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1/4-20 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.

6 results, (click on any line for more information)

Search Results Sponsored by Perigee Manufacturing, your source for Castellated Nuts. For more results, visit   perigeemfg.com
SupplierLocTypeMaterialFinishSizeDescriptionQty 
PerigeeMICastle Nut (Hex)Grade ACadmium1/4-20 x 7/16 x 9/321/4-20 x 7/16 x 9/32 hex castle nut b18.2.293
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WeaverWACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 castle nut 18-8 ss23
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LibertyILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20hex castle nut 18-8 s/s 18-8 s/s25
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HBBOLTCACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20castle nuts 18-8ss135
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PerigeeMICastle Nut (Hex)Grade ACadmium1/4-20 x 7/16 x 9/321/4-20 x 7/16 x 9/32 hex castle nut b18.2.293
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HayesCACastle Nut (Hex)BrassPlain1/4-201/4-20 castle nut brass80
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Fastener OHCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20hex castle nut 1/4-20 18.8 50
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