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Cap Nuts, All ASME Grades of Steel (ASME B18. 2.2)

Acorn Nuts, also referred to as Crown Hex Nuts, Blind Nuts, Cap Nuts, Domed Cap Nuts, or Dome Nuts, are nuts with a domed end on one side to cover exposed internal threading. The name acorn nut comes from its shape.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
Irwin IndOntCap Nut (Acorn Nut)SteelPlain1/4-201/4-20 centerlock low carbon acorn nut 18.8 stainless steel b18.2.2407
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GLFOHCap Nut (Acorn Nut)SteelPlain3/4-163/4-16 outer standard cap nut rt hand thread 5/pk 12525 b18.2.2 () () ()5
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GLFOHCap Nut (Acorn Nut)SteelNickel Plated1/2-131/2-13 acorn nut stl nkl b18.2.2 () () ()28
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GLFOHCap Nut (Acorn Nut)SteelNickel Plated3/8-163/8-16 acorn nut stl nkl b18.2.2 () () ()802
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GLFOHCap Nut (Acorn Nut)SteelNickel Plated5/16-185/16-18 acorn nut stl nkl b18.2.2 () () ()381
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GLFOHCap Nut (Acorn Nut)SteelNickel Plated#6-32#6-32 acorn nut stl nkl b18.2.2 () () ()300
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GLFOHCap Nut (Acorn Nut)SteelZinc/Black1/4-201/4-20 special acorn nut w/lock stl zinc black b18.2.2 () () ()42760
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GLFOHCap Nut (Acorn Nut)SteelNickel Plated#10-24#10-24 acorn nut stl nkl b18.2.2 () () ()9980
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GLFOHCap Nut (Acorn Nut)SteelBlack Oxide1-14 1 7/161-14 acorn nut 1-7/16 waf 1-35/64 oah stl blk ox b18.2.2 () () ()925
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GLFOHCap Nut (Acorn Nut)SteelPlainCAP NUT MIL-SPEC MS24679-26 b18.2.2 () () ()50
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GLFOHCap Nut (Acorn Nut)SteelZinc/Clear1/4-201/4-20 acorn nut stl zc b18.2.2 () () ()1203
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AbabaCACap Nut (Acorn Nut)SteelNickel Plated#10-2410-24 acorn cap nut stl nkl b18.2.23931
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AbabaCACap Nut (Acorn Nut)SteelNickel Plated1/4-201/4-20 acorn cap nut stl nkl b18.2.24184
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AbabaCACap Nut (Acorn Nut)SteelNickel Plated5/16-185/16-18 acorn cap nut stl nkl b18.2.22100
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AbabaCACap Nut (Acorn Nut)SteelPlain5/16-245/16-24 acorn cap nut stl pln b18.2.223
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AbabaCACap Nut (Acorn Nut)SteelNickel Plated3/8-163/8-16 acorn cap nut stl nkl b18.2.2594
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AbabaCACap Nut (Acorn Nut)SteelBlack Oxide3/8-163/8-16 acorn cap nut stl blk ox wax b18.2.21150
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AbabaCACap Nut (Acorn Nut)SteelNickel Plated1/2-131/2-13 acorn cap nut stl nkl b18.2.2215
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AbabaCACap Nut (Acorn Nut)SteelPlain1/2-131/2-13 acorn cap nut high crown stl pln b18.2.250
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AbabaCACap Nut (Acorn Nut)SteelPlain5/16-185/16-18 nylon insert/cap locknut w/black cap b18.2.2872
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AbabaCACap Nut (Acorn Nut)SteelNickel Plated5/8-115/8-11 acorn cap nut stl nkl b18.2.2231
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AbabaCACap Nut (Acorn Nut)SteelPlain5/8-115/8-11 acorn cap nut high crown stl pln b18.2.2100
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AbabaCACap Nut (Acorn Nut)SteelNickel Plated#6-326-32 acorn cap nut stl nkl b18.2.27591
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AbabaCACap Nut (Acorn Nut)SteelNickel Plated#8-328-32 acorn cap nut stl nkl b18.2.21890
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AbabaCACap Nut (Acorn Nut)SteelNickel Plated#10-3210-32 acorn cap nut stl nkl b18.2.22897
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AbabaCACap Nut (Acorn Nut)SteelNickel Plated#10-2410-24 acorn cap nut stl nkl b18.2.2500
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AbabaCACap Nut (Acorn Nut)SteelNickel Plated1/4-201/4-20 acorn cap nut stl nkl b18.2.2400
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AbabaCACap Nut (Acorn Nut)SteelZinc/Clear1/4-201/4-20 acorn cap nut low crwn cntr-lok stl znc b18.2.21
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AbabaCACap Nut (Acorn Nut)SteelNickel Plated5/16-185/16-18 acorn cap nut stl nkl b18.2.2400
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AbabaCACap Nut (Acorn Nut)SteelNickel Plated3/8-163/8-16 acorn cap nut stl nkl b18.2.2200
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AbabaCACap Nut (Acorn Nut)SteelNickel Plated1/2-131/2-13 acorn cap nut stl nkl b18.2.2150
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SIIINCap Nut (Acorn Nut)SteelNickel Plated1/4-201/4-20 acorn nut nickel plate b18.2.22850
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SIIINCap Nut (Acorn Nut)SteelNickel Plated5/16-185/16-18 acorn nut nickel plate b18.2.21175
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SIIINCap Nut (Acorn Nut)SteelNickel Plated3/8-163/8-16 acorn nut 2 piece nickel plated b18.2.2120
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SIIINCap Nut (Acorn Nut)SteelNickel Plated#6-32#6-32 nickel plated acorn nut b18.2.21770
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QFCTXCap Nut (Acorn Nut)SteelNickel Plated#10-2410-24 acorn cap nut nickel plated b18.2.27252
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QFCTXCap Nut (Acorn Nut)SteelNickel Plated1/4-201/4-20 acorn cap nut nickel plated b18.2.2987
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QFCTXCap Nut (Acorn Nut)SteelGalvanized3/4-103/4-10 acorn nut steel galvanized b18.2.2150
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QFCTXCap Nut (Acorn Nut)SteelGalvanized3/4-103/4-10 acorn nut steel galvanized domestic b18.2.26
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QFCTXCap Nut (Acorn Nut)SteelGalvanized7/8-9 x 27/8-9 hvy hex nut hdg 2 h w/wax domestic (rocap) b18.2.250
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QFCTXCap Nut (Acorn Nut)SteelNickel Plated#10-2410-24 cap nut steel nickel b18.2.24000
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QFCTXCap Nut (Acorn Nut)SteelPlain5/1685/16m8 bolt head or nut cap white b18.2.2560
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QFCTXCap Nut (Acorn Nut)SteelPlain5/1685/16m8 bolt head or nut cap white b18.2.2220
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QFCTXCap Nut (Acorn Nut)SteelNickel Plated3/8-163/8-16 low crown cap nut steel nickel b18.2.21250
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QFCTXCap Nut (Acorn Nut)SteelNickel Plated3/8-163/8-16 low crown cap nut steel nickel b18.2.22746
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B & K FASTPACap Nut (Acorn Nut)SteelPlain3/8-163/8-16 acorn nuts high crown plain b18.2.217
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B & K FASTPACap Nut (Acorn Nut)SteelBlack Oxide1/2-131/2-13 acorn nuts black oxide b18.2.214
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B & K FASTPACap Nut (Acorn Nut)SteelPlain1/2-131/2-13 acorn nuts plain domestic b18.2.212
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B & K FASTPACap Nut (Acorn Nut)SteelPlain3/4-103/4-10 acorn nuts high crown plain b18.2.214
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B & K FASTPACap Nut (Acorn Nut)SteelNickel Plated1/4-201/4-20 acorn nuts nickel (cap) b18.2.22533
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B & K FASTPACap Nut (Acorn Nut)SteelPlain1/4-201/4-20 acorn nuts plain b18.2.2252
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B & K FASTPACap Nut (Acorn Nut)SteelZinc/Black1/4-281/4-28 acorn nuts black zinc b18.2.2900
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B & K FASTPACap Nut (Acorn Nut)SteelNickel Plated1/4-281/4-28 acorn nuts nickel b18.2.22000
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B & K FASTPACap Nut (Acorn Nut)SteelNickel Plated3/8-163/8-16 acorn nuts (cap) nickel b18.2.2195
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B & K FASTPACap Nut (Acorn Nut)SteelZinc/Clear3/8-163/8-16 acorn nuts low crown zinc b18.2.2845
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JET FITTINGCACap Nut (Acorn Nut)SteelBlack Oxide1/4-201/4-20 closed end acorn nuts low crown steel black oxide quantity 2000 b18.2.22000
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JET FITTINGCACap Nut (Acorn Nut)SteelNickel Plated5/16-18nut acorn 5/16-18 steel nickel plated b18.2.21300
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JET FITTINGCACap Nut (Acorn Nut)SteelZinc/Clear5/16-185/16-18 hex acorn nut steel zinc b18.2.21645
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JET FITTINGCACap Nut (Acorn Nut)SteelCadmium5/16-245/16-24 hex acorn lock nut steel cadmium b18.2.2450
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JET FITTINGCACap Nut (Acorn Nut)SteelNickel Plated3/8-16 x 23/8-16 hex acorn 2-piece nut steel nickel b18.2.2150
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JET FITTINGCACap Nut (Acorn Nut)SteelNickel Plated#8-32nut acorn 832 nickel plated b18.2.28765
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JET FITTINGCACap Nut (Acorn Nut)SteelNickel Plated#8-32nut acorn 832 steel nickle plated b18.2.21440
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JET FITTINGCACap Nut (Acorn Nut)SteelPlainkit includes dpn239-098 collector lock collar dpn239-152 collector end nut dpn239-155 collector lock dpn239-156 collector end dpn239-167 collector end cap dpn239-168 collector silencer dpn275-036 collector body dpn900-018 o-ring dpn900-020 o-ring dpn903-001 flat head cap b18.2.21
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JET FITTINGCACap Nut (Acorn Nut)SteelBlack Oxide3/8-163/8-16 closed end acorn nuts low crown steel black oxide b18.2.2900
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JET FITTINGCACap Nut (Acorn Nut)SteelChrome Plated1/4-201/4-20 high crown acorn nut st eel chrome b18.2.2325
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JET FITTINGCACap Nut (Acorn Nut)SteelNickel Plated#10-32nut acorn 1032 np hi-crown rohs compliant b18.2.2479
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THRDFASTFLCap Nut (Acorn Nut)SteelZinc/Clear5/8-11acorn cap nut b18.2.2315
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THRDFASTFLCap Nut (Acorn Nut)SteelZinc/Clear10nf-32 acorn cap nut b18.2.2119
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THRDFASTFLCap Nut (Acorn Nut)SteelZinc/Clear1 1/2-6acorn cap nut b18.2.244
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THRDFASTFLCap Nut (Acorn Nut)SteelZinc/Clear1-8acorn cap nut b18.2.215
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THRDFASTFLCap Nut (Acorn Nut)SteelZinc/Clear3/4-10acorn cap nut b18.2.26
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THRDFASTFLCap Nut (Acorn Nut)SteelZinc/Clear1/4-20acorn cap nut b18.2.22,364
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THRDFASTFLCap Nut (Acorn Nut)SteelZinc/Clear5/16-18acorn cap nut b18.2.293
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THRDFASTFLCap Nut (Acorn Nut)SteelZinc/Clear5/16nf-24 acorn cap nut b18.2.225
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THRDFASTFLCap Nut (Acorn Nut)SteelZinc/Clear10nf-32 acorn cap nut b18.2.212
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DavisILCap Nut (Acorn Nut)SteelBlack Oxide1/4-201/4-20 2 piece low profile cap nut-steel black oxide b18.2.2520
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