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  2. Nut (hardware) - Wikipedia

    en.wikipedia.org/wiki/Nut_(hardware)

    The cage has two wings that when compressed allow the cage to be inserted into the square holes Clip-on nut: J-nut or U-nut, sheet metal nut, speed nut (ambiguously) Designed to be clipped to sheet metal Coupling nut: Extension nut A threaded fastener for joining two male threads, most commonly a threaded rod,[1][2] but also pipes Flange nut ...

  3. Engineering drawing abbreviations and symbols - Wikipedia

    en.wikipedia.org/wiki/Engineering_drawing...

    The Pitch Circle Diameter (PCD) is the diameter of that circle that passes through the center of all the bolt holes or wheel bolts or wheel rim holes or studs. The best example is Flanges, there are multiple holes in the Flanges, the circle through the center of these holes is known as the pitch circle, and the diameter of this circle is known ...

  4. Flange nut - Wikipedia

    en.wikipedia.org/wiki/Flange_nut

    A self-aligning nut, also known as a spherical nut [2] or leveling nut, is a type of nut used in applications where the fastener is not perpendicular to the surface to which the nut anchors. A flange nut is used inside a specially shaped dished-out washer. The device is commonly used in the aerospace industry.

  5. Bolted joint - Wikipedia

    en.wikipedia.org/wiki/Bolted_joint

    EN 1515-2: "Flanges and their joints — Bolting — Part 3: Classification of bolt materials for steel flanges, class designated" ISO 4014: "Hexagon head bolts - Product grades A and B" ISO 4017: "Hexagon head screws - Product grades A and B" ISO 4032: "Hexagon nuts, style 1 - Product grades A and B"

  6. ISO metric screw thread - Wikipedia

    en.wikipedia.org/wiki/ISO_metric_screw_thread

    Hexagonal (generally abbreviated to "hex") head widths (width across flats, spanner size) are for DIN 934 hex nuts and hex head bolts. Other (usually smaller) sizes may occur to reduce weight or cost, including the small series flange bolts defined in ISO 4162 which typically have hexagonal head sizes corresponding to the smaller 1st choice ...

  7. Vero Software - Wikipedia

    en.wikipedia.org/wiki/Vero_Software

    Edgecam: a production CAM software for milling, turning and mill-turn machining. Surfcam: is a CNC Programming software for 2 axis to 5 axis machining. Machining Strategist: is a 3D CAM software for roughing and finishing CNC toolpaths . MOLD & DIE / AUTOMOTIVE: VISI: is a CAD/CAM software for the mould & die manufacturing industry.

  8. List of screw and bolt types - Wikipedia

    en.wikipedia.org/wiki/List_of_screw_and_bolt_types

    They may either have a Phillips flat head or a slotted hex washer head. Nominal (thread) sizes range from 0.1875 to 0.375 in (4.763 to 9.525 mm) and lengths from 1.25 to 5 in (32 to 127 mm). Typically an installer uses a hammer drill to make a pilot hole for each concrete screw and a powered impact driver to drive the screw. The drill hole ...

  9. Jet nut - Wikipedia

    en.wikipedia.org/wiki/Jet_nut

    A jet nut, [1] also known as a k-nut, [1] [2] [3] is a special type of hex locknut that is commonly used in the aerospace and automotive racing industries. [3]It has a flange on one end of the nut, the hex is smaller than a standard sized hex nut, and it is shorter than a standard hex nut.