Why do we still use different screw heads? Aren't four headed screws with a single slot more sensible for common use? - Quora
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tools - Why are there so many different types of screws (phillps/flat/hex/star/etc)? - Home Improvement Stack Exchange
![News - The screw drive is an essential component in any screw fastening system. With its set of shaped cavities and protrusions on the screw head, it allows for torque to be News - The screw drive is an essential component in any screw fastening system. With its set of shaped cavities and protrusions on the screw head, it allows for torque to be](https://www.sinsunfastener.com/uploads/600px-ScrewHeadTypes.png)
News - The screw drive is an essential component in any screw fastening system. With its set of shaped cavities and protrusions on the screw head, it allows for torque to be
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