4. Load Distribution The wide, flat head of the 13mm wafer screw ensures effective load distribution, helping to prevent damage to the surfaces being fastened. This feature is particularly important in applications where aesthetic finish is crucial.

1. Self-Drilling Tek Screws These screws come with a drill point that allows them to penetrate and create their own pilot hole in concrete and masonry. They are ideal for fastening materials like metal, wood, or plastics to concrete surfaces.

2. Versatility Hex head self-drilling screws are designed for use in a variety of materials, making them highly versatile. They are commonly used in metal roofing, siding, and other metal-to-metal applications, as well as in wood and plastic. Their ability to fasten dissimilar materials together makes them ideal for a wide range of projects, from residential to commercial construction.