Reply by JayT

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Posted on How Strong Of An Impact Driver Do I need?

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6424 posts in 3295 days

#1 posted 10-07-2015 09:12 PM

So if you had two drivers where the hp was the same but the voltage was different, the only difference would be how long the battery lasts?

- wmgworks

Yes, if the torque ratings are the same, then the only difference is run time.

I have a first generation M12 impact and it does everything I’ve asked of it. I’ve driven everything from 3/4in wood screws up to 3/8 lags with no issues (predrilled holes, of course). For woodworking and light construction you don’t need anything more than one of the quality 12V offerings that are out there.

When we remodeled our kitchen a few years ago, I got to talking with the installer about tools. He was using 12V drill and impact driver at that time and really liked them. Was far happier with them because of size and weight than his previous 18V tools.

With any cordless tool, having that extra battery is a good thing and the 12V batteries charge faster than I can run them down during normal use, so you don’t have to have a bunch of extras.

-- - In theory, there is no difference between theory and practice. In practice, there is.

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