Self-drilling screws also known as tek screws are designed for convenience and efficiency in various construction and DIY applications. These screws are unlike traditional screws that require pre-drilling pilot holes, self-drilling screws feature a special design that allows them to create their own holes as they are driven into the material. They are available with various head types, including flat heads, pan heads, hex heads, among others and made from materials, including steel & stainless steel. Some self-drilling screws are coated for corrosion resistance allowing them to be used in different environments.