480 Piece M4 Hex Socket Head Screw Kit In 12.9 Grade Black Oxide For Durability And Corrosion Resistance Includes M4 X 6 8 12 16 20 25 30 mm Bolts For 3D Printers And Projects Heavy Duty Alloy Steel Hardware With Solid Threads

M4 Hex Socket Head Bolt Kit, 12.9 Grade Steel, 480 pcs
✔️ 480 pieces: M4 x 6/8/12/16/20/25/30mm screws with nuts

This heavy-duty M4 hex socket screw kit delivers durable fasteners for 3D printers, electronics enclosures, cabinets, and general mechanical projects. Crafted from 12.9 grade alloy steel with a black oxide finish for corrosion resistance and long life, the set includes seven screw lengths plus nuts and washers.

✅ Size: M4, pitch 0.7mm
✅ Lengths included: 6/8/12/16/20/25/30mm
✅ Drive Type: Internal hex socket
✅ Material: 12.9 grade alloy steel
✅ Finish: Black oxide for corrosion resistance
✅ Includes nuts, flat washers, and lock washers
✅ Pack: 480 pieces in labeled storage box

💡 What is an M4 hex socket screw kit typically used for in DIY projects?

It's handy for securing components across small to mid-size builds and repairs.

- Used for 3D printer frames and component mounting
- Electronics enclosures, cabinets, and hobby machinery
- Durable hardware for long-term performance in projects
- Labeled storage box helps quick fastener selection