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2. Drill bit shank - Wikipedia

   en.wikipedia.org/wiki/Drill_bit_shank

   The shortest SDS-plus masonry drill bits are about 110 mm overall length, and the longest 1500 mm. SDS-max is more common for larger rotary hammers and chipping guns, and common sizes start at 1 ⁄ 2 inch (13 mm) diameter up to 1 + 3 ⁄ 4 inches (44 mm) diameter. Standard lengths are 12 to 21 inches (300 to 530 mm).

3. Hammer drill - Wikipedia

   en.wikipedia.org/wiki/Hammer_drill

   Hammer drills almost always have a lever or switch that locks off the special "hammer clutch," turning the tool into a conventional drill for wood or metal work. Hammer drills are more expensive and more bulky than regular drills, but are preferable for applications where the material to be drilled, concrete block or wood studs, is unknown.

4. Jackhammer - Wikipedia

   en.wikipedia.org/wiki/Jackhammer

   A jackhammer (pneumatic drill or demolition hammer in British English) is a pneumatic or electro-mechanical tool that combines a hammer directly with a chisel. It was invented by William McReavy, who then sold the patent to Charles Brady King. [1] Hand-held jackhammers are generally powered by compressed air, but some are also powered by ...

5. Makita - Wikipedia

   en.wikipedia.org/wiki/Makita

   Makita circular saw. Makita Corporation (株式会社マキタ, kabushiki gaisha Makita) (TYO: 6586) is a Japanese manufacturer of power tools.Founded on March 21, 1915, it is based in Anjō, Japan and operates factories in Brazil, China, Japan, Mexico, Romania, the United Kingdom, Germany, United Arab Emirates, Thailand, Indonesia, Malaysia, Philippines, Canada, and the United States.

6. Rotary hammer - Wikipedia

   en.wikipedia.org/wiki/Rotary_hammer

   Ramset 342 Dyna Drill and Chipping Hammer, shown with chipping chisel. A rotary hammer, also called rotary hammer drill [1] is a power tool that can perform heavy-duty tasks such as drilling and chiseling hard materials. [2] It is similar to a hammer drill in that it also pounds the drill bit in and out while it is spinning. However, rotary ...

7. Drill - Wikipedia

   en.wikipedia.org/wiki/Drill

   The hammer action may be engaged or disengaged as required. Drill press – larger power drill with a rigid holding frame, standalone mounted on a bench; A heavy duty rotary hammer drill. Rotary hammer combines a primary dedicated hammer mechanism with a separate rotation mechanism, and is used for more substantial material such as masonry or ...