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Milwaukee Thick Wall Carbide Core Bits

Milwaukee Thin Wall Carbide Core Bits

Thin Wall (SDS Plus) Carbide Core Bits
 

Carbide core bits are like Diamond Core bits in that they produce a "core" or cylinder of masonry material when run. However, Carbide Core bits rely on the pulverizing action of a rotary hammer drill rather than the grinding action of a high speed core drill. These hammer drill bits are a cheaper and simpler alternative to diamond core bits, but they are not as useful when drilling through poured concrete and will absolutely not hold up in rebar. They can be run dry in an everyday rotary hammer drill,  so there are less barriers to entry in purchasing and using one, whereas diamond core bits often have to be run wet and require specialized tools. They also produce cores of a relatively shallow depth when compared to diamond core bits, making them less versatile and user friendly if a deep core is required.