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Self-drilling screws have a drill bit at the tip, allowing them to create their own pilot hole as they are driven into the material. Self-tapping screws, on the other hand, require a pre-drilled hole before installation.

The choice between self-drilling and self-tapping screws depends on the material you are working with. Self-drilling screws are more suitable for harder materials like metal, while self-tapping screws are better for softer materials like wood. Consider the material of your project to determine which type of screw is more appropriate.

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Q: What are the differences between self-drilling and self-tapping screws, and which type is more suitable for my project?
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