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5/16 Cap Nuts (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.

43 results, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
AbabaCACap Nut (Acorn Nut)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 acorn cap nut s/s b18.2.2359
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AbabaCACap Nut (Acorn Nut)300 Stainless (A1,A2, 18-8,304,310 etc.)Black Oxide5/16-185/16-18 acorn cap nut s/s blk ox wax b18.2.298
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AbabaCACap Nut (Acorn Nut)SteelNickel5/16-185/16-18 acorn cap nut stl nkl b18.2.22100
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AbabaCACap Nut (Acorn Nut)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 acorn cap nut s/s b18.2.2204
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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)SteelPlain5/16-185/16-18 nylon insert/cap locknut w/black cap b18.2.2872
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AbabaCACap Nut (Acorn Nut)Nylon (Polyamide)Plain5/16-185/16-18 acorn cap nut nylon b18.2.2283
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GLFOHCap Nut (Acorn Nut)SteelNickel5/16-185/16-18 acorn nut stl nkl b18.2.2 () () ()491
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GLFOHCap Nut (Acorn Nut)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 acorn nut 18-8 s/s b18.2.2 () () ()121
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AbabaCACap Nut (Acorn Nut)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 acorn cap nut high crown stainless steel b18.2.280
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Irwin IndOntCap Nut (Acorn Nut)SteelNickel5/16-18 x 9/165/16-18x9/16 steel open end acorn nut nickel plate b18.2.225310
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AbabaCACap Nut (Acorn Nut)316, 317, A4 StainlessPlain5/16-185/16-18 acorn cap nut 316 s/s b18.2.225
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AbabaCACap Nut (Acorn Nut)SteelNickel5/16-185/16-18 acorn cap nut stl nkl b18.2.2400
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AbabaCACap Nut (Acorn Nut)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 acorn cap nut s/s b18.2.220
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SIIINCap Nut (Acorn Nut)SteelNickel5/16-185/16-18 acorn nut nickel plate b18.2.21175
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JET FITTINGCACap Nut (Acorn Nut)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 acorn nut s/s stl 304 unc 569050 b18.2.250
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JET FITTINGCACap Nut (Acorn Nut)SteelNickel5/16-18 x 25/16-18 acorn nut 2 pc nkl 301023 b18.2.21225
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JET FITTINGCACap Nut (Acorn Nut)SteelBlack Oxide5/16-185/16-18 hex acorn nut steel black oxide 516CAN SBO b18.2.2311
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StandardMACap Nut (Acorn Nut)316, 317, A4 StainlessPlain5/16-185/16-18 cap nut 316 stainless steel b18.2.21052
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StandardMACap Nut (Acorn Nut)BrassPlain5/16-185/16-18 cap nut brass b18.2.23955
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StandardMACap Nut (Acorn Nut)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 cap nut 18-8 stainless steel b18.2.214354
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QFCTXCap Nut (Acorn Nut)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 acorn nut 18-8 b18.2.2490
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OSSCORICap Nut (Acorn Nut)SteelBlack Oxide5/16-185/16-18 acorn cap nut black ox b18.2.226
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OSSCORICap Nut (Acorn Nut)SteelPlain5/16-185/16-18 acorn cap nut-high crown b18.2.2184
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QFCTXCap Nut (Acorn Nut)Nylon (Polyamide)Plain5/16-185/16-18 nylon cap nut b18.2.22500
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QFCTXCap Nut (Acorn Nut)SteelZinc/Clear5/165/16nc bzp cap nut b18.2.250
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Bostwick INCap Nut (Acorn Nut)Nylon (Polyamide)Plain5/16-185/16-18 acorn cap nut (2 piece) nylon b18.2.2256
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PerigeeMICap Nut (Acorn Nut)300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated5/16-24 x 1/2 x 17/325/16-24 x 1/2 x 17/32 low crown hex cap nut b18.2.2976
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PerigeeMICap Nut (Acorn Nut)300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated5/16-24 x 1/2 x 17/325/16-24 x 1/2 x 17/32 low crown cap nut b18.2.23
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PerigeeMICap Nut (Acorn Nut)300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated5/16-18 x 1/2 x 17/325/16-18 x 1/2 x 17/32 low crown cap nut b18.2.245
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JET FITTINGCACap Nut (Acorn Nut)SteelNickel5/16-18nut acorn 5/16-18 steel nickel plated b18.2.21300
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JET FITTINGCACap Nut (Acorn Nut)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18nut acorn 5/1618 ss rohs compliant b18.2.2250
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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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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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THRDFASTTNCap Nut (Acorn Nut)SteelZinc/Clear5/16-18acorn cap nut b18.2.270
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KBSTNCap Nut (Acorn Nut)BrassPlain5/16-185/16-18 acorn cap nut brass b18.2.24,963
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THRDFASTOKCap Nut (Acorn Nut)SteelZinc/Clear5/16-18acorn cap nut b18.2.295
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THRDFASTFLCap Nut (Acorn Nut)SteelZinc/Clear5/16-18acorn cap nut b18.2.220
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THRDFASTFLCap Nut (Acorn Nut)SteelZinc/Clear5/16nf-24 acorn cap nut b18.2.266
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THRDFASTMSCap Nut (Acorn Nut)SteelZinc/Clear5/16-18acorn cap nut b18.2.297
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THRDFASTALCap Nut (Acorn Nut)SteelZinc/Clear5/16nf-24 acorn cap nut b18.2.215
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