Why can’t we just figure out what screw -head- shape is the best and always use that. It seems pointless to have hundreds of different screw types for very similar things. Obviously this is excluding things like lug nuts or anything heavy duty.
Edit:specifying screw heads, not the threads or shape.
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Well some people may disagree, but many believe the universal “best screw“ is the Robertson head. It is a square hole that requires a square bit on a screwdriver or a screw gun. It usually does not strip like a slotted head or a Phillips head. It is very commonly used in Canada and is very successful there. Arguably, the Torx head was designed to strip less than the Phillips head and it works really well at that. Also, the Torx head can be manufactured with a piece of metal in the middle that makes it very difficult to unscrew it in a public space without a special tool. While this is all true, one thing that prevents just one screw type from becoming the “best”is that in different places there are different traditions of screw types. This results in workers in a particular area already having bought tools that work with that particular screw. Many people don’t want to change what they are used to. Although the use of bits in electric screwguns has made this transition a lot easier because you can buy a package of different shaped screw tips for different screws. It is easy to change the bits for the different screws.
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