5/16 x 12-In. Percussion Masonry Drill Bit
SKU: 7664709
5/16" x 12" Percussion Bit, Improved Carbide Tip Provides Up To 2 Times Longer Life, Innovative Tip Configuration Reduces Walking For Improved Accuracy & Unique Flute Design Efficiently Removes Dust Reducing Bit Binding, For Concrete & Masonry Drilling.