(Socket Head Screw) SHS M3x40 BLACK

Upgrade your mechanical assemblies with our high-strength M3x40 Socket Head Cap Screw. Engineered for precision and durability, this fastener is crafted from premium alloy steel with a 12.9 strength class, ensuring it can withstand demanding industrial and DIY automation applications. The sleek black oxide finish provides a professional look while offering enhanced resistance to corrosion, making it an ideal choice for 3D printers, robotics, and custom machinery projects. Featuring a standard hex (Allen) drive, this screw allows for high-torque tightening without the risk of cam-out, ensuring a secure and reliable connection every time. The M3 thread diameter with a 0.5 pitch is designed for a perfect fit in standard tapped holes, while the 40mm length provides the reach needed for complex builds. Whether you are a professional engineer or a hobbyist builder, these socket head screws offer the consistency and performance required for high-precision hardware. Key specifications include a 5.5mm head diameter, 3.0mm head height, and a 2.5mm hex drive size, all manufactured to ISO 4762/DIN 912 standards. Trust in the quality of our alloy steel fasteners to keep your projects running smoothly and securely. Add these essential components to your toolkit today for reliable, long-lasting performance in any mechanical environment.