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  2. Grinding wheel - Wikipedia

    en.wikipedia.org/wiki/Grinding_wheel

    Diamond mounted points: A grinding tool for non-metallic materials such as stone, porcelain and the like, and more particularly to a grinding tool using a diamond alloy as a grinding body comprising a substrate and a plurality of grinding bodies, And the substrate is preferably made of an adhesive material having a certain toughness, and the ...

  3. Chuck (engineering) - Wikipedia

    en.wikipedia.org/wiki/Chuck_(engineering)

    A drill chuck is a specialised self-centering, three-jaw chuck, usually with capacity of 0.5 in (13 mm) or less, and rarely greater than 1 in (25 mm), used to hold drill bits or other rotary tools. This type of chuck is used on tools ranging from professional equipment to inexpensive hand and power drills for domestic use.

  4. Machine taper - Wikipedia

    en.wikipedia.org/wiki/Machine_taper

    BT (MAS 403/ JIS B6339 / ISO 7388-2)- Japanese originated standard, derivative of ANSI B5.50. This is most common toolholder design used in east Asia. Also not readily compatible with CAT-V. They can be hand-loaded into cat-V spindle if a pull-stud adapter with metric threads is used, but do not work with tool changers used for the same.

  5. 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.

  6. Ground stone - Wikipedia

    en.wikipedia.org/wiki/Ground_stone

    In archaeology, ground stone is a category of stone tool formed by the grinding of a coarse-grained tool stone, either purposely or incidentally. Ground stone tools are usually made of basalt , rhyolite , granite , or other cryptocrystalline and igneous stones whose coarse structure makes them ideal for grinding other materials, including ...

  7. Tap and die - Wikipedia

    en.wikipedia.org/wiki/Tap_and_die

    US tap and drill bit size and reference chart [7] Machine screw size Number of threads per inch (TPI) Major diameter Minor diameter Tap drills Clearance drill 75% thread for aluminum, brass, & plastics 50% thread for steel, stainless, & iron Close fit Free fit Drill size Decimal equiv. Drill size Decimal equiv. Drill size Decimal equiv. Drill size