3/8-16 Castellated Nuts

Hex Castle Nuts or Castellated Nuts have notches on one end, which resemble the serrated tops of castle parapets. These nuts are used with a bolt with cross-drilled holes, so that a cotter pin can pass through the nut and into a hole in a bolt shank, thus preventing the nut from loosening. The notched end is turned down slightly, allowing the cotter pin to be bent around the nut. Often used in machinery, shafts and automotive applications.

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Search Results Sponsored by Perigee Manufacturing, your source for Castellated Nuts. For more results, visit   perigeemfg.com
SupplierLocTypeMaterialFinishSizeDescriptionQty 
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HayesCACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 castle nut 18-8ss16
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JacksonMSCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16hex castle nut 18-8 30414
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TownCountryARCastle Nut (Hex)SteelPlain3/8-163/8-16 castle nut plaininquire
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HBBOLTCACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16castle nut 18-8 ss205
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OBRIENOHCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16hex castle nut 18-8 30410
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LibertyILCastle Nut (Hex)SteelZinc/Clear3/8-16castle nut plate780
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Kanebridge ILCastle Nut (Hex)SteelZinc/Clear3/8-163/8-16 castle nut zinc5,000
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AccutiteCACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16slotted castle hex nut 18-8 30433
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