Keep in mind that wood screws gain power in two principal ways: by friction and by the pressure of the wood fibers that grip the threads. Softwoods, like cedar or pine, are not as likely to split. Doing so is often an essential part of working with hardwoods, like walnut and oak, which are more prone to splitting. Pilot holes: As mentioned above, it's generally a smart idea to drill a pilot hole.Conversely, if it's too long, the screw will pop through the other side. If the screw isn't long enough, the boards may come apart. Length: A wood screw must be sufficiently long to securely hold two boards together.If it's too thick, it may cause the wood to split, making it useless. If the gauge is too thin, it may come right out of the wood. Gauge: The gauge, or thickness, of a wood screw must be sufficiently thick to grab onto both boards.Learning the basic principles behind wood screw technology will help you tremendously with choosing the right screw size. Luckily, general guidelines will help you buy and use the right-sized screw for your project. These have excellent strength and grip, and can also fasten wood.įiguring out the right gauge and length of a wood screw can be a challenge, and you must consider factors like: These feature deep-cut, sharp-edged threads that extend to the screw's shank. If you're joining two pieces of fiberboard, chipboard or similar, you should use specialized chipboard screws. If joining certain types of wood materials, use specialized screws.Assuming you are using the correct screwdriver and know how to drill screws into wood correctly, it won't slip and cause damage to the wood's surface. The most commonly used screw among woodworkers and carpenters is the countersunk screw with a cross-slot head. Some screws are not well-suited for wood. Picking the correct screw for the job can be challenging, especially if you're not a professional woodworker. Make sure to tighten all screws equally - differences in tightness may cause the wood to twist due to the uneven distribution of tension.Īlso, keep the following pointers in mind: If you plan to use one of these, make sure to use a countersunk bit when drilling the pilot hole, which will make room to sink the head of the screw. A countersunk screw has a head or top that goes into the wood.
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