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  2. Fastener - Wikipedia

    en.wikipedia.org/wiki/Fastener

    Structural bolt DIN 6914 with DIN 6916 washer and UNI 5587 nut. A threaded fastener has internal or external screw threads. [7] The most common types are the screw, nut and bolt, possibly involving washers. Other more specialized types of threaded fasteners include captive threaded fasteners, stud, threaded inserts, and threaded rods.

  3. Nut (hardware) - Wikipedia

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

    Sex bolt: Barrel nut, barrel bolt, binding barrel, Chicago screw, post and screw or connector bolt Has a barrel-shaped flange and protruding boss that is internally threaded Split nut: Split lengthwise into two pieces (opposed halves) so that its female thread may be opened and closed over the male thread of a bolt or leadscrew Sleeve nut ...

  4. List of screw and bolt types - Wikipedia

    en.wikipedia.org/wiki/List_of_screw_and_bolt_types

    A special type of bolt that is set into concrete, with screw threads protruding above the concrete surface to accept a nut. breakaway bolt: A breakaway bolt is a bolt with a hollow threaded shank, which is designed to break away upon impact. Typically used to fasten fire hydrants, so they will break away when hit by a car. Also used in aircraft ...

  5. British Association screw threads - Wikipedia

    en.wikipedia.org/wiki/British_Association_screw...

    British Association screw threads, or BA screw threads, are a set of small screw threads, the largest being 0BA at 6 mm diameter.They were, and to some extent still are, used for miniature instruments and modelling.

  6. Bolt (fastener) - Wikipedia

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

    Hanger bolt - Bolt that has no head, machine threaded body followed by a wood threaded screw tip. Allow nuts to be attached to what is really a screw. Hex bolt - Bolt with a hexagonal head and threaded shank. Section immediately under head may be unthreaded for fastening thicker materials. J bolt - Bolt shaped like the letter J, used for tie downs.

  7. Sweet News: These Are the Most Popular Christmas Cookies in ...

    www.aol.com/lifestyle/sweet-news-most-popular...

    This map from Google Trends shows which Christmas cookies are the most searched for in America by state in 2024. See if your favorite made the list.

  8. Wingnut (hardware) - Wikipedia

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

    A wingnut, wing nut or butterfly nut is a type of nut with two large metal "wings", one on each side, so it can be easily tightened and loosened by hand without tools. A similar fastener with a male thread is known as a wing screw [ 1 ] [ 2 ] or a wing bolt .

  9. Industrial Fasteners Institute - Wikipedia

    en.wikipedia.org/wiki/Industrial_Fasteners_Institute

    In 1947, the institute criticized a War Assets Administration contract that sold 7.5 million dollars worth of metal fasteners for $22.50 per ton to one nut and bolt company. [10] The institute played a role in debates about proposals for the United States to convert to the metric system. As of 1973, the IFI had 60 members, who reportedly ...