✔In Stock Zinc Socket Cap Screw Zinc plated socket cap screws are a strong, compact fastening solution designed for applications where a clean appearance and high clamping force are required. The internal hex drive allows the screw to be installed in areas where access for a conventional spanner may be limited. The zinc plated finish provides improved corrosion resistance compared with plain steel, making these screws suitable for a wide range of general engineering, machinery, fabrication and maintenance applications. Key Features: High-strength steel construction Zinc plated finish Internal hex (Allen) drive Compact cylindrical head design Provides strong and reliable clamping Suitable for use with compatible nuts or threaded holes Common Applications: Machinery and equipment Engineering and fabrication Automotive applications Metalwork and assembly General maintenance and repairs *The longer cap screws will not be fully threaded, see our metric thread page for a more accurate measurement of thread*