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The Different Types of Drill Bits

Learn about the basic types of drill bits used for wood, metal and masonry.

Excerpted from Do It Yourself Home Improvement

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Masonry Drill Bits Cut into Many Masonry Surfaces
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Masonry Drill Bits

These can cut into many masonry surfaces. The shaft spirals up to a tip that is often composed of an extra-hardened material. Bit colors vary because of the different materials used. The tip may be a different color from the shaft due to a hardened coating. For instance, a chrome-vanadium shaft may be finished with a tungsten-carbide tip.



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