Introducing our Flat Head Sheetmetal Screw, a versatile fastening solution for various applications. Constructed from durable steel with a zinc coating, it offers exceptional strength and corrosion resistance. Compliant with ASME B18.6.4 specifications, this screw features a 4-40 thread size and a flat head design for a flush finish. The Phillips drive type ensures easy installation, while the Type 23 tip provides efficient cutting and self-drilling capabilities. With a length of .3125 inches, it's perfect for securely fastening sheet metal and other materials. Rest assured, this screw meets high-quality standards and is ready to tackle your fastening needs.