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Tek screws are characterized by their unique, cutting-edge tip that allows them to drill into hard substrates without the need for a pre-drilled hole. This feature significantly simplifies the installation process, saving time and reducing the need for additional tools. Commonly made from high-strength steel and often treated to resist corrosion, Tek screws are built to withstand harsh conditions, making them suitable for use both indoors and outdoors.


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Self-drilling screws, as the name implies, eliminate the need for a separate drilling step, as they have a cutting tip designed to pierce through material without requiring a pilot hole. This not only saves time but also reduces the risk of material damage that can occur with traditional drilling methods. The 1 1 4 self-drilling screws refer to a specific size, which typically signifies a 1/4-inch diameter and a 4-thread pitch. The numbers '1' and '20' often represent the diameter in imperial measurements, while '4' indicates the number of threads per inch.

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