tapcon screws, basement floor - advice needed

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On Dec 3, 4:53 pm, greg <gstusio[at]hotmail[dot]com> wrote:

was that it would be flush with the surface...) why did you suggest the hexagonal head? - is it stronger and less likely to break?

Greg-
You reasoning to buy flat heads was sound...they'll drive flush by sucking down into the plywood.
But the drawback to Phillips drive is the tendency to cam out of the driving socket...hence the recommendation for hex heads (or square drive if they made them). Also hex heads would be "proud" unless the wood was counter bored.
Hex heads have flat sides so they drive better & you can apply a lot more torque.
Get a few Tek screws an compare them to similarly sized phillips heads.
cheers Bob
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