Drive screws are more commonly used in place of nails in building today. The screw has a Phillips or square drive head, and is driven in with a drill.
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A machine screw typically has a slotted or Phillips drive whereas a cap screw typically has a socket or torx head.
The screw is not only a fastener. The screw can lift grain to high places, lift water, be used with another screw to drive machinery (called gears) They are needed to accurately machine and build machinery So nothing you own, eat or play with would be here without the screw.
A worm drive.
fewer yah fewer or less . from Alexandra sargent
A screw with a slot in it.