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Masonry Drill Bits

Masonry bits can be used with hand-portable power tools, and are very effective for installing wiring and plumbing in existing buildings. The masonry drill bits are made up from relatively soft steel and the tips bits are brazed with tungsten carbide to provide the cutting edges.

Masonry bits are generally used with a hammer drill wherein the bit is both rotated and hammered into the planned hole. The hammering breaks up the masonry at the drill bit tip. The flutes of the drill bit body carry away the dust. Rotating the bit brings the cutting edges onto a fresh portion of the hole bottom with every hammer blow.

The proper hammer drill bits deliver fast impact drilling in concrete, stone and masonry. Low voltage, high temperature brazing prevents the carbide cutting edge from breaking out even when heat builds up during deep drilling. But do take care, the cheaper masonry drill bits are prone to shatter with the punishing hammering action. It is always better to use slow rotational speeds to drill into harder materials to avoid overheating at the tip. It helps in boring a clean hole in the desired location without damaging the bit.