Amazon.com: Sabre Tools 4-Piece 12in SDS Plus Drill Bit Set, Carbide Tipped, Rotary Hammer Drill Bits for Brick, Stone, Concrete (1/4" x 12", 5/16" x 12", 3/8" x 12", 1/2" x 12") :
Amazon.com: Bosch 5 pc. 5/32 In. X 6 In. Hex Shank Hammer Drill Masonry Bits LBHX0025 : Tools & Home Improvement