This lot of 12 socket cap head screws is perfect for any metric fastening application. Made of high-grade 8.8 steel, these screws have a yellow zinc finish that protects against rust and corrosion. The screws are 30mm in length with a 12mm screw size and 1.75 thread size. The hex-key drive style ensures easy and secure installation. These screws are ideal for any industrial or DIY project that requires high-quality fasteners.