Masonry Drill Bit, 5/16 X 4 In.

5/16"x4" Masonry Drill Bit. Professional Duty Masonry Drill Bit-Fast Spiral. Tungsten carbide tip for durability in concrete and brick. Deep single flute removes drilling dust fast. Reduced shank carbide tipped percussion and rotary masonry drill bits. Nickel plated for fast, smooth performance. Carbide tip can also be used for rotary drilling applications and for deep drilling. Slow spiral for quick and easy debris removal. Nickel plated for fast, smooth performance. Carbide tip can be used for rotary drilling applications also for deep drilling. Slow spiral for quick and easy debris removal, 7/16 in and larger drill bits have reduced shanks. Nickel plated for fast, smooth performance. Carbide tip can be used for rotary drilling applications also for deep drilling. Slow spiral for quick and easy debris removal; 7/16" and larger drill bits have reduced shanks.

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