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Castellated Nuts , Plain (ASME B18. 2.2)

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.)Plain5/16-245/16-24 x 1/2 x 3/16 hex castellated shear nut b18.2.22960
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 x 3/4 x 1/4 castellated hex shear nut b18.2.21153
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain9/16-189/16-18 x 7/8 x 5/16 castellated hex shear nut b18.2.2436
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 x 3/4 x 1/4 castellated hex shear nut b18.2.22430
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GLFOHCastle Nut (Hex)Grade 5Plain7/16-207/16-20 castle nut grade 5 stl pln b18.2.2 () () ()81
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GLFOHCastle Nut (Hex)Grade 5Plain7/8-147/8-14 castle nut grade 5 stl pln b18.2.2 () () ()40
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StandardMACastle Nut (Hex)BrassPlain1-81-8 castle nut brass b18.2.258
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StandardMACastle Nut (Hex)BrassPlain1-141-14 castle nut brass b18.2.226
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StandardMACastle Nut (Hex)BrassPlain1/2-131/2-13 castle nut brass b18.2.23
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CascadeORCastle Nut (Hex)SteelPlain5/16-24castle s b18.2.22100
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B & K FASTPACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-103/4-10 castle hex nuts 18-8 b18.2.22
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General FMICastle Nut (Hex)SteelPlain3/4-163/4-16 castle nut ps508 5d96/24 b18.2.22,049
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OSSCORICastle Nut (Hex)SteelPlain5/16-245/16-24 castle nut b18.2.295
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OSSCORICastle Nut (Hex)SteelPlain7/16-207/16-20 castle nut b18.2.22,323
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 x 1/2 x 3/16 hex castellated shear nut b18.2.22960
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 x 3/4 x 1/4 castellated hex shear nut b18.2.21153
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain9/16-189/16-18 x 7/8 x 5/16 castellated hex shear nut b18.2.2436
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 x 3/4 x 1/4 castellated hex shear nut b18.2.22430
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-207/16-20 x 5/8 x 7/32 castellated hex shear nut b18.2.210
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PerigeeMICastle Nut (Hex)Grade APlain7/16-20 x 11/16 x 29/647/16-20 x 11/16 x 29/64 hex castle nut b18.2.2229
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PerigeeMICastle Nut (Hex)Grade APlain5/16-18 x 1/2 x 21/645/16-18 x 1/2 x 21/64 hex castle nut b18.2.248
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-167/8-14 x 1-5/16 x 7/16 castellated hex shear nut b18.2.21765
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-163/4-16 x 1-1/8 x 3/8 hex castellated shear nut b18.2.21346
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PerigeeMICastle Nut (Hex)SteelPlain7/8-14 x 1 5/16 x 7/167/8-14 x 1-5/16 x 7/16 hex castellated shear nut b18.2.21390
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PerigeeMICastle Nut (Hex)Grade 5Plain7/8-14 x 1 1/4 x 1/27/8-14 x 1-1/4 x 1/2 hex castle nut b18.2.2193
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THRDFASTFLCastle Nut (Hex)SteelPlain5/16nf-24 castle nut b18.2.286
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THRDFASTFLCastle Nut (Hex)SteelPlain1 1/4nf-12 castle nut b18.2.22
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THRDFASTFLCastle Nut (Hex)SteelPlain11 nf-14 castle nut b18.2.215
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THRDFASTFLCastle Nut (Hex)SteelPlain9/16nf-18 castle nut b18.2.21
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THRDFASTALCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-818-8 ss castle nut b18.2.24
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THRDFASTALCastle Nut (Hex)316, 317, A4 StainlessPlain5/8nf-18 t-316 ss castle nut b18.2.216
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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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WSBKYCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24nut hex castle (18-8) 3/8-24 b18.2.2428
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WSBKYCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24nut hex castle (18-8) 3/8-24 b18.2.2274
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MMFMICastle Nut (Hex)SteelPlaincastle nut ms9358-14 usa b18.2.25
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MMFMICastle Nut (Hex)SteelPlaincastle nut ms9358-14 usa b18.2.25
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All SizeTXCastle Nut (Hex)SteelPlain1 1/8-71 1/8-7 slotted castle nut b18.2.249
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All SizeTXCastle Nut (Hex)SteelPlain5/16-185/16-18 slotted castle nut plain b18.2.24,690
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All SizeTXCastle Nut (Hex)SteelPlain5/8-185/8-18 slotted castle nut b18.2.299
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All SizeTXCastle Nut (Hex)SteelPlain7/16-207/16-20 slotted castle nut b18.2.215
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All SizeTXCastle Nut (Hex)SteelPlain5/16-245/16-24 slotted castle nut b18.2.23,571
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All SizeTXCastle Nut (Hex)SteelPlain1/2-201/2-20 slotted castle nut b18.2.21,261
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All SizeTXCastle Nut (Hex)SteelPlain1/2-201/2-20 slotted high castle nut b18.2.21,271
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All SizeTXCastle Nut (Hex)SteelPlain5/16-245/16-24 slotted castle nut plain b18.2.2458
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