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Amazon.com: Sabre Tools 1-1/4 Inch x 18 Inch SDS Plus Rotary Hammer Drill Bit, Carbide Tipped for Brick, Stone, and Concrete (1-1/4" x 16" x 18") : Tools & Home Improvement
1-1/4" x 15" Simpson SDS-MAX Quad Head Concrete Drill Bit, Carbide Tip – Fasteners Plus
Milwaukee 48-20-9110 1/4 x 4 Carbide Hammer Drill Bit Bulk 25PK
1/4 in. - 1-3/8 in. Carbide Tipped Forstner Drill Bit Set with 3/8 In. Shanks, 8 Piece