Difference between a Screw and Bolt?

Answer

A bolt is a fastener that is externally threaded and is designed for insertion in assembled parts through holes, and it is normally intended to be released or tightened by torquing a nut. A screw on the other hand is a fastener that is externally threaded and is capable of being inserted into holes in assembled parts, of mating with a preformed internal thread or forming its own thread, and of being tightened or released by torquing the head.
3 Additional Answers
A bolt refers to bar made of wood or metal that slides into a socket and is used to fasten doors and gates. A screw on the other end is a metal pin with incised threads and a broad slotted head that can be driven as a fastener by turning with a screwdriver.
Screws and bolts are types of fasteners but the difference between the two is that screws do not use nuts. Screws are used in parts that have threaded holes.
The difference between a screw and a bolt is that a screw is threaded to the head while a bolt has a plain shank. Another difference is that bolts are usually used either with a nut or are tapped to a hole while screws are used for fastening.
Q&A Related to "Difference between a Screw and Bolt?"
Screws have threads and bolts sometimes do and sometimes don't have threads. Screws join things together, wood or metal or plastic. Bolts have a nut on the other end and may use washers
http://wiki.answers.com/Q/What_is_the_difference_b...
Align your screws to make sure they are the correct size. If you have just pulled the old screw out and are merely about to put it back in the hole, then you know it's correct. But
http://www.ehow.com/how_2259251_reinstall-screws-b...
A bolt is a type of screw and is any of several types of strong fas...
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1 Verify that you have the right size screw for the hole. If it's the same screw you just took out, fine. If you are replacing the screw, a good check is to hold it up opposite the
http://www.wikihow.com/Reinstall-Screws-and-Bolts
Explore this Topic
Screws have threads and bolts sometimes do and sometimes don't have threads. Screws join things together, wood or metal or plastic. Bolts have a nut on the other ...
Screws have threads and bolts sometimes do and sometimes don't have threads. Screws join things together, wood or metal or plastic. Bolts have a nut on the other ...
Screws have threads and bolts sometimes do and sometimes don't have threads. Screws join things together, wood or metal or plastic. Bolts have a nut on the other ...
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