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  2. Engineering drawing abbreviations and symbols - Wikipedia

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

    A general note applies generally and is not called out with flags. 2. Find number: "FN" meaning "find number" refers to the ordinal number that gives an ID tag to one of the constituents in a parts list (list of materials, bill of materials). Thus "fasten using FN7" refers to a fastener that is "find number" 7 in the list. FoS: feature of size

  3. List of screw and bolt types - Wikipedia

    en.wikipedia.org/wiki/List_of_screw_and_bolt_types

    A fastener comprising a mated pair of screw and post (binding barrel), which are a machine screw and a nut that is barrel-shaped. The nut has a flange and a protruding boss that is internally threaded. The bolt (mated pair, screw and post) sits within the components being fastened, and the flange provides the bearing surface.

  4. Robertson screw - Wikipedia

    en.wikipedia.org/wiki/Robertson_screw

    Combination Robertson/Phillips/slotted fasteners are often used in the electrical trade, particularly for device and circuit breaker terminals, as well as clamp connectors. Robertson screwdrivers are easy to use one-handed, because the tapered socket tends to retain the screw, even if it is shaken.

  5. Hook-and-loop fastener - Wikipedia

    en.wikipedia.org/wiki/Hook-and-loop_fastener

    Hook-and-loop fasteners, commonly known as Velcro (a genericized trademark), hook-and-pile fasteners or touch fasteners are versatile fastening devices that allow two surfaces to be repeatedly attached and detached with ease. Invented in the mid-20th century, they are widely used in clothing, accessories, and various industrial and consumer ...

  6. Roto North America - Wikipedia

    en.wikipedia.org/wiki/Roto_North_America

    Roto Fasco Canada, Inc. was established in 1956 as Fasco Diecast Metals in Mississauga, Ontario. [4] The company was acquired in 2012 by Roto AG and operated by Roto North America. [4] It is now a producer of sliding patio door and cam lock hardware for residential and commercial window and door markets throughout North America. [4]

  7. Bolt (fastener) - Wikipedia

    en.wikipedia.org/wiki/Bolt_(fastener)

    This definition allows ambiguity in the description of a fastener depending on the application it is actually used for, and the terms screw and bolt are widely used by different people or in different countries to apply to the same or varying fastener. In British terminology, a cap screw is a bolt that has threads all the way to the head.

  8. National Aerospace Standard - Wikipedia

    en.wikipedia.org/wiki/National_Aerospace_Standard

    Since 1938, NASC has developed more than 2,600 standards for aerospace fasteners and other mechanical parts. Personnel from the defense services, Defense Industrial Supply Center and Defense Electronics Supply Center participate in the preparation of NAS standards, and liaison is maintained with the FAA, NASA , AIA Canada , and the airlines.

  9. Clevis fastener - Wikipedia

    en.wikipedia.org/wiki/Clevis_fastener

    Clevises are used in a wide variety of fasteners used in farming equipment and sailboat rigging, as well as the automotive, aircraft and construction industries. They are also widely used to attach control surfaces and other accessories to servo controls in airworthy model aircraft. As a part of a fastener, a clevis provides a method of ...