If you use it for its intended purpose. 5 stars all day. This is a drill, not a screwdriver. Threading screws into tight pilot holes gets a bit tricky as they have too much power and no grip so you can't adjust them much. by drilling pilot holes and then using my battery powered Hitachi to drive in the screws. Switching between them will make the work 3 or 4 times shorter. That being said, if you don't have a separate driver, you can certainly tighten the screws. With this guy you have to be careful not to tear off the screw head.