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Whats the difference between self-tapping screws and self-drilling screws?

April 26, 2017screws self-drilling self-tapping

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Whats the difference between self-tapping screws and self-drilling screws?

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A. Self-tapping screws require a pilot hole be pre-drilled through the panel and steel support member prior to screw installation. Self-drilling screws have a drill point on the tip that will drill through the panel and steel support member. We also offer a sharp-point Woodtite screw that will pierce through the panel and fasten into a wood support member.