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2. Bore Through Tough Concrete and Brick With These Masonry ...

   www.aol.com/lifestyle/bore-tough-concrete-brick...

   4-Cutter SDS+ Carbide Hammer Drill Bit Masonry Kit. If you plan on drilling through concrete with rebar, save yourself time and money by using these heavy-duty Milwaukee bits.

3. Drill bit - Wikipedia

   en.wikipedia.org/wiki/Drill_bit

   Masonry bits typically are used with a hammer drill, which hammers the bit into the material being drilled as it rotates; the hammering breaks up the masonry at the drill bit tip, and the rotating flutes carry away the dust. Rotating the bit also brings the cutting edges onto a fresh portion of the hole bottom with every hammer blow.

4. Hammer drill - Wikipedia

   en.wikipedia.org/wiki/Hammer_drill

   Although each blow is of relatively low force, these thousands of blows per minute are more than adequate to break up concrete or brick, using the masonry drill bit's carbide wedge to pulverize it for the spiral flutes to whisk away. For this reason, a hammer drill drills much faster than a regular drill through concrete, brick, and thick lumber.

5. Bush hammer - Wikipedia

   en.wikipedia.org/wiki/Bush_hammer

   In 1831, Joseph Richards (1784–1848) invented the bush hammer. The US patent was issued February 20, 1828, for a stone-working tool, with a patent number of 5010X.

6. Rotary hammer - Wikipedia

   en.wikipedia.org/wiki/Rotary_hammer

   A rotary hammer drill used in construction. Rotary hammers can be used for "doweling" (repetitive drilling of large rebar anchor holes), and drilling through-holes in concrete and masonry walls. The hammering action helps break up the masonry so that it can be removed by the drill bit's flutes. Apart from their main function of drilling ...

7. This Compact DeWalt 12V Cordless Drill and Bit Set Is ... - AOL

   www.aol.com/lifestyle/compact-dewalt-12v...

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