M4*45 12.9 grade hexagonal cylindrical screw

Hex Socket Head Cap Screw M4×45, Grade 12.9

Looking for durable, high-strength fasteners for DIY builds, hobby projects, RC models, 3D printer upgrades, or workshop use? This M4×45 hex socket head cap screw in grade 12.9 steel is a solid choice wherever a strong and reliable connection matters.

Thanks to its 4 mm thread diameter and 45 mm length, this screw is well suited for precise assemblies that need strength, stability, and a clean fit. The hex socket drive makes installation quick and convenient with standard Allen keys.

• Thread size: M4
• Length: 45 mm
• Material grade: 12.9 steel
• Head type: Hex socket head cap screw
• Application: Ideal for hobby, DIY, workshop, mechanical, and model-building projects
• Easy assembly: Designed for use with standard hex/Allen tools

Package includes:

• 50 pcs × M4×45 hex socket head cap screws