White wafer head self-drilling screws are commonly used in a range of applications, particularly in metal roofing and siding installations. Their ability to create a secure and weather-tight seal makes them ideal for exterior applications where moisture ingress could lead to structural damage. Additionally, they are often employed in HVAC (heating, ventilation, and air conditioning) installations, where metal framing and ductwork require reliable fastening solutions.

4. Thread Design The threads on Tek screws are designed to bite into materials, facilitating a strong hold without the risk of stripping. This is especially important when working with softer metals or substrates.