Impact Driver or Power Screwdriver

23 May 2017
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United Kingdom
I need an Impact Driver or Power Screwdriver to drill 1,000ish screws into OSB3.

What would you recommend and what battery/specs should I be looking at?
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What length & diameter are the screws? I'd personally go for as small and light as possible impact driver, unless the screws are very large/long and you need more grunt.

What existing cordless tools do you have that you could utilise the batteries & charger?

What's the budget?
Going to use Spax Chipboard Flooring Screws - 4.5 X 60mm

No current cordless drills.

Budget, well this is a one-off project and I haven't needed a cordless so far. Having said that am sorting my large garage roof so with the weather I want to get it fixed quickly.

Total Budget for the project is £2,000.
A nice compact/light 10.8v or 12v impact will be fine for those screws. Something like...

Or if you're planning to get more into DIY and expand your range in the future, an 18v twin pack with an impact and a regular drill driver would be a good idea, as there are more compatible tools in most brand's 18v range than their 10.8 or 12...
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Aldi are selling cordless hammer drills (18V Li-ion battery I think) for £49.99 at the moment. If you don't need hammer action, they may have some 18/20V non-hammer drills for £29.99. Going back a few months they were offering a twin pack, drill and impact driver for (IIRC) £99.99
I have both (dewalt ) but prefer the drill for screws as I feel I have finer control. When the impact - impacts its like a hammerdrill only more severe, but for quickly whacking in screws on a first fix it is ideal - and lighter. There are some good offers on the dewalt brush motored ones as seems they want to move over to the brushless versions.
Bosch 10.8v driver, not the impact. Light and has the highest torque of any comparable driver from other manufacturers.
The brushless models have the highest speed and torque.

Sounds like the prefect job for an impact driver.
If you've got any cordless tools already get a bare tool from the same brand and you'll save a bundle.

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