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2. List of screw and bolt types - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_and_bolt_types

   sex bolt, Chicago screw: 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 ...

3. 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.

4. Zinc flake coating - Wikipedia

   en.wikipedia.org/wiki/Zinc_flake_coating

   Good friction characteristics (on bolts and nuts) No warm-loosening torque; No risk for high-strength fasteners of any hydrogen embrittlement; Electric conductivity; Other assembly properties; The requirements of the automotive industry have set new objectives. Corrosion protection and appearance are no longer the only and most important ...

5. Fastener - Wikipedia

   en.wikipedia.org/wiki/Fastener

   Typical fasteners (US quarter shown for scale) A fastener (US English) or fastening (UK English) [1] is a hardware device that mechanically joins or affixes two or more objects together. In general, fasteners are used to create non-permanent joints; that is, joints that can be removed or dismantled without damaging the joining components. [2]

6. Chromate conversion coating - Wikipedia

   en.wikipedia.org/wiki/Chromate_conversion_coating

   Chromate conversion coatings are commonly applied to items such as screws, hardware and tools. They usually impart a distinctively iridescent, greenish-yellow color to otherwise white or gray metals. The coating has a complex composition including chromium salts, and a complex structure. [2]

7. Fastenal - Wikipedia

   en.wikipedia.org/wiki/Fastenal

   2018 Bolt Award winning branch located in Quakertown, PA Fastenal first sold mostly fasteners such as screws , threaded rods , and nuts , which are used in construction and manufacturing. [ 6 ] Today's product range is more diverse, and the company had a total of 690,000 individual products as of 2010. [ 5 ]