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3/8 Heavy Hex Nuts (ASME B18. 2.6)

Heavy Hex Nuts are larger and thicker than standard (finished) hex nuts.The heavy hex pattern is typically used for large diameter and high strength bolts, and with certain high-strength grades of steel can be used with structural bolts in structural applications.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
Irwin IndOntHeavy Hex NutSteelPlain3/8-163/4-10 unc astm a194 2h hex nuts zinc A-194 b18.2.2 b18.2.6250
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BHAMALHeavy Hex NutASTM A563 Grade DHPlain3/8-163/8-16 a563 dh hvy hex nut dom. b18.2.2 b18.2.62
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GLFOHHeavy Hex NutGrade 2HFluoropolymer-Based (Xylan, Fluorokote, Teflon)3/8-163/8-16 hvy hex nut a194 2h stl teflon b18.2.2 b18.2.6 () () ()884
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GLFOHHeavy Hex NutGrade 2HGalvanized3/8-163/8-16 hvy hex nut a194 2h stl hdg b18.2.2 b18.2.6 () () ()694
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GLFOHHeavy Hex NutGrade B8MPlain3/8-163/8-16 hvy hex nut a194 gr b-8m s/s b18.2.2 b18.2.6 () () ()944
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GLFOHHeavy Hex NutGrade B8Plain3/8-163/8-16 hvy hex nut a194 gr b-8 s/s b18.2.2 b18.2.6 () () ()1192
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GLFOHHeavy Hex Nut316, 317, A4 StainlessPlain3/8-163/8-16 hvy hex nut 316 s/s b18.2.2 b18.2.6 () () ()1094
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GLFOHHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 hvy hex nut 18-8 s/s b18.2.2 b18.2.6 () () ()88
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GLFOHHeavy Hex NutSteelZinc/Clear3/8-163/8-16 hvy hex nut stl zc b18.2.2 b18.2.6 () () ()10878
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GLFOHHeavy Hex NutSteelPlain3/8-163/8-16 hvy hex nut stl pln b18.2.2 b18.2.6 () () ()711
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GLFOHHeavy Hex NutGrade 2HPlain3/8-163/8-16 hvy hex nut a194 2h stl pln b18.2.2 b18.2.6 () () ()1561
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GLFOHHeavy Hex NutGrade 2HZinc/Clear3/8-163/8-16 hvy hex nut a194 2h stl zc b18.2.2 b18.2.6 () () ()991
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AbabaCAHeavy Hex NutSteelZinc/Clear3/8-163/8-16 hvy h/n stl znc b18.2.2 b18.2.6900
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AbabaCAHeavy Hex Nut316, 317, A4 StainlessPlain3/8-163/8-16 hvy h/n 316 s/s b18.2.2 b18.2.612
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ASMCILHeavy Hex NutGrade 2HPlain3/8-16coarse a194/sa194 gr2h heavy hex nut med carb b18.2.2 b18.2.6700
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AbabaCAHeavy Hex NutGrade 2HGalvanized3/8-163/8-16 hvy h/n a194 2h per spec hdg b18.2.2 b18.2.625
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AbabaCAHeavy Hex NutSteelZinc/Yellow3/8-163/8-16 hvy h/n stl yel znc b18.2.2 b18.2.6445
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JET FITTINGCAHeavy Hex NutGrade AGalvanized3/8-163/8-16 heavy hex nuts a563 gr a hdg 324100 b18.2.2 b18.2.61400
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StandardMAHeavy Hex NutBrassPlain3/8-163/8-16 heavy full nut brass b18.2.2 b18.2.612308
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StandardMAHeavy Hex Nut316, 317, A4 StainlessPlain3/8-243/8-24 heavy full nut 316 stainless steel b18.2.2 b18.2.65273
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StandardMAHeavy Hex NutSilicon BronzePlain3/8-163/8-16 heavy full nut silicon bronze b18.2.2 b18.2.6-575
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General FMIHeavy Hex NutGrade 2Zinc/Clear3/8-163/8-16 heavy hex nut grade 2 zinc b18.2.2 b18.2.642060
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QFCTXHeavy Hex NutGrade 2HPlain3/8-163/8-16 hvy hex nut 2h plain b18.2.2 b18.2.691
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QFCTXHeavy Hex NutSteelPlain3/8-163/8-16 hvy hex nut plain b18.2.2 b18.2.6121
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QFCTXHeavy Hex NutGrade 2HGalvanized3/8-163/8-16 heavy hex nut grade 2h galvanized b18.2.2 b18.2.613
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QFCTXHeavy Hex NutGrade 2HGalvanized3/8-163/8-16 heavy hex nut grade 2h galvanized b18.2.2 b18.2.61448
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QFCTXHeavy Hex NutSteelGalvanized3/8-163/8-16 hvy hex a563 a hdg b18.2.2 b18.2.6874
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QFCTXHeavy Hex NutASTM A563 Grade DHPlain3/8-163/8-16 hvy hex nut a563 gr. dh plain tapped oversize b18.2.2 b18.2.615
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QFCTXHeavy Hex NutSteelGalvanized3/8-163/8-16 fin hex nut a563gra hdg dom b18.2.2 b18.2.62529
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QFCTXHeavy Hex NutSteelGalvanized3/8-163/8-16 fin hex nut a563gra hdg dom b18.2.2 b18.2.615
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QFCTXHeavy Hex NutASTM A563 Grade DHGalvanized3/8-163/8-16 hvy hex nut dh hdg dom b18.2.2 b18.2.684
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QFCTXHeavy Hex NutASTM A563 Grade DHGalvanized3/8-163/8-16 hvy hex nut dh hdg dom b18.2.2 b18.2.65839
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QFCTXHeavy Hex NutASTM A563 Grade DHGalvanized3/8-163/8-16 hvy hex nut dh hdg dom b18.2.2 b18.2.650
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QFCTXHeavy Hex NutASTM A563 Grade DHGalvanized3/8-163/8-16 hvy hex nut dh hdg dom b18.2.2 b18.2.610498
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QFCTXHeavy Hex NutGrade 2HGalvanized3/8-163/8-16 hvy hex nut 2h hdg w/wax b18.2.2 b18.2.617
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QFCTXHeavy Hex NutGrade 2HGalvanized3/8-163/8-16 hvy hex nut 2h hdg w/wax b18.2.2 b18.2.62265
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QFCTXHeavy Hex NutGrade 2HGalvanized3/8-163/8-16 hvy hex nut 2h hdg w/wax b18.2.2 b18.2.62700
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QFCTXHeavy Hex NutSteelZinc/Clear3/8-163/8-16 hvy hex nut zinc b18.2.2 b18.2.6561
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B & K FASTPAHeavy Hex NutBrassPlain3/8-163/8-16 brass heavy hex nuts b18.2.2 b18.2.610235
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B & K FASTPAHeavy Hex NutSteelPlain3/8-163/8-16 heavy hex nuts plain b18.2.2 b18.2.64500
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B & K FASTPAHeavy Hex NutSteelZinc/Clear3/8-163/8-16 heavy hex nuts zinc b18.2.2 b18.2.610500
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B & K FASTPAHeavy Hex NutGrade B8Plain3/8-163/8-16 heavy hex nut b8 stainless b18.2.2 b18.2.6302
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BHAMGAHeavy Hex Nut316, 317, A4 StainlessPlain3/83/8 f594g 316 ss heavy hex nuts b18.2.2 b18.2.656
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BHAMGAHeavy Hex NutGrade 2HPlain3/8-163/8-16 a194 2h heavy hex nuts b18.2.2 b18.2.612
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General FMIHeavy Hex NutSteelPlain3/8-163/8-16 hvy hex nut astm a194 b18.2.2 b18.2.67400
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QFCTXHeavy Hex NutASTM A563 Grade DHGalvanized3/8-163/8-16 heavy hex nut dh hdg dom b18.2.2 b18.2.634
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QFCTXHeavy Hex NutGrade 2HPlain3/8-163/8-16 hvy hex nut tapped oversize gr 2h b18.2.2 b18.2.650
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QFCTXHeavy Hex NutASTM A563 Grade DHPlain3/8-163/8-16 hvy hex nuta563 gr. dh plain b18.2.2 b18.2.660
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QFCTXHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 heavy hex nut 18-8 stainless b18.2.2 b18.2.61200
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QFCTXHeavy Hex NutASTM A563 Grade DHPlain3/8-163/8-16 hvy hex nut dh plain domestic b18.2.2 b18.2.679
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QFCTXHeavy Hex NutASTM A563 Grade DHGalvanized3/8-163/8-16 hvy hex nut dh mech galv domestic b18.2.2 b18.2.626
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QFCTXHeavy Hex NutSteelGalvanized3/8-163/8-16 hvy hex nut hdg b18.2.2 b18.2.6330
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JET FITTINGCAHeavy Hex NutSteelZinc/Clear3/8-163/8-16 heavy hex nut steel zinc b18.2.2 b18.2.6739
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JET FITTINGCAHeavy Hex NutGrade 2HGalvanized3/8-163/8-16 heavy hot dip galvanized nuts structural and heavy hex nuts 2h heavy hex nut a194/sa194 hdg (inch) b18.2.2 b18.2.61300
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WurthOntHeavy Hex NutGrade APlain3/8-16nut hvy hx gra (pl) 3/8-16 b18.2.2 b18.2.61150
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JET FITTINGCAHeavy Hex NutSteelZinc/Yellow3/8-16nut hex 3/816 steel zinc plated yellow hvy b18.2.2 b18.2.61000
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THRDFASTFLHeavy Hex Nut316, 317, A4 StainlessPlain3/8-16t-316 ss hvy hex nut domestic b18.2.2 b18.2.662
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THRDFASTFLHeavy Hex NutGrade B8Plain3/8-16b8 ss hvy hex nut b18.2.2 b18.2.64
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THRDFASTFLHeavy Hex NutGrade B8MPlain3/8-16b8m hvy hex nut b18.2.2 b18.2.63
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THRDFASTFLHeavy Hex NutGrade AZinc/Clear3/8-16a563 gr a hvy hex nut b18.2.2 b18.2.6163
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THRDFASTFLHeavy Hex NutASTM A563 Grade DHGalvanized3/8-16a563 gr dh hvy hex nut hdg b18.2.2 b18.2.64
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THRDFASTOKHeavy Hex NutGrade AGalvanized3/8-16a563 gr a hvy hex nut hdg b18.2.2 b18.2.655
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THRDFASTOKHeavy Hex NutGrade 2HGalvanized3/8-16a194 2h hvy hex nut hdg b18.2.2 b18.2.6 domestic14
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THRDFASTFLHeavy Hex Nut316, 317, A4 StainlessPlain3/8-16t-316 ss hvy hex nut b18.2.2 b18.2.650< ul>Contact_Supplier
THRDFASTTNHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-1618-8 ss hvy hex nut b18.2.2 b18.2.625
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THRDFASTALHeavy Hex NutGrade B8Plain3/8-16b8 ss hvy hex nut domestic b18.2.2 b18.2.61
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THRDFASTALHeavy Hex NutGrade 2HPlain3/8-16a194 2h hvy hex nut b18.2.2 b18.2.64
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THRDFASTMSHeavy Hex NutGrade 2HPlain3/8-16a194 2h hvy hex nut domestic b18.2.2 b18.2.624
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THRDFASTMSHeavy Hex NutGrade APlain3/8-16a563 gr a hvy hex nut b18.2.2 b18.2.61,500
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THRDFASTMSHeavy Hex Nut316, 317, A4 StainlessPlain3/8-16t-316 ss hvy hex nut b18.2.2 b18.2.684
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KBSTNHeavy Hex NutGrade 2HPlain3/8-163/8-16 a194 2h heavy hex nut b18.2.2 b18.2.63,726
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THRDFASTOKHeavy Hex NutGrade 2HGalvanized3/8-16a194 2h hvy hex nut hdg b18.2.2 b18.2.61
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THRDFASTMSHeavy Hex NutGrade 2HFluoropolymer-Based (Xylan, Fluorokote, Teflon)3/8-16a194 2h hvy hex nut teflon blue b18.2.2 b18.2.6414
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THRDFASTOKHeavy Hex NutGrade 2HGalvanized3/8-16a194 2h hvy hex nut mech b18.2.2 b18.2.62
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THRDFASTALHeavy Hex NutGrade 2HZinc/Clear3/8-16a194 2h hvy hex nut b18.2.2 b18.2.63
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WSBKYHeavy Hex NutGrade 2HGalvanized3/8-16nut heavy hex gr2h (hdg) 3/8-16 b18.2.2 b18.2.6793
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Coburn Myers Fastening SystemsPAHeavy Hex NutSteelPlain3/8-24hvy hex nut steel plain b18.2.2 b18.2.663500
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All SizeTXHeavy Hex NutGrade 2HZinc/Clear3/8-163/8-16 2h heavy hex nut zinc b18.2.2 b18.2.61,387
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