hex washer head self tapping screw

Butterfly screws, also known as toggle bolts, are a type of fastener that features a pair of wings that fold during installation and expand once they are inside a pre-drilled hole. The design allows for a stronger grip on hollow walls, such as drywall, where regular screws might not provide sufficient anchoring. Butterfly screws are particularly useful for mounting heavier items like televisions, where the risk of falling can be a significant concern.


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Self-drilling screws, as the name suggests, eliminate the need for a pre-drilled hole, saving significant time and effort in construction, manufacturing, and repair projects. The flat head design of these screws is particularly advantageous as it sits flush with the surface, providing a clean and aesthetic finish. This feature makes them ideal for applications where a smooth surface is crucial, such as in furniture making, automotive repairs, or electronics assembly.

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One of the key advantages of white wafer head self-drilling screws is their ease of use. Because they create their own pilot holes, there is no need to pre-drill before installing the screws. This saves time and effort, making them a convenient option for many users. Additionally, the wafer head design of these screws provides a large surface area for driving, which helps to prevent the screw from slipping or stripping during installation.

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