Thorvik AIW3416M (52749)

Specifically designed to handle the abuse that impact drivers dish out, the DeWalt DW2149 28-piece Screwdriving Bit Set consists of the most commonly used bits, made of a special steel that is designe more→d to be ultra-durable. Each bit uses a black oxide process for greater wear resistance and strength. The tips in the DW2149 set can be used with impact tools rated for up to 2,000 in. lb. of torque. Comes in a tough case to keep it organized and easy to transport.

Bosch BlueGranite Turbo Carbide Hammer Drill Bits deliver 5x life and 2x speed over standard masonry bits, resulting in increased on-the-job productivity. This impact-rated bit has been redesigned wit more→h a hex shank and it is designed for use in today's higher torque hammer drills and impact drivers. The bit features an upgraded four-grind head, delivering additional cutting angles for faster drilling. The multi-grind centering tip also provides for precise starts in masonry, block and concrete.

While most screw driving bits are simply compatible with impact drills and drivers, Irwin Impact Performance Series fastener drive bits are engineered for maximum durability and long life with impact more→drivers. These bits are forged rather than milled, so they fit fasteners more precisely, which reduces stripping and increases the life of the bit itself - Irwin's Impact Performance Series bits have three times longer life than traditional bits.