What are the differences between self-drilling and self-tapping screws, and which type is more suitable for a specific application?

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 they can be inserted.

Self-drilling screws are more suitable for applications where speed and efficiency are important, as they eliminate the need for a separate drilling step. Self-tapping screws are better for applications where precision and control over the hole size are necessary.