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  2. Drill bit - Wikipedia

    en.wikipedia.org/wiki/Drill_bit

    While the above is a common use of center drill bits, it is a technically incorrect practice and should not be considered for production use. The correct tool to start a traditionally drilled hole (a hole drilled by a high-speed steel (HSS) twist drill bit) is a spotting drill bit (or a spot drill bit, as they are referenced in the U.S.). The ...

  3. Burnisher - Wikipedia

    en.wikipedia.org/wiki/Burnisher

    Purpose-manufactured burnishers are polished smooth, typically made from high speed steel (HSS) or cemented carbide, [4] and usually have wooden handles. The shaft profile is usually round, but other profiles include oval and triangular.

  4. High-speed steel - Wikipedia

    en.wikipedia.org/wiki/High-speed_steel

    High-speed steel (HSS or HS) is a subset of tool steels, ... It is usually used to manufacture a variety of tools, such as drill bits, taps and reamers. 1.3343 is the ...

  5. Annular cutter - Wikipedia

    en.wikipedia.org/wiki/Annular_cutter

    A tungsten carbide tipped (TCT) and high-speed steel (HSS) annular cutter (also known as a "core drill" or "hole saw"). An annular cutter (also called a core drill, core cutter, broach cutter, trepanning drill, hole saw, or cup-type cutter) is a form of core drill used to create holes in metal.

  6. Dremel - Wikipedia

    en.wikipedia.org/wiki/Dremel

    Variable-speed versions cover a range of 3,000 to 37,000 rpm. The Dremel relies on high speed, rather than the high torque of a conventional power drill. By inserting the appropriate bit (or burr), the tool can perform drilling, grinding, sharpening, cutting, cleaning, polishing, sanding, routing, carving, and engraving. Early cordless models ...

  7. Tool and cutter grinder - Wikipedia

    en.wikipedia.org/wiki/Tool_and_cutter_grinder

    View of a typical setup on a T&C grinder. A Tool and Cutter Grinder is used to sharpen milling cutters and tool bits along with a host of other cutting tools.. It is an extremely versatile machine used to perform a variety of grinding operations: surface, cylindrical, or complex shapes.