510 Piece M3 Long Screws Kit With Nuts And Washers Seven Sizes From M3x20 To M3x50 Hex Socket Head Cap Screws Alloy Steel Class 12.9 Black Zinc Plated DIY Friendly Gearhead Approved For RC Robotics Machinery Repairs

510-Piece M3 Long Screws Kit with Nuts and Washers
✔️ Seven M3 sizes: 20,25,30,35,40,45,50mm with nuts & washers

Includes seven M3 hex socket head cap screws in seven lengths (20-50 mm), plus matching nuts and flat washers for easy assembly, repair, and replacement. Ideal for DIY electronics, RC models, robotics, 3D printing, and machinery repairs requiring longer M3 fasteners.

✅ M3 hex socket head cap screws in seven lengths: 20, 25, 30, 35, 40, 45, 50 mm
✅ Includes matching M3 hex nuts and flat washers for complete assemblies
✅ Alloy steel class 12.9 with black zinc plating for high strength and corrosion resistance
✅ Designed for indoor DIY and light outdoor use in electronics, RC, robotics
✅ Pack size: 510 pieces total

💡 What is an M3 long screws kit used for in RC robotics and electronics projects? It's handy for projects needing longer fasteners to reach through thicker assemblies. - Long M3 length range includes 20-50 mm - Includes nuts and flat washers for complete assembly - Made from class 12.9 alloy steel with black zinc plating

✝️