Why do manufacturers use Allen wrench screws for self assembled furniture instead of Phillips or flathead?
In: 1849
Allen screws are much more popular than Phillips or Flat head screws.
Because of this, there are a lot more of them made.
Because of this, they are less expensive to put into a kit. It is actually cheaper to put socket head screws in a kit and provide the wrench than it would be to put Phillips heads in and provide a screwdriver.
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