Simpson Strong-Tie CB3BLG114S #10 x 1-1/4 Inch Collated Fiber-Cement Board Screws (1500 Count) - Perfect for Roofing, Siding & Exterior Sheathing Projects

I bought and used the Quik Drive for 1 hour today and as a contractor, I will never use my drywall gun again. I can screw off a sheet of 1/4 hardie in less than 2 minutes. With perfect countersinks and I mean perfectly flush with the hardie using this screw. Just make sure you buy the right attachment for cement board..unlike the guy who gave these screws 1 star because he isn't so bright. These screws are very sharp and work great, didn't strip, they are smaller than your standard hardie coated screw but seem to hold plenty good and don't crack the hardie as often....I highly recommend them as a licensed contractor!