enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Drill - Wikipedia

   en.wikipedia.org/wiki/Drill

   Electric drills can be corded (fed from an electric outlet through a power cable) or cordless (fed by rechargeable electric batteries). The latter have removable battery packs that can be swapped to allow uninterrupted drilling while recharging. A popular use of hand-held power drills is to set screws into wood, through the use of screwdriver bits.

3. Drill bit - Wikipedia

   en.wikipedia.org/wiki/Drill_bit

   Masonry bits up to 1,000 mm (39 in) long can be used with hand-portable power tools, and are very effective for installing wiring and plumbing in existing buildings. A star drill bit, similar in appearance and function to a hole punch or chisel, is used as a hand powered drill in conjunction with a hammer to drill into stone and masonry. A star ...

4. Magnetic drilling machine - Wikipedia

   en.wikipedia.org/wiki/Magnetic_drilling_machine

   A portable magnetic drilling machine is faster and more portable alternative to hole making machines such as the drill press, and is more accurate than a hand drill. A portable magnetic drilling machine is used on steel or other magnetic materials. It gives an accuracy of 0.01 mm to 0.05mm in steel or other magnetic material. The drill bits ...

5. Power tool - Wikipedia

   en.wikipedia.org/wiki/Power_tool

   The most common types of power tools use electric motors. Internal combustion engines and compressed air are also commonly used. Tools directly driven by animal power are not generally considered power tools. Power tools can produce large amounts of particulates, including ultrafine particles. Airborne particulate matter is a Group 1 carcinogen.

6. Universal motor - Wikipedia

   en.wikipedia.org/wiki/Universal_motor

   They are also commonly used in portable power tools, such as drills, sanders, circular saws, and jigsaws, where the motor's characteristics work well. An added benefit for power tools used by welders is that classic engine-driven welding machines may be a pure DC generator, and their auxiliary power receptacles will still be DC, even though a ...

7. Drilling - Wikipedia

   en.wikipedia.org/wiki/Drilling

   Drilling is a cutting process where a drill bit is spun to cut a hole of circular cross-section in solid materials. The drill bit is usually a rotary cutting tool, often multi-point. The bit is pressed against the work-piece and rotated at rates from hundreds to thousands of revolutions per minute.