone & RC Model Assembly 3D Printer & CNC Machine Maintenance Watch & Eyeglass Repair Precision Engineering & Model Building ✅ Satisfaction Guarantee: We stand behind the quality of our products. If you have any issues, contact our customer support for a quick solution.