Why your Impact Driver is stripping screws—you’re not using the right mode

Drills and impact drivers are great for driving lag bolts or self-tapping screws, but they are also the fastest way to ruin a DIY project if you don’t respect their power. If you’re constantly using your impact driver on 3 (or the fastest setting) and stripping heads, snapping screws, or overdriving, you’re using it wrong.