Mastering the ins & outs of how to use Self-Drilling Screws
People often confuse self-drilling screws for self-tapping screws. Self-tapping screws/fasteners tap their own threads, but cannot drill through hard objects like metals. Self-tapping screws require a pilot hole for proper installation, but self-drilling screws, the other hand, don’t require any pilot hole. In terms of likeness, self-tapping screws and self-drilling screws can tap their own …
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