A screw holds wood together better than any nail because it resists being pulled out much better. A screw is also easier to remove without damage. However, screws are more expensive to make and take longer to put in, so nails are still used in a lot of timber work.
A screw is the simple machine which holds two boards together. In this case it is not acting as a machine though.
If we are speaking of only one fastner, then the bolt,especially if used with washers are far the best. It depends on how the boards are oriented. If you're trying to strengthen two planks (flat side to flat side) and you have the room (after they're installed) then bolts, washers, lock washers, & nuts are the best. Screws set in at angle will hold better than nails. If this is a permenant application, you can use liquid nails, but it really isn't necessary.
because the threads hold them into place while as a nail works its way out at a point of time !
They hold very well, better than into wood.
Screw
A screw holds wood together better than any nail because it resists being pulled out much better. A screw is also easier to remove without damage. However, screws are more expensive to make and take longer to put in, so nails are still used in a lot of timber work.
A screw is the simple machine which holds two boards together. In this case it is not acting as a machine though.
One thing that can hold a screw in place is an anchor. You can also use a nut to hold a screw into place.
If we are speaking of only one fastner, then the bolt,especially if used with washers are far the best. It depends on how the boards are oriented. If you're trying to strengthen two planks (flat side to flat side) and you have the room (after they're installed) then bolts, washers, lock washers, & nuts are the best. Screws set in at angle will hold better than nails. If this is a permenant application, you can use liquid nails, but it really isn't necessary.
Screws hold the drill body together.
Quality dart boards are made out of horse hair, the resin is put in to hold it together, this is what makes the cracks you see.
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To hold boards together strongly I often use a 'biscuit' or a dowel to help. This entails making a hole or two in the wood to be joined. Then carpenters glue is spread on the dowel and over the surfaces of the wood that will contact each other, and they are clamped together. Leave them clamped for at least 4 hours.
A screw used to hold two pieces of wood together, and a screw used to attach a light bulb in a lamp are common examples of screws.
The screw is one of the six (or seven) Aristotelian 'Simple Machines' that enable humans to do work by redirecting or focusing force. A screw is a fastener.
umm i would say screws because they hold in better