Bosch Turbo Step Drill Bits deliver impact-ready durability in metal. These Impact Tough bits are designed to withstand the high torque associated with today's more powerful impact drivers. They are effective in both high- and low-speed mode. The bits feature self-starting points that help avoid skating and create clean, accurate holes. They are made with a balanced double flute that helps to eliminate chatter and vibration, plus sharp cutting edges for consistent hole quality. The impact-rated shank allows use in both drills and impact drivers. The bits can handle repetitive drilling of holes in thin gauge metal, wood, plastic and PVC.