In woodworking, 3-inch self-drilling screws are ideal for large projects such as building furniture, decks, or pergolas. They can securely join thick wooden planks without splitting the wood. In construction, they are used for roofing, framing, and sheathing applications. Metal fabrication also greatly benefits from these screws, particularly in joining steel or aluminum sheets, as they can easily and secure the materials together.
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Most often, they are coated with zinc or a combination of zinc and phosphate, providing resistance against corrosion and increasing their longevity Most often, they are coated with zinc or a combination of zinc and phosphate, providing resistance against corrosion and increasing their longevity
