-> -> The other probability is that much of this is assembled using
-> -> automation and once they are tooled up to use a certain
-> -> fastener why retool for a different one. It is also a pain to
-> -> stock and inventory multiple types/sizes of fasteners.
->  
-> > Torx is the hot ticket for automated or Fast
-> > Assembly. The bit stays engaged until the screw
-> > is seated.
->  
->  Ordinary Torx or security/tamper-proof Torx?

 I haven't noticed much difference. They are both about the same
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