M3 Screw Kit With 1600 Pcs 12.9 Grade Alloy Steel Hex Socket Button And Cap Head Screws Nuts And Washers For 3D Printing DIY Builds Pro Grade Hardware Set

Pro Grade M3 Screw Kit: 1600-Piece Alloy Fasteners
✔️ 280 M3 cap screws, 250 button heads, 535 nuts and washers

This complete M3 screw kit features hex socket cap screws, hex socket button head screws, nuts, and washers in a tidy, durable organizer. Made from 12.9 grade alloy steel with zinc plating for corrosion resistance, it's built to handle frequent 3D printing, robotics, electronics enclosures, and furniture projects.

✅ 1600 total pieces include cap screws, button heads, nuts, and washers
✅ 12.9 grade alloy steel with zinc plating for long-lasting durability
✅ Organized storage box with size chart speeds up build time
✅ M3 screw lengths cover 5/6/8/10/12/16/20/25/30/35 mm
✅ Ideal for 3D printing, laser-cut projects, robotics, and furniture assembly

💡 What is an M3 screw kit used for in 3D printing and DIY builds? A handy, durable hardware bundle that speeds up assembly and keeps parts organized.

• 3D printed parts alignment and fastening
• Robotics jig setup and product centering
• Electronics enclosure mounting and furniture repairs
• Quick parts replacement and prototyping