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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. Sharpening jig - Wikipedia

    en.wikipedia.org/wiki/Sharpening_jig

    Push style sharpening jigs used to sharpen chisels and plane blades A push style sharpening jig being used to sharpen a plane iron on a water stone A side to side jig. A sharpening jig is often used when sharpening woodworking tools. Many of the tools used in woodworking have steel blades which are sharpened to a fine edge.

  4. Sharpening - Wikipedia

    en.wikipedia.org/wiki/Sharpening

    Drill bits - twist drills used for wood or steel are usually sharpened on a grinding wheel or within a purpose made grinding jig to an angle of 60° from vertical (120° total) although sharper angles may be used for hard or brittle materials such as glass.

  5. Jig (tool) - Wikipedia

    en.wikipedia.org/wiki/Jig_(tool)

    An example of a jig is when a key is duplicated; the original is used as a jig so the new key can have the same path as the old one. Since the advent of automation and computer numerical controlled (CNC) machines, jigs are often not required because the tool path is digitally programmed and stored in memory. Jigs may be made for reforming plastics.

  6. List of timber framing tools - Wikipedia

    en.wikipedia.org/wiki/List_of_timber_framing_tools

    Tools require sharpening and replacing handles. file (tool) sharpening stone; Grindstone (tool) hiring a blacksmith; mechanics tools for general repairs such as repairing power cords, changing bits, etc.

  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.

  8. Twist drill - Wikipedia

    en.wikipedia.org/?title=Twist_drill&redirect=no

    Twist drill. From Wikipedia, the free encyclopedia. Redirect page. Jump to navigation Jump to search. Redirect to: Drill bit#Twist drill bit; Retrieved from "https: ...

  9. 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 ...

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