7/16-20 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.

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Search Results Sponsored by Perigee Manufacturing, your source for Castellated Nuts. For more results, visit   perigeemfg.com
SupplierLocTypeMaterialFinishSizeDescriptionQty 
PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Cadmium/Yellow7/16-20castellated airframe nut an310c7 b18.2.21308
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-20castellated hex shear nut an320c7 b18.2.21612
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PerigeeMICastle Nut (Hex)Grade APlain7/16-20 x 11/16 x 29/64hex castle nut b18.2.2229
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METRO INDOHCastle Nut (Hex)SteelPlain7/16-20castle nut sae458
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NutsBoltsNECastle Nut (Hex)SteelZinc/Clear7/16-207/16-20 castle nut zp70
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AmericanNYCastle Nut (Hex)BrassPlain7/16-20castle nut pl500
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CenturyFLCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-20an320c79
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Cadmium/Yellow7/16-20castellated airframe nut an310c7 b18.2.21308
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-20castellated hex shear nut an320c7 b18.2.21612
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PerigeeMICastle Nut (Hex)Grade APlain7/16-20 x 11/16 x 29/64hex castle nut b18.2.2229
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DeltaTXCastle Nut (Hex)SteelZinc/Clear7/16-20fin castle nut steel zinc nf 7/16-20589
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HBBOLTCACastle Nut (Hex)SteelZinc/Clear7/16-20castle nut189
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MFSKSCastle Nut (Hex)SteelPlain7/16-20castle nut119
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MFSKSCastle Nut (Hex)SteelPlain7/16-20small pattern castle nut283
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MFSKSCastle Nut (Hex)SteelZinc/Yellow7/16-20castle nut36
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GLFOHCastle Nut (Hex)Grade 5Plain7/16-20castle nut stl400
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Kanebridge ILCastle Nut (Hex)SteelZinc/Clear7/16-207/16-20 castle nut zinc5,000
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Kanebridge ILCastle Nut (Hex)Grade 5Zinc/Clear7/16-207/16-20 castle nut grade 5 zinc5,000
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All SizeTXCastle Nut (Hex)SteelPlain7/16-207/16-20 slotted castle nut b18.2.215
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TimberlineCOCastle Nut (Hex)SteelPlain7/16-20hx cstl nut 7/16-2024
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Alma BoltMICastle Nut (Hex)SteelPlain7/16-20castle nut2594
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