All In One M4 Screw Kit 220Pcs Set With M4 X 30/35/40/45/50mm Hex Socket Head Cap Screws Bolts Nuts Washers Black Oxide 12.9 Grade Alloy Steel For 3D Printer Projects

M4 Screw Kit 220Pcs for 3D Printers - Black Oxide 12.9
✔️ 220-piece M4 screw kit with 5 lengths: 30, 35, 40, 45, 50mm

This all-in-one M4 screw kit provides fasteners and hardware for 3D printer builds and electronics projects. It's ideal for hobbyists and workshops where quick assembly and reliable hardware matter.

✅ 220 pieces include M4 screws, nuts, washers, and hex wrench
✅ 5 screw lengths: 30/35/40/45/50 mm; thread Ø 4 mm
✅ 12.9 grade alloy steel with black oxide finish for high hardness and rust resistance
✅ Lock washers, flat washers, nuts, and hex wrench included for easy assembly

💡 What is this M4 screw kit typically used for in hobbyist and light engineering projects?

This handy set helps with general assembly and quick upgrades in small machines.

• Ideal for 3D printers, electronics enclosures, and small robotics builds
• Includes multiple lengths and washers for flexible mounting
• Black oxide finish provides corrosion resistance in workshop conditions
• All-in-one kit with hex wrench speeds setup and repairs