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

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

   For heavy-duty applications that require the power of a rotary hammer drill, this set of Bosch bits is a great choice. Each bit features a 4-flute design that optimizes powder ejection, reducing ...

3. 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 ...

4. Hammer drill - Wikipedia

   en.wikipedia.org/wiki/Hammer_drill

   A corded hammer drill next to a drill bit and a chuck key. A hammer drill, also known as a percussion drill or impact drill, is a power tool used chiefly for drilling in hard materials. [1] [2] It is a type of rotary drill with an impact mechanism that generates a hammering motion.

5. Drill - Wikipedia

   en.wikipedia.org/wiki/Drill

   The rotary hammer (also known as a rotary hammer drill, roto hammer drill or masonry drill). Standard chucks and parallel-shank carbide-tipped drills have been largely superseded by SDS chucks and matching (spline shank) drills, that have been designed to better withstand and transmit the percussive forces. These bits are effective at ...

6. Rotary tool - Wikipedia

   en.wikipedia.org/wiki/Rotary_tool

   A pneumatic die grinder with a right-angle head. A cordless battery-powered rotary tool used for light tasks. A die grinder or rotary tool is a handheld power tool and multitool used for grinding, sanding, honing, polishing, or machining material (typically metal, but also plastic or wood).

7. Hughes Tool Company - Wikipedia

   en.wikipedia.org/wiki/Hughes_Tool_Company

   The company was established in December 1908 [1] as Sharp-Hughes Tool Company when Howard R. Hughes Sr. patented a roller cutter bit that dramatically improved the rotary drilling process for oil drilling rigs. He partnered with longtime business associate Walter Benona Sharp to manufacture and market the bit.