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  2. Angle grinder - Wikipedia

    en.wikipedia.org/wiki/Angle_grinder

    Disc size is usually measured in inches or millimeters. Common disc sizes for angle grinders in the United States include 4, 4.5, 5, 6, 7, 9 and 12 inches, with the most popular sizes being the 4.5 and 5" size. In Europe, the most common sizes for angle grinder discs are 115 and 125 millimeters. Discs for pneumatic grinders are much smaller.

  3. Grinding (abrasive cutting) - Wikipedia

    en.wikipedia.org/wiki/Grinding_(abrasive_cutting)

    The tolerances that are normally achieved with surface grinding are ±2 × 10 −4 inches (5.1 μm) for grinding a flat material and ±3 × 10 −4 inches (7.6 μm) for a parallel surface. [4] The surface grinder is composed of an abrasive wheel, a workholding device known as a chuck, either electromagnetic or vacuum, and a reciprocating table.

  4. Surface grinding - Wikipedia

    en.wikipedia.org/wiki/Surface_grinding

    Disc grinding is similar to surface grinding, but with a larger contact area between disc and workpiece. Disc grinders are available in both vertical and horizontal spindle types. Double disc grinders work both sides of a workpiece simultaneously. Disc grinders are capable of achieving especially fine tolerances. [2] [3]

  5. Sandpaper - Wikipedia

    en.wikipedia.org/wiki/Sandpaper

    Examples of sanding discs using a quick-change mounting system. A quick-change system is commonly used with disc-type coated abrasives. A plastic or metal hub is bonded to one of the faces, which is threaded. This then mates directly to the sander or angle grinder or to a mandrel that can be mounted in a sander, grinder, or drill. The advantage ...

  6. Power tool - Wikipedia

    en.wikipedia.org/wiki/Power_tool

    A power tool is a tool that is actuated by an additional power source and mechanism other than the solely manual labor used with hand tools.The most common types of power tools use electric motors.

  7. Disc cutter - Wikipedia

    en.wikipedia.org/wiki/Disc_cutter

    Thicker or heavier materials will need a larger disc cutter. For long straight cuts on sheet metal or for light cut-off work, a standard circular saw is used with a 7 + 1 ⁄ 4-inch cutting wheel. These cutting discs are made just like the smaller wheels of an angle grinder, with resin bonded abrasive material, or are of metal with a diamond ...