Phillips Head Screw Drivers


Old 10-03-02, 01:37 PM
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Question Phillips Head Screw Drivers

It is my understanding that there are four different head sizes for Phillips head screws and drivers.
X-Small 0
Small 1
Medium 2
Large 3
X-Large 4
How does one determine the proper size driver to use with a screw? I have not notice any coding on the boxes of screws of on the driver. Is it just by trial and error.
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Old 10-03-02, 08:45 PM
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I am also curious about Phillips head screws.
In Canada the Robertson or socket is the standard screw. The sizes are well marked on the drivers and screw boxes.
Although I have some Phillips drivers with sizes on them, there doesn't seem to be any consistency as to which driver fits which guage of screw.
If I have a Phillips screw that looks like it will be a challenge I will place the closest fitting driver in the screw and whack it with a hammer to both help free the screw and help the driver tip conform the screws shape.
Am I alone in this?
Old 10-04-02, 04:10 AM
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I occasionally build outdoor furniture and do other woodworking.
I'm done with phillips all together. I buy #2 square drive screws for all my projects.
Old 10-09-02, 08:59 AM
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Yes there are different sized Phillips screws. The Craftsman tool catalog describes them pretty well.

I just use the one that's the best fit and gauge if it's tight or not .
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