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2. Impact driver - Wikipedia

   en.wikipedia.org/wiki/Impact_driver

   A manual impact driver (for use with hammer) with screwdriver bits and adapters. An impact driver is a tool that delivers a strong, sudden rotational force and forward thrust. The force can be delivered either by striking with a hammer in the case of manual impact drivers, or mechanically in the case of powered impact drivers.

3. This 5-star DeWalt drill is lower than its Black Friday ... - AOL

   www.aol.com/lifestyle/this-5-star-dewalt-drill...

   Right now, you can score a cordless drill and impact driver in this combo set for just $125 ($4 cheaper than its Black Friday price!). That's 48% off, nearly half off one of the most trusted ...

4. Rotary hammer - Wikipedia

   en.wikipedia.org/wiki/Rotary_hammer

   Compared to less advanced power units known as hammer drills, rotary hammers tend to be larger and provide a bigger impact force by using a technology called the "electro-pneumatic" (EP) hammering mechanism, because it is powered directly by electricity instead of a separate air compressor. Rotary hammers have two pistons – a drive piston ...

5. Brushless DC electric motor - Wikipedia

   en.wikipedia.org/wiki/Brushless_DC_electric_motor

   Brushless motors are found in many modern cordless tools, including some string trimmers, leaf blowers, saws (circular and reciprocating), and drills/drivers. The weight and efficiency advantages of brushless over brushed motors are more important to handheld, battery-powered tools than to large, stationary tools plugged into an AC outlet.

6. 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.

7. Drill - Wikipedia

   en.wikipedia.org/wiki/Drill

   The chuck on impact drills is different from the conventional handheld power drill. The chuck acts more as a collet with a hexagonal shape in which the bits and drivers lock into. Impact drivers can also be used to bore holes like a standard pistol grip drill, but this requires a special bit that will lock into the hexagonal collet. The design ...

8. Screwdriver - Wikipedia

   en.wikipedia.org/wiki/Screwdriver

   Special combination drill-driver bits and adapters let an operator rapidly alternate between the two. Variations include impact drivers, which provide two types of 'hammering' force for improved performance in certain situations, and "right-angle" drivers for use in tight spaces. Many options and enhancements, such as built-in bubble levels ...

9. Combination machine - Wikipedia

   en.wikipedia.org/wiki/Combination_machine

   The sliding table can work in conjunction with either the table saw or the shaper. Outfitted with an 8-foot (2.4 m) sliding table and outrigger, a single person can cut 4-by-8-foot (1.2 m × 2.4 m) plywood very accurately and efficiently. Changing between most functions takes only a few seconds.