Electric Drill

The electric drill is a battery-operated, handheld power drill found by Saya Takagi in the Arts and Crafts classroom at Fujimi Academy. Saya only uses it briefly at the school, but it is later used at the police station to break the lock on a door.

Overview
"Drills work pretty well against zombies. Giant robots with drills can bring each other down. Can also make holes, and makes an effective projectile." -Daisuke Sato