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Your favourite screw head

What is your favourite screw head for small machine and self tapping screws? Is it Slotted, Pozidriv, Torx, JIS B 1012, or do you prefer something more exotic like Pentalobe or Tri-Wing?


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  • Simon Barker:

    Of course "tamperproof" just means that someone has to buy a new set of tamperproof screwdriver bits if they want to tamper with it.  Failing that, rummage through your toolbox until you find something you can mash into the hole in the screwhead.



    Many Torx screwdrivers nowadays have the hole in the tip for tamperproof Torx screws. This explains the appearance of screws with an odd number of sides to the recess such as pentalobe or the triangular shape found on toys.


    Screws are available with a custom shaped recess where only the manufacturer or approved repair technicians have the screwdrivers which fit them.
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  • Simon Barker:

    Of course "tamperproof" just means that someone has to buy a new set of tamperproof screwdriver bits if they want to tamper with it.  Failing that, rummage through your toolbox until you find something you can mash into the hole in the screwhead.



    Many Torx screwdrivers nowadays have the hole in the tip for tamperproof Torx screws. This explains the appearance of screws with an odd number of sides to the recess such as pentalobe or the triangular shape found on toys.


    Screws are available with a custom shaped recess where only the manufacturer or approved repair technicians have the screwdrivers which fit them.
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