Milwaukee Shockwave Impact Duty 7/8 In. - 1-1/8 In. #9 Step Drill Bit, 2 Steps Brand_National Double Duty Upgrade features a

Double Duty Upgrade features a tooth form optimized for the longest life and maximum durability

high performance blades feature bi-metal technology that delivers up to 5x longer life of standard blades

Molded block has 1 threaded hole and 1 tapered hole with protective plastic bumper

bonding concrete and plaster to difficult surfaces

Width       6

Milwaukee Shockwave Impact Duty 7/8 In. - 1-1/8 In. #9 Step Drill Bit, 2 Steps Brand_National Double Duty Upgrade features aShockwave Impact Duty Step Bits are engineered to deliver the most durable and fastest impact step bit hole drilling solution. These step drill bits are made with global materials and give best in class performance in impact drivers with the versatility to be used in drills. The 1 4 In. hex shank has an optimized SHOCKZONE body providing the industry's most durable shank, reducing early shank breaks. Titanium Aluminum Nitride (TiAlN) coating helps