A cordless screwdriver is a power tool used to set or remove screws or other threaded fasteners.
When You Should Use a Cordless Drill. Cordless drills are versatile tools that pack much more power, speed and torque than cordless screwdrivers. They are designed to drill holes AND drive screws. … Drills can be used around the house like screwdrivers, but they are best used performing bigger jobs.