Most philips #3 screwdriver bit (for cordless screwdriver) I found has the
same diameter as a philips #2 bit. It seems for some reason the tip of the
bit cannot be made wider than the shaft. The result is that the #3 bit does
not fill up the entire slot in a screw, and is therefore prone to slipping
out during tightening.
In a manual philips #3 screwdriver, the tip diameter is larger than a #2
screwdriver and fills up the slot on the screw nicely.
Where can I buy a larger #3 bit? Do I have to resort to cutting off my hand
screwdriver's tip for this purpose?
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