Our local tool store has a display set up. Two pieces of pressurized 4x4 and some 2 and 3 inch screws. No problem driving the screws. In fact I drove one until it came out the other side. Set it 3/4": down in the wood. What surprised me was the screw didn't break off. Apparently something about the impact driver versus continuous drive. The wood was pretty dry, however.
I'm amazed by the tiny size of this impact driver. In theory, and
>according to the salesman, this thing will have no problem with 3 1/2"
>deck screws in pressurized lumber, which is my immediate task. The vast
>majority of future tasks will probably be lighter weight than this.
>Again, I can see the punch this thing apparently packs in so small a
>package as a major convenience - but it has to be up to the task
>immediately at hand for me to fork over the cash. Any experiences out
>there that can confirm or deny this thing's capability with 3 1/2 deck
>screws in pressurized lumber?
>
>Thanks in advance,
>Al