M4*4 12.9 grade hexagonal cylindrical screw

Hex Socket Cap Screw M4×4, Grade 12.9 (50 pcs)

Compact, strong, and ready for precision builds — this M4×4 hex socket cap screw is a great choice for hobby projects, electronics, robotics, 3D printer assemblies, and other DIY applications where reliable fastening matters. Made from high-strength grade 12.9 steel, it offers excellent durability in a small format.

• Thread size: M4
• Length: 4 mm
• Type: Hex socket cap screw
• Material grade: 12.9 steel
• High-strength construction for demanding hobby and technical applications
• Ideal for: DIY projects, RC models, 3D printers, electronics, and workshop use
• Quantity included: 50 pieces

If you need small, durable fasteners for compact assemblies, these M4×4 screws are a practical addition to any maker’s toolkit.

Package includes:

• 50 × M4×4 hex socket cap screws