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Castellated Nuts , 300 Stainless (A1,A2, 18-8,304,310 etc.)

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/Yellow3/8-243/8-24 x 9/16 x 13/32 hex castellated airframe nut b18.2.2363
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Cadmium/Yellow5/16-245/16-24 x 1/2 x 21/64 hex castellated airframe nut b18.2.21095
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Cadmium/Yellow1/4-281/4-28 x 7/16 x 9/32 hex castellated airframe nut b18.2.24533
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Cadmium/Yellow5/16-245/16-24 x 1/2 x 21/64 hex castellated airframe nut b18.2.24863
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Buy Castellated Nuts from one of our FCH Network Members
CenturyFLCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32an320c3 234
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CenturyFLCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24an320c6 58
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CenturyFLCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Cadmium/Yellow5/16-24an310c5 nut9
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CenturyFLCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28ms21225-4 nut self locking hex hd2
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CenturyFLCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Cadmium/Yellow1/4-28an310c4 castle nut413
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CenturyFLCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-20an320c7 nut9
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GLFOHCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain9/16-189/16-18 castle nut 18-8 s/s5
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CenturyFLCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24an320c5 nut cstl shear26
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CenturyFLCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Cadmium/Yellow#10-32an310c3 castle nut5
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MAINSOURCNHCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated9/16-18 x 7/8 x 39/64an310c9 (9/16-18 unf 3b castle nut ss)6
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JacksonMSCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-81-8 nc castle slotted nut18-8 stainless steel6
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JacksonMSCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/8-71 1/8-7 nc castle slotted nut18-8 stainless steel6
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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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WeaverWACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 castle nut 18-8 ss30
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WeaverWACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 castle nut 18-8 ss23
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WeaverWACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 castle nut 18-8 ss9
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WeaverWACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 castle nut 18-8 ss20
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JacksonMSCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/8-71-1/8-7 nc hex castle nut stainess steel6
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METRO INDOHCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM10castle nut s/s din 93524
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METRO INDOHCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8slotted hex nut s/s din 93535
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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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JacksonMSCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-8hex castle nut stainess6
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HayesCACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-103/4-10 castle nut 18-8ss13
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HayesCACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 castle nut 18-8ss3
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HayesCACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 castle nut 18-8ss22
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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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YANKEENHCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 hex castle slotted nut 18-8 stainless steel7
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AIHAZCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 unf 3a nut s/s 304ss AN310C512
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AIHAZCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-281/4-28-3b nut s/s pass 304ss AN320C455
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NAPPCOTXCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7 7/16-20310c7 7/16-20 hex castle nut s/s 18-8 206
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NAPPCOTXCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24hex castle nut s/s 18-8 5/16-24 115
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FasSpcMfgFLCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-207/16-20 hex castle nut304 stainless steelwidth a/f 11/16-.675/.688width a/c .768/.794thickness 29/64-.463/.444unslotted thickness and height of flat 19/64-.31/.29slot width .120/.150min. slot depth .130radius of fillet .094diameter of cylindrical portion .582mindimensions per ansi b18.2.2 19701
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OneMonroeNCCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 hex finished castle nut stainless59
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EurolinkSCCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM18m18 din 935 a2 stainless steel hex slotted / castle nutinquire
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EurolinkSCCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8m8 din 979 a2-50 stainless steel hex thin slotted / castle nutinquire
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EurolinkSCCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8m8 din 935 a2 stainless steel hex slotted / castle nut hex slotted / castle nutinquire
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EurolinkSCCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM16m16 din 935 a2 stainless steel hex slotted / castle nut hex slotted / castle nutinquire
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EurolinkSCCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM20m20 din 935 a2 stainless steel hex slotted / castle nut hex slotted / castle nutinquire
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EurolinkSCCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6m6 din 935 a2 stainless steel hex slotted / castle nut hex slotted / castle nutinquire
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EurolinkSCCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM12m12 din 935 a2 stainless steel hex slotted / castle nut hex slotted / castle nutinquire
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EurolinkSCCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM10m10 din 937 a2 stainless steel hex jam nut hex jam nutinquire
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Alma BoltMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16/2018 | st. st. castle nut13
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Alma BoltMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#88-jan | st. st. castle nut6
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Alma BoltMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#88-jan | st. st. castle nut277
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Alma BoltMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16/2024 | st. st. castle nut24
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Alma BoltMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM20-2.50m20 x 2.5 st st a2 | castle nut din 9354
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Alma BoltMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-243/8-24 sae | st. st. castle nut25
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OneMonroeMACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 hex finished castle nut stainless59
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LibertyILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainAN310-C4 1/4-28 CASTLE NUT STAINLESS STEEL PER PRINT PARTS ARE MIXED ***PARTS ARE MIXED*** AN310-C4MIXED2,200
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LibertyILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Cadmium/Yellow1/4-28an310-c4 1/4-28 castle nut ss 304ss1,966
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LibertyILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32hex castle nut 18-8 s/s100
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LibertyILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11hex castle nut 18-8 s/s 18-8 s/s4
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LibertyILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28hex castle nut 18-8 s/s 18-8 s/s1,050
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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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Field FasILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 castle nut 18-8 ss400
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Raw ProduNJCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11castle nuts 304 ss 5/8-11106
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Raw ProduNJCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32castle nuts 304 ss #10-3240
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Raw ProduNJCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24castle nuts 304 ss 3/8-249
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Raw ProduNJCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18castle nuts 304 ss 5/16-18207
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Raw ProduNJCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-24castle nuts 304 ss #10-2498
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Raw ProduNJCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-18castle nuts 304 ss 5/8-1883
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Raw ProduNJCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28castle nuts 304 ss 1/4-2826
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Raw ProduNJCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-16castle nuts 304 ss 3/4-1647
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Raw ProduNJCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-8castle nuts 304 ss 1-823
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Raw ProduNJCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-9castle nuts 304 ss 7/8-936
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Raw ProduNJCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-20castle nuts 304 ss 7/16-2086
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Raw ProduNJCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13castle nuts 304 ss 1/2-1330
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Raw ProduNJCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10castle nuts 304 ss 3/4-10350
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Raw ProduNJCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16castle nuts 304 ss 3/8-1648
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Raw ProduNJCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20castle nuts 304 ss 1/2-20187
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Raw ProduNJCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20castle nuts 304 ss 1/4-2096
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Raw ProduNJCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24castle nuts 304 ss 5/16-2424
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AmericanNYCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/4-12castle nut 18-8 30441
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QCSORCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 hex castle nut stainless50
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Fastener OHCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11hex castle nut 5/8-11 18.8 4
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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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Alma BoltMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8/20163/8/2016 | st. st. castle nutnull
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Alma BoltMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2/20131/2/2013 | st. st. castle nutnull
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Alma BoltMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8/20115/8/2011 | st. st. castle nutnull
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Alma BoltMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8/20115/8/2011 | st. st. castle nutnull
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OlanderCACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 hx castle nut sst rohs541
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MFSKSCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#1/4-28castle nut33
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MidStatesMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18castle nut 18-850
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MTPCACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Zinc/ClearM18-8.00M18 8 zn castle nuts din 937-clstock
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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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HBBOLTCACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13castle nut 18-8ss153
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HBBOLTCACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20castle nut 18-8ss136
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HBBOLTCACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28castle nut 18-8 ss68
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HBBOLTCACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11castle nut 18-85
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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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HBBOLTCACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24castle nut 18-8 ss5
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HBBOLTCACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24castle nut 18-8113
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DeltaTXCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28fin castle nut 18-8 sst nf 1/4-28 (FINE THREAD)80
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DeltaTXCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24fin castle nut 18-8 sst nf 3/8-24 (FINE THREAD)53
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DeltaTXCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32fin castle nut 18-8 sst nf 10-3297
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DeltaTXCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13fin castle nut 18-8 sst 1/2-1354
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MMCCILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6-1.00slotted/castellated nut din 935 a2 s/s plain9
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MMCCILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM20-2.50slotted/castellated nut din 935 a2 s/s plain13
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MMCCILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM16-2.00low slotted/castellated nut din 937 a2 s/s plain26
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MMCCILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM30-2.00slotted/castellated nut din 935 a2 s/s plain3
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MMCCILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8-1.25m8x1.25 slotted/castellated nut din 935 a2 s/sinquire
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MMCCILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM10-1.50m10x1.5 slotted/castellated nut din 935 a2 s/sinquire
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MMCCILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM16-2.00m16x2 slotted/castellated nut din 935 a2 s/sinquire
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MMCCILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM14-2.00m14x2 slotted/castellated nut din 935 a2 s/sinquire
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MMCCILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM30-3.50m30x3.5 slotted/castellated nut din 935 a2 s/sinquire
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MMCCILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM24-3.00m24x3 slotted/castellated nut din 935 a2 s/sinquire
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MMCCILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8-1.25m8x1.25 low slotted/castellated nut din 937 a2 s/sinquire
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MMCCILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM10-1.50m10x1.5 low slotted/castellated nut din 937 a2 s/sinquire
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MMCCILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM14-2.00m14x2 low slotted/castellated nut din 937 a2 s/sinquire
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MMCCILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM12-1.75m12x1.75 low slotted/castellated nut din 937 a2 s/sinquire
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MMCCILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM6-1.00m6x1 low slotted/castellated nut din 937 a2 s/sinquire
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MMCCILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM24-3.00m24x3 low slotted/castellated nut din 937 a2 s/sinquire
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MMCCILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM20-2.50m20x2.5 low slotted/castellated nut din 937 a2 s/sinquire
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MMCCILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM18-2.50m18x2.5 low slotted/castellated nut din 937 a2 s/sinquire
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MMCCILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM20-2.50m20x2.5 castellated nut a2 din 979inquire
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MMCCILCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8-1.25m8x1.25 castellated nut a2 din 979inquire
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WDMBIACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24nut hex castle (18 8) 3/8-24 spc (W030) (W030)550
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HodellOHCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 castle nut 18-8 s/s nc250
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HodellOHCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 castle nut 18-8 s/s nc250
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SISAZCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Cadmium/Yellow #10-323/8 hex non-locking castellated nut full height cad ii 304ss AN310C375
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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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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Cadmium/Yellow3/8-243/8-24 x 9/16 x 13/32 hex castellated airframe nut b18.2.2363
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Cadmium/Yellow5/16-245/16-24 x 1/2 x 21/64 hex castellated airframe nut b18.2.21095
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Cadmium/Yellow1/4-281/4-28 x 7/16 x 9/32 hex castellated airframe nut b18.2.24533
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Cadmium/Yellow5/16-245/16-24 x 1/2 x 21/64 hex castellated airframe nut b18.2.24863
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Cadmium/Yellow3/8-243/8-24 x 9/16 x 13/32 hex castellated airframe nut b18.2.2971
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated1-14 x 1 1/2 x 11-14 x 1-1/2 x 1 castellated airframe nut b18.2.222
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated1-14 x 1 1/2 x 11-14 x 1-1/2 x 1 castellated airframe nut b18.2.219
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Cadmium/Yellow7/16-207/16-20 x 5/8 x 29/64 castellated airframe nut b18.2.21308
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PerigeeMICastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated9/16-18 x 7/8 x 39/649/16-18 x 7/8 x 39/64 castellated airframe nut b18.2.214
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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.)Passivated5/8-18 x 1 x 5/165/8-18 x 1 x 5/16 castellated shear nut b18.2.21101
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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)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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SRFALCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11castle nut s/s-
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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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OBRIENOHCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16hex castle nut 18-8 30410
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OBRIENOHCastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM8-1.25hex castle nut j995 a2/18-8 s/s din 935139
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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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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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RevcarVACastle Nut (Hex)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-16fin castle nut 18.8ss20
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