countersunk self drilling metal screws

When it comes to construction and woodworking projects, having the right tools and fasteners is crucial. One versatile and commonly used fastener in these industries is the 40mm Tek screw. Tek screws are self-drilling screws with a drill bit-shaped point that eliminates the need for pre-drilling a hole before driving the screw in. This feature makes them efficient and time-saving, especially when working with metal, wood, or plastic materials.

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A wafer head screw, as the name suggests, has a flat, thin, and circular head, resembling a wafer. The head is usually larger than the screw's body, providing a broad bearing surface that distributes the load evenly and reduces the chances of damage to the material being fastened. The self-tapping attribute refers to the screw's ability to cut its way through the material it is inserted into, forming threads as it goes, hence the term self-tapping.

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