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1 3/8 Diamond Concrete Hole Saw Masonry Core Drill Bit Heavy Duty for Brick, Cinder Block, Pavement, Foundation Walls, Concrete Standard Drill Shank 1-3/8 inch - Amazon.com
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Amazon.com: Patio 1-3/8'' SDS Plus Hammer Drill Bit for Rotary Masonry Hammer Concrete Cement Surface : Tools & Home Improvement
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CHICAGO-LATROBE, 1 3/8 in Drill Bit Size, 8 7/8 in Flute Lg, Taper Shank Drill Bit - 1N887|53188 - Grainger
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1 3/8 Diamond Concrete Hole Saw Masonry Core Drill Bit Heavy Duty for Brick, Cinder Block, Pavement, Foundation Walls, Concrete Standard Drill Shank 1-3/8 inch - Amazon.com
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