Vihr DU-25A-850 (72/8/10)

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.

DeWalt screwdriving bit tips are a perfect complement to your drill and driver and are designed to meet the demands of working professional contractors. Each bit is cut from shock-resistant tool steel more→and features an advanced hardening process that greatly reduces wear. Its snub-nose design fits perfectly into hex-socket adapters and the tips are precision ground to seat firmly into the screw head.

The Milwaukee Shockwave 1 in. Impact No.2 square bits are engineered to offer you the most durable, best fitting driver bits on the market. The Wear Guard Tip delivers increased wear resistance which more→protects the impact bits fit over the life of the bit. The impact driver bits have and optimized Shockzone for each tip type and length of driver bit to absorb peak torque and prevent breaking. The Custom Alloy76 is customized and heat treated per tip type to extend the life of the driver bits providing up to 50X vs. competitive impact driver bits. The Milwaukee Shockwave Impact Duty driver bits are built to deliver extreme durability for the most demanding applications.