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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. This DeWalt 20V Max Drill Kit Is a Bestselling Beast ... - AOL

    www.aol.com/dewalt-20v-max-drill-kit-100000795.html

    DeWalt's 20V Max Cordless Drill Kit is under $100 for Prime Big Deal Days on October 8 and 9. It includes a drill, two batteries, a charger, and a carrying bag. ... 20V Max Hammer Drill . amazon ...

  5. 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.

  6. Jackhammer - Wikipedia

    en.wikipedia.org/wiki/Jackhammer

    An electropneumatic hammer is often called a rotary hammer because it has an electric motor, which rotates a crank. The hammer has two pistons – a drive piston and a free-flight piston. The crank moves the drive piston back and forth in the same cylinder as the flight piston. The drive piston never touches the flight piston.

  7. DeWalt - Wikipedia

    en.wikipedia.org/wiki/DeWalt

    In 1992, Black & Decker began a major effort to rebrand its professional quality and high-end power tools to DeWalt. In 1994, DeWalt took over the German woodworking power tool producer ELU, and used ELU's technology to expand their tool line. As of 2001, they manufacture and sell more than 200 hand power tools and 800 accessories. [2]

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