How Are Screws Made?

Answer

Screws are made by feeding metal wire through a series of forming dies. These dies create the screw body, without any material going unused. This method also makes for a stronger finished product. You can find more information here: http://www.madehow.com/Volume-3/Screw.html
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2 Additional Answers
Ask.com Answer for: how are screws made
How Are Screws Made?
Screws belong to a family of threaded fasteners that also includes studs and bolts. The practical applications of screws are almost endless: They are used in industries ranging from construction to electronics and can be used for almost any project that... More »
Difficulty: Easy
Source: www.ehow.com
Screws are made by melting metal and pouring it into molds. The forms are then ground into the correct shapes and boxed to sell or packaged individually.
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