5/8-18 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.

23 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)SteelCadmium/Yellow5/8-18 x 1 x 23/32castellated airframe nut an310c10 b18.2.289
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated5/8-18 x 1 x 5/16castellated shear nut an320c10 b18.2.21101
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PerigeeMICastle Nut (Hex)SteelCadmium/Yellow5/8-18 x 1 x 23/32castellated airframe nut an310c10 b18.2.21020
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PerigeeMICastle Nut (Hex)Grade 2Zinc/Clear5/8-18 x 15/16 x 23/32hex castle nut b18.2.2402
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Buy Castellated Nuts from one of our FCH Network Members
CenturyFLCastle Nut (Hex)SteelCadmium/Yellow5/8-18an320-108
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CenturyFLCastle Nut (Hex)SteelZinc/Clear5/8-185/8-18 castle nut stl zinc250
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YANKEENHCastle Nut (Hex)SteelPlain5/8-185/8-18 hex castle slotted nut plain steel27
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NutsBoltsNECastle Nut (Hex)SteelPlain5/8-185/8-18 castle nut plain31
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PerigeeMICastle Nut (Hex)SteelCadmium/Yellow5/8-18 x 1 x 23/32castellated airframe nut an310c10 b18.2.289
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated5/8-18 x 1 x 5/16castellated shear nut an320c10 b18.2.21101
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PerigeeMICastle Nut (Hex)SteelCadmium/Yellow5/8-18 x 1 x 23/32castellated airframe nut an310c10 b18.2.21020
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PerigeeMICastle Nut (Hex)Grade 2Zinc/Clear5/8-18 x 15/16 x 23/32hex castle nut b18.2.2402
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SRFALCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-18castle nut s/s-
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SRFALCastle Nut (Hex)SteelZinc/Clear5/8-18castle nut-
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SRFALCastle Nut (Hex)SteelPlain5/8-18castle nut10
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RCFastAZCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-18castle nut 18-8 304inquire
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RCFastAZCastle Nut (Hex)SteelPlain5/8-18castle nut stlinquire
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HBBOLTCACastle Nut (Hex)SteelZinc/Clear5/8-18castle nut86
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SISAZCastle Nut (Hex)SteelPlain5/8-18castle hex nut25
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WSBKYCastle Nut (Hex)Grade 5Plain5/8-18nut hex castle gr5 (pl) 5/8-18 b18.2.23,260
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LibertyILCastle Nut (Hex)SteelZinc/Clear5/8-18hex castle nut20
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GLFOHCastle Nut (Hex)Grade 5Plain5/8-18castle nut stl198
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Kanebridge ILCastle Nut (Hex)SteelZinc/Clear5/8-185/8-18 castle nut zinc3.750
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Kanebridge ILCastle Nut (Hex)Grade 5Zinc/Clear5/8-185/8-18 castle nut grade 5 zinc3.750
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All SizeTXCastle Nut (Hex)SteelPlain5/8-185/8-18 slotted castle nut b18.2.299
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TimberlineCOCastle Nut (Hex)SteelPlain5/8-18hx cstl nut 5/8-1815
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Alma BoltMICastle Nut (Hex)Grade 5Plain5/8-18SAE () castle nut361
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