M8/M10/M12/M14/M16 304 stainless steel cylindrical head hexagonal screw cup head hexagonal bolt long screw for Construction & Hardware Projects

These hex socket cap screws are made of high-quality 304 stainless steel, providing excellent corrosion resistance, rust prevention and high strength for long-term indoor and outdoor use. Designed with a cylindrical cup head and internal hex drive, they ensure stable installation, strong clamping force and resistance to loosening under vibration.

 

Available in M8, M10, M12, M14 and M16 sizes, these long threaded bolts feature precise and uniform threads for secure engagement with nuts and tapped holes. They are widely used in industrial machinery, mechanical assembly, construction engineering, furniture production, automotive repair and heavy-duty hardware applications.

 

Each screw is precision-engineered with strict dimensional accuracy, smooth surface and no burrs. Compatible with standard hex keys, they are easy to install and suitable for professional manufacturing, construction sites, equipment maintenance and various DIY projects.