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2. Rotary hammer - Wikipedia

   en.wikipedia.org/wiki/Rotary_hammer

   Worn masonry drill bit having a Slotted Drive Shaft (SDS) Rotary hammers have such force that the usual masonry drill bits are not adequate. Their smooth shanks would be pounded loose from the tool's chuck in a few seconds. Rotary hammers require special bits with an SDS shank (which can stand for Slotted Drive Shaft or Special Direct System ...

3. 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.

4. Grinding machine - Wikipedia

   en.wikipedia.org/wiki/Grinding_machine

   Tool and cutter grinder, which usually can perform the minor function of the drill bit grinder or other specialist toolroom grinding operations. Jig grinder, which as the name implies, has a variety of uses when finishing jigs, dies, and fixtures. Its primary function is in the realm of grinding holes for drill bushings and grinding pins. It ...

5. Jackhammer - Wikipedia

   en.wikipedia.org/wiki/Jackhammer

   The connection end size is also related to the breaking energy of the tool. For example, the Bosch and Hilti 12 lb (5.4 kg) tools both use SDS-max, while the Bosch, Hilti, and Makita 65 lb (29 kg) tools all use 1+1/8 in hex connection. See hammer drills for more on electropneumatic hammering.

6. Bosch (company) - Wikipedia

   en.wikipedia.org/wiki/Bosch_(company)

   Its Power Tools division is a supplier of power tools, power tool accessories, and measuring technology. In addition to power tools such as hammer drills, cordless screwdrivers, and jigsaws, its products also include gardening equipment such as lawnmowers, hedge trimmers, and high-pressure cleaners. One of the division's focal points is ...

7. 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).