
Originally Posted by
TonyT
For a small amount of plywood, i.e. 1 sheet or less, a cordless impact driver is good. For production work, as in installing multiple sheets of plywood underlayment, use a corded screwgun. Variable speed screwguns generally come in two types, 5,000 rpm for drywall and 2,500 rpm for wood. The wood screwguns have more torque. I have several screwguns and cordless drivers. I even have a cannister fed screwgun with an extension so I can stand and screw down underlayment.
When you get good with a screwgun you cup your thumb & index finder around the top and use your pinky on the trigger. The other hand loads the screws.
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