Thread: Self tapping screw hole
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Grumps[_2_] Grumps[_2_] is offline
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Default Self tapping screw hole
Hi

I have a need to screw into some sheets of acrylic. I have some 1/2" #6
screws. I believe this is 3.5mm in metric speak. But is that the hole size I
have to drill?
Ta.


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