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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.
Serrated face nut. A serrated face nut is a locknut with ridges on the face of the nut that bite into the surface it is tightened against. The serrations are angled such that they keep the nut from rotating in the direction that would loosen the nut. Due to the serrations they cannot be used with a washer or on surfaces that cannot be scratched ...
In past decades attempts to protect concrete have included sealers ranging from wax to linseed oil. Today, high quality concrete sealers can block up to 99% of surface moisture. There are two main sealer categories: topical sealers (coatings) and penetrating sealers (reactive).
Keps nut (K-nut or washer nut) with a free-spinning washer. In the locknut form, this is a star-type lock washer. Plate nut; Polymer insert nut ; Security locknut All steel reusable nut for high vibration and harsh environments. Serrated face nut; Serrated flange nut; Speed nut (sheet metal nut or Tinnerman nut) Split beam nut (BINX nut [5])
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: Collar nut Has a wide flange at one end that acts as an integrated washer HARDLOCK Nut [3] Eccentric Double Nut
Retrieved from "https://en.wikipedia.org/w/index.php?title=Serrated_flange_nut&oldid=352998244"This page was last edited on 30 March 2010, at 18:31
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