7 Piece, Premium Percussion Masonry Drill Bit Set Innovative Tip Configuration Reduces Walking For Improved Accuracy, Improved Carbide Tip Provides Up To 2 Times Longer Life, Optimum Grade Of Carbide Provides Maximum Durability, Unique Flute Design Efficiently Removes Dust Reducing Bit Binding, Used By General Contractors, Electricians, Mechanical Contractors, Among Others For A Wide Variety Of Fastening Applications Such As Commercial Shutters, Gutters, Railings and Duct Work Installation, Drilling Holes Up To 1 inch For Mechanical Anchors and Small Diameter Through Holes, Drilling Smaller Diameter Holes In Soft Aggregate Materials, Contains 1 Each: Carbide Hammer Drill Bits In Sizes .1875 inch x 3, .25 inch x 4 inch , .3125 inch x 6 inch , .375 inch x 6 inch , .5 inch x 6 inch and 2 .25 inch x 6 inch Carbide Hammer Drill Bits.
