To start with, wood screws are traditionally flat-headed although other head styles can now be found. In order to understand what we’re doing, it would be helpful to have a good understanding of how screws get a grip on the wood they are holding and why wood screws, in particular, are designed the way they are. But with proper care, the hole can be filled, making the wood as good as new and providing for a solid joint. In whatever case, it at first seems like the project or at least the piece has been destroyed. It doesn’t matter if the hole is too big because the pilot hole was drilled too large or because the screw has been put in and out too many times. For that matter, voids in the core layers of plywood can make a hole unusable. There are times when the screw hole is just made too big other times when the threads damage the wood to the point where it won’t grab and still other times when the design changes, making the original hole unusable. But screws and wood aren’t a perfectly matched pair. Working with screws makes woodworking much simpler than having to peg everything and screws often provide a much stronger bond than nails. Whoever invented the wood screw deserves a prize.
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