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5/8 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.

Heavy Hex Nut (b18.2.6), showing 200, (click on any line for more information)

Buy Heavy Hex Nuts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
BHAMALHeavy Hex Nut316, 317, A4 StainlessPlain5/8-115/8-11 hvy hex nut f594 316ss b18.2.2 b18.2.634
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GLFOHHeavy Hex NutGrade CPlain5/8-115/8-11 hvy hex nut a563 gr c stl pln b18.2.2 b18.2.6 () () ()74
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GLFOHHeavy Hex Nut316, 317, A4 StainlessPlain5/8-115/8-11 hvy hex nut 316 s/s b18.2.2 b18.2.6 () () ()375
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GLFOHHeavy Hex NutSteelFluoropolymer-Based (Xylan, Fluorokote, Teflon)5/8-115/8-11 hvy hex nut a563 stl teflon b18.2.2 b18.2.6 () () ()899
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GLFOHHeavy Hex NutGrade AGalvanized5/8-115/8-11 hvy hex nut a563 gr a stl hdg b18.2.2 b18.2.6 () () ()1179
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GLFOHHeavy Hex NutGrade AFluoropolymer-Based (Xylan, Fluorokote, Teflon)5/8-115/8-11 hvy hex nut a563 gr a stl teflon b18.2.2 b18.2.6 () () ()122
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GLFOHHeavy Hex NutGrade B8MPlain5/8-115/8-11 hvy hex nut a194 gr b8m s/s b18.2.2 b18.2.6 () () ()3
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GLFOHHeavy Hex NutGrade 7Fluoropolymer-Based (Xylan, Fluorokote, Teflon)5/8-115/8-11 hvy hex nut gr 7 stl teflon b18.2.2 b18.2.6 () () ()76
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GLFOHHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 hvy hex nut 18-8 s/s b18.2.2 b18.2.6 () () ()2
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GLFOHHeavy Hex NutGrade 2HPlain5/8-115/8-11 hvy hex nut a194 2h stl pln b18.2.2 b18.2.6 () () ()1927
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GLFOHHeavy Hex NutGrade 2HGalvanized5/8-115/8-11 hvy hex nut a194 2h stl hdg b18.2.2 b18.2.6 () () ()4518
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GLFOHHeavy Hex NutASTM A563 Grade DHGalvanized5/8-115/8-11 hvy hex nut a563 cl dh stl hdg b18.2.2 b18.2.6 () () ()1192
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GLFOHHeavy Hex NutGrade 2HFluoropolymer-Based (Xylan, Fluorokote, Teflon)5/8-115/8-11 hvy hex nut a194 2h stl teflon b18.2.2 b18.2.6 () () ()2127
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GLFOHHeavy Hex NutGrade 2HZinc/Clear5/8-115/8-11 hvy hex nut a194 2h stl zc b18.2.2 b18.2.6 () () ()789
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GLFOHHeavy Hex NutGrade B8Plain5/8-115/8-11 hvy hex nut a194 gr b-8 s/s b18.2.2 b18.2.6 () () ()18
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GLFOHHeavy Hex NutSteelZinc/Clear5/8-115/8-11 hvy hex nut stl zc b18.2.2 b18.2.6 () () ()60
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GLFOHHeavy Hex NutSteelFluoropolymer-Based (Xylan, Fluorokote, Teflon)5/8-11 x 45/8-11 hvy hex nut a194 gr 4 stl teflon b18.2.2 b18.2.6 () () ()76
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GLFOHHeavy Hex NutSteelFluoropolymer-Based (Xylan, Fluorokote, Teflon)5/8-115/8-11 hvy hex nut l-7 stl teflon b18.2.2 b18.2.6 () () ()30
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GLFOHHeavy Hex NutGrade B8MPlain5/8-11 x 85/8-11 hvy hex nut a194 gr 8m s/s b18.2.2 b18.2.6 () () ()2
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GLFOHHeavy Hex NutGrade 2HDip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)5/8-115/8-11 hvy hex nut a194 2h stl geomet b18.2.2 b18.2.6 () () ()2
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GLFOHHeavy Hex NutSteelFluoropolymer-Based (Xylan, Fluorokote, Teflon)5/8-115/8-11 hvy hex nut tapped oversize a194 gr 4 stl teflon b18.2.2 b18.2.6 () () ()242
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AbabaCAHeavy Hex NutGrade APlain5/8-115/8-11 fin h/n astm a563 gr. a stl pln b18.2.2 b18.2.6103
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AbabaCAHeavy Hex NutGrade 2HGalvanized5/8-115/8-11 hvy h/n astm a194 gr 2h per spec hdg b18.2.2 b18.2.6239
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AbabaCAHeavy Hex NutASTM A563 Grade DHGalvanized5/8-115/8-11 hvy h/n domestic astm a563 dh per spec hdg b18.2.2 b18.2.613
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AbabaCAHeavy Hex NutGrade 2HPlain5/8-115/8-11 hvy h/n astm a194 gr 2h per spec pln b18.2.2 b18.2.6405
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AbabaCAHeavy Hex NutGrade 2HPlain5/8-115/8-11 hvy h/n dom astm a194 gr 2h per spec pln b18.2.2 b18.2.633
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AbabaCAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 hvy h/n s/s b18.2.2 b18.2.620
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AbabaCAHeavy Hex NutSteelPlain5/8-115/8-11 hvy h/n stl pln b18.2.2 b18.2.615
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AbabaCAHeavy Hex NutSteelGalvanized5/8-115/8-11 hvy h/n stl hdg b18.2.2 b18.2.660
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AbabaCAHeavy Hex NutSteelZinc/Clear5/8-115/8-11 hvy h/n stl znc b18.2.2 b18.2.650
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ASMCILHeavy Hex NutASTM A563 Grade DHGalvanized5/8-115/8-11 coarse a563 grdh heavy hex nut med carb hdg / wax / blue dye b18.2.2 b18.2.659
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AbabaCAHeavy Hex NutGrade 2HPlain5/8-115/8-11 hvy h/n astm a194 gr 2h per spec pln b18.2.2 b18.2.650
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SIIINHeavy Hex NutSteelZinc/Clear5/8-115/8-11 low carbon zinc plated heavy hex nut) b18.2.2 b18.2.6200
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SIIINHeavy Hex NutSteelPlain5/85/8 a563 heavy hex nut plain b18.2.2 b18.2.656
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SIIINHeavy Hex NutGrade AGalvanized5/8-115/8-11 heavy hex nuts a563 grade a coarse hdg b18.2.2 b18.2.696
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JET FITTINGCAHeavy Hex NutASTM A563 Grade DHGalvanized5/8-115/8-11 heavy hex nut steel grade dh hot dip galvanized a194 313150 b18.2.2 b18.2.6250
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StandardMAHeavy Hex NutSilicon BronzePlain5/8-115/8-11 heavy full nut silicon bronze b18.2.2 b18.2.6838
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QFCTXHeavy Hex NutGrade 2HPlain5/8-115/8-11 hvy hex nut 2h plain b18.2.2 b18.2.63031
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QFCTXHeavy Hex NutGrade 2HPlain5/8-115/8-11 hvy hex nut 2h plain b18.2.2 b18.2.6259
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QFCTXHeavy Hex NutGrade AGalvanized5/8-115/8-11 hex finish nut a563 gr. a hdg b18.2.2 b18.2.6176
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QFCTXHeavy Hex NutASTM A563 Grade DHPlain5/8-11 x 35/8-11 hvy hex nut a563 dh3 b18.2.2 b18.2.61350
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QFCTXHeavy Hex NutASTM A563 Grade DHGalvanized5/8-115/8-11 hvy hex nut a563 gr. dh hdg dom b18.2.2 b18.2.6914
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QFCTXHeavy Hex NutGrade 2HGalvanized5/8-115/8-11 heavy hex nut grade 2h hdg b18.2.2 b18.2.6119
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QFCTXHeavy Hex NutGrade 2HGalvanized5/8-115/8-11 heavy hex nut grade 2h hdg b18.2.2 b18.2.6150
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QFCTXHeavy Hex NutGrade 2HGalvanized5/8-115/8-11 heavy hex nut grade 2h galvanized dom b18.2.2 b18.2.61190
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QFCTXHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 heavy hex nut 304 18-8 304 steel b18.2.2 b18.2.62919
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QFCTXHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 heavy hex nut 304 18-8 304 steel b18.2.2 b18.2.650
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QFCTXHeavy Hex NutGrade B8Plain5/8-115/8-11 hvy hex nut a194 gr. 8 304 ss dom b18.2.2 b18.2.61922
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QFCTXHeavy Hex NutGrade B8Plain5/8-115/8-11 hvy hex nut a194 gr. 8 304 ss dom b18.2.2 b18.2.6106
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QFCTXHeavy Hex NutASTM A563 Grade DHPlain5/8-115/8-11 hvy hex nut a563 gr. dh t/o b18.2.2 b18.2.6919
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QFCTXHeavy Hex NutASTM A563 Grade DHPlain5/8-115/8-11 hvy hex nut a563 gr. dh t/o dom b18.2.2 b18.2.6210
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QFCTXHeavy Hex NutASTM A563 Grade DHPlain5/8-115/8-11 hvy hex nut a563 gr. dh t/o dom b18.2.2 b18.2.61494
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QFCTXHeavy Hex NutASTM A563 Grade DHPlain5/8-115/8-11 hvy hex nut a563 gr. dh t/o dom b18.2.2 b18.2.617
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QFCTXHeavy Hex NutGrade 2HGalvanized5/8-115/8-11 hvy hex a194 2h hdg nut wax pa dot b18.2.2 b18.2.61191
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QFCTXHeavy Hex NutGrade 2HGalvanized5/8-115/8-11 hvy hex nut 2h hdg w/wax domestic b18.2.2 b18.2.6738
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QFCTXHeavy Hex NutGrade 2HGalvanized5/8-115/8-11 hvy hex nut 2h hdg w/wax domestic b18.2.2 b18.2.6750
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QFCTXHeavy Hex NutGrade 2HGalvanized5/8-115/8-11 hvy hex nut 2h hdg w/wax domestic b18.2.2 b18.2.61201
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B & K FASTPAHeavy Hex NutGrade 2HGalvanized5/8-115/8-11 a194 2h heavy hex nuts galv b18.2.2 b18.2.6479
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B & K FASTPAHeavy Hex NutGrade 2HPlain5/8-115/8-11 a194 2h heavy hex nuts plain b18.2.2 b18.2.6121
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B & K FASTPAHeavy Hex NutSilicon BronzePlain5/8-115/8-11 heavy hex nuts silicon bronze b18.2.2 b18.2.61
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B & K FASTPAHeavy Hex NutBrassPlain5/8-185/8-18 brass heavy hex nuts b18.2.2 b18.2.62
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B & K FASTPAHeavy Hex NutASTM A563 Grade DHGalvanized5/8-115/8-11 dh heavy hex nut galv b18.2.2 b18.2.62
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B & K FASTPAHeavy Hex NutAluminumPlain5/8-115/8-11 heavy hex nuts aluminum b18.2.2 b18.2.6116
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B & K FASTPAHeavy Hex NutASTM A563 Grade DHPlain5/8-115/8-11 dh heavy hex nuts plain b18.2.2 b18.2.627
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B & K FASTPAHeavy Hex NutSteelGalvanized5/8-115/8-11 heavy hex nuts galv b18.2.2 b18.2.6106
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B & K FASTPAHeavy Hex NutSteelPlain5/8-115/8-11 heavy hex nuts plain b18.2.2 b18.2.6600
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B & K FASTPAHeavy Hex NutSteelZinc/Clear5/8-115/8-11 heavy hex nuts zinc b18.2.2 b18.2.6330
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B & K FASTPAHeavy Hex NutGrade CGalvanized5/8-115/8-11 a563 gr c heavy hex nuts galv b18.2.2 b18.2.6355
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B & K FASTPAHeavy Hex NutGrade CPlain5/8-115/8-11 a563 gr c heavy hex nuts plain b18.2.2 b18.2.611
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B & K FASTPAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 heavy hex nuts 18-8 stainless b18.2.2 b18.2.62139
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B & K FASTPAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 heavy hex nuts 304 stainless b18.2.2 b18.2.628
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B & K FASTPAHeavy Hex Nut316, 317, A4 StainlessPlain5/8-115/8-11 heavy hex nuts stainless t-316 b18.2.2 b18.2.6655
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B & K FASTPAHeavy Hex NutGrade B8Plain5/8-115/8-11 heavy hex nuts stainless a194b8 b18.2.2 b18.2.612
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B & K FASTPAHeavy Hex NutGrade B8MPlain5/8-115/8-11 a194 b8m heavy hex nuts stainless b18.2.2 b18.2.66
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BHAMGAHeavy Hex NutGrade B8Plain5/85/8 a194 grade 8c heavy hex nuts b18.2.2 b18.2.622
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BHAMGAHeavy Hex NutGrade B8Plain5/8-115/8-11 a194 grade 8c heavy hex nuts b18.2.2 b18.2.66
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BHAMGAHeavy Hex NutNi-Cu Alloy (Monel, K-Monel, etc.)Plain5/8-185/8-18 monel 400 heavy hex nuts b18.2.2 b18.2.69
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BHAMGAHeavy Hex NutSuperalloy (Inconel, Hastelloy, Alloy 20)Plain5/85/8 inconel 625 heavy hex nuts b18.2.2 b18.2.611
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BHAMGAHeavy Hex NutSuperalloy (Inconel, Hastelloy, Alloy 20)Plain5/85/8 alloy 20 heavy hex nuts b18.2.2 b18.2.618
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BHAMGAHeavy Hex NutSuperalloy (Inconel, Hastelloy, Alloy 20)Plain5/85/8 alloy 20 heavy hex nuts b18.2.2 b18.2.653
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BHAMGAHeavy Hex NutSuperalloy (Inconel, Hastelloy, Alloy 20)Plain5/85/8 alloy 20 heavy hex nuts b18.2.2 b18.2.635
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BHAMGAHeavy Hex NutSuperalloy (Inconel, Hastelloy, Alloy 20)Plain5/85/8 alloy 20 heavy hex nuts b18.2.2 b18.2.620
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BHAMGAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/85/8 304 ss heavy hex nuts b18.2.2 b18.2.69
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BHAMGAHeavy Hex NutGrade B8Plain5/85/8 a194 grade 8 heavy hex nuts b18.2.2 b18.2.64
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BHAMGAHeavy Hex NutGrade B8Plain5/8-115/8-11 a194 grade 8 heavy hex nuts b18.2.2 b18.2.614
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BHAMGAHeavy Hex NutGrade B8Plain5/85/8 a194 grade 8 heavy hex nuts b18.2.2 b18.2.66
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BHAMGAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/85/8 304 ss heavy hex nuts b18.2.2 b18.2.649
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BHAMGAHeavy Hex NutGrade B8Plain5/8-115/8-11 a194 grade 8 heavy hex nuts b18.2.2 b18.2.631
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BHAMGAHeavy Hex NutGrade B8Plain5/85/8 a194 grade 8 heavy hex nuts b18.2.2 b18.2.634
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BHAMGAHeavy Hex NutGrade B8Plain5/85/8 a194 grade 8 heavy hex nuts b18.2.2 b18.2.630
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BHAMGAHeavy Hex NutGrade B8Plain5/85/8 a194 grade 8 heavy hex nuts b18.2.2 b18.2.661
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BHAMGAHeavy Hex Nut316, 317, A4 StainlessPlain5/85/8 316 ss heavy hex nuts b18.2.2 b18.2.660
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BHAMGAHeavy Hex NutSuperalloy (Inconel, Hastelloy, Alloy 20)Plain5/8-115/8-11 hastelloy c276 heavy hex nuts b18.2.2 b18.2.6460
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BHAMGAHeavy Hex Nut316, 317, A4 StainlessPlain5/8-115/8-11 316 ss heavy hex nuts b18.2.2 b18.2.629
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General FMIHeavy Hex NutSteelZinc/Clear5/8-115/8-11 hvy hex nut zn pltd b18.2.2 b18.2.691
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OSSCORIHeavy Hex NutSteelPlain5/8-185/8-18 heavy hex nut b18.2.2 b18.2.625
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QFCTXHeavy Hex NutGrade APlain5/8-115/8-11 hvy hex nut plain a563 gr.a b18.2.2 b18.2.66
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QFCTXHeavy Hex NutGrade 2HGalvanized5/8-115/8-11 hvy hex nut 2h hdg w/wax b18.2.2 b18.2.6176
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QFCTXHeavy Hex NutGrade 8Plain5/8-115/8-11 hvy hex nut a194 gr 8 304ss t/o b18.2.2 b18.2.664
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QFCTXHeavy Hex NutSteelZinc/Clear5/8-115/8-11 heavy hex nut a194 zinc plated b18.2.2 b18.2.6200
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QFCTXHeavy Hex NutASTM A563 Grade DHGalvanized5/8-115/8-11 hvy hex nut dh mech galv domestic b18.2.2 b18.2.614
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QFCTXHeavy Hex NutGrade B8Plain5/8-11 x 1005/8-11 a194b8 hvy hex nut 304ss 100%domestic b18.2.2 b18.2.618
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Bostwick INHeavy Hex NutGrade 2HGalvanized5/8-115/8-11 2h heavy hex nut hdg (usa mfg) b18.2.2 b18.2.6612
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Bostwick INHeavy Hex NutGrade 2HPlain5/8-115/8-11 2h heavy hex nut b18.2.2 b18.2.6800
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PerigeeMIHeavy Hex NutSteelZinc/Clear5/8-11 x 1 1/16 x 5/85/8-11 x 1-1/16 x 5/8 dc heavy spcl hex nut b18.2.2 b18.2.6175
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PerigeeMIHeavy Hex NutBrassPlain5/8-11 x 1 x 23/645/8-11 x 1 x 23/64 spcl heavy hex jam nut b18.2.2 b18.2.6457
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PerigeeMIHeavy Hex NutSteelZinc/Clear5/8-11 x 1 1/16 x 5/85/8-11 x 1-1/16 x 5/8 dc heavy spcl hex nut b18.2.2 b18.2.6291
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PerigeeMIHeavy Hex NutGrade 7Plain5/8-11 x 1 1/16 x 39/645/8-11 x 1-1/16 x 39/64 heavy hex nut b18.2.2 b18.2.6214
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PerigeeMIHeavy Hex NutSteelPlain5/8-11 x 1 1/16 x 39/645/8-11 x 1-1/16 x 39/64 heavy hex nut b18.2.2 b18.2.6311
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PerigeeMIHeavy Hex NutSteelPhosphate5/8-18 x 1 1/16 x 39/645/8-18 x 1-1/16 x 39/64 heavy hex slotted nut b18.2.2 b18.2.6408
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JET FITTINGCAHeavy Hex NutSteelZinc/Yellow5/8-11nut heavy hex 5/8-11 steel zinc plated yellow b18.2.2 b18.2.622
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JET FITTINGCAHeavy Hex NutGrade 2HGalvanized5/8-115/8-11 heavy hot dip galvanized nuts structural and heavy hex nuts 2h heavy hex nut a194/sa194 hdg (inch) b18.2.2 b18.2.6300
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JET FITTINGCAHeavy Hex NutGrade 2HZinc/Yellow5/8-115/8-11 hex nut heavy 2h steel zinc yellow per astm b633-98 sc3 & bake b18.2.2 b18.2.61507
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THRDFASTFLHeavy Hex NutGrade 2HFluoropolymer-Based (Xylan, Fluorokote, Teflon)5/8-11a194 2h hvy hex nut teflon blue b18.2.2 b18.2.6320
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THRDFASTFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11l ss hvy hex nut b18.2.2 b18.2.62
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THRDFASTFLHeavy Hex NutGrade 2HGalvanized5/8-11a194 2h hvy hex nut mech b18.2.2 b18.2.68
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THRDFASTFLHeavy Hex NutGrade 2HFluoropolymer-Based (Xylan, Fluorokote, Teflon)5/8-11a194 2h hvy hex nut teflon blue b18.2.2 b18.2.67
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THRDFASTOKHeavy Hex NutASTM A563 Grade DHGalvanized5/8-11gr dh hvy hex nut mech b18.2.2 b18.2.63,525
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THRDFASTOKHeavy Hex NutGrade AGalvanized5/8-11a563 gr a hvy hex nut hdg b18.2.2 b18.2.623
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THRDFASTOKHeavy Hex NutGrade AZinc/Clear5/8-11a563 gr a hvy hex nut b18.2.2 b18.2.617
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THRDFASTOKHeavy Hex NutGrade 2HCadmium5/8-11a194 2h hvy hex nut b18.2.2 b18.2.6 domestic3
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THRDFASTOKHeavy Hex NutASTM A563 Grade DHZinc/Clear5/8-11gr dh hvy hex nut domestic b18.2.2 b18.2.65
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THRDFASTTNHeavy Hex NutGrade AZinc/Clear5/8-11a563 gr a hvy hex nut b18.2.2 b18.2.649
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THRDFASTALHeavy Hex NutASTM A563 Grade DHGalvanized5/8-11a563 gr dh hvy nut hdg b18.2.2 b18.2.613,462
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THRDFASTALHeavy Hex NutGrade 2HPlain5/8-11h hvy hex nut waxed & dyed b18.2.2 b18.2.6 domestic775
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THRDFASTALHeavy Hex NutASTM A563 Grade DHPlain5/8-11gr dh hvy hex nut tapped .01 b18.2.2 b18.2.6325
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THRDFASTALHeavy Hex NutAluminumPlain5/8-11alum hvy hex nut b18.2.2 b18.2.640
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THRDFASTALHeavy Hex NutGrade 7Fluoropolymer-Based (Xylan, Fluorokote, Teflon)5/8-11gr7 hvy hex nut teflon blue b18.2.2 b18.2.613
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THRDFASTALHeavy Hex NutSteelFluoropolymer-Based (Xylan, Fluorokote, Teflon)5/8-115/8-11 gr4 hvy hex nut teflon blue b18.2.2 b18.2.611
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THRDFASTALHeavy Hex NutASTM A563 Grade DHPlain5/8-11gr dh hvy hex nut domestic b18.2.2 b18.2.651
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THRDFASTALHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-1118-8 ss hvy hex nut b18.2.2 b18.2.62
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THRDFASTMSHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-1118-8 ss hvy hex nut b18.2.2 b18.2.64
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THRDFASTMSHeavy Hex NutASTM A563 Grade DHGalvanized5/8-11a563 gr dh hvy hex nut hdg b18.2.2 b18.2.680
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KBSTNHeavy Hex NutSteelZinc/Clear5/8-115/8-11 heavy hex nut plated b18.2.2 b18.2.62,177
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KBSTNHeavy Hex NutGrade 2HGalvanized5/8-115/8-11 a194 2h heavy hex nut hdg! b18.2.2 b18.2.6876
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KBSTNHeavy Hex NutGrade 2HPlain5/8-115/8-11 a194 2h heavy hex nut b18.2.2 b18.2.66,431
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KBSTNHeavy Hex NutGrade 2HPlain5/8-115/8-11 a194 2h heavy hex nut domestic b18.2.2 b18.2.62,727
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THRDFASTALHeavy Hex NutGrade 2HPlain5/8-11a194 2h hvy hex nut b18.2.2 b18.2.69000
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THRDFASTALHeavy Hex NutGrade 2HGalvanized5/8-11a194 2h hvy hex nut hdg b18.2.2 b18.2.65810
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THRDFASTALHeavy Hex NutGrade AGalvanized5/8-11a563 gr a hvy hex nut hdg b18.2.2 b18.2.63260
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THRDFASTOKHeavy Hex NutGrade 2HZinc/Yellow5/8-11a194 2h hvy hex nut z&y b18.2.2 b18.2.644
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THRDFASTALHeavy Hex NutSteelGalvanized5/8-11hvy recessed hex nut hdg b18.2.2 b18.2.613
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THRDFASTMSHeavy Hex NutGrade 2HCadmium5/8-11a194 2h hvy hex nut b18.2.2 b18.2.66
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THRDFASTOKHeavy Hex NutASTM A563 Grade DHPlain5/8-11gr dh hvy hex nut tectyl 3217 domestic b18.2.2 b18.2.657
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THRDFASTALHeavy Hex NutSuperalloy (Inconel, Hastelloy, Alloy 20)Plain5/8-11hastelloy c hvy hex nut b18.2.2 b18.2.62
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THRDFASTOKHeavy Hex NutGrade 2HZinc/Yellow5/8-11h hvy hex nut infasco z&y irr. b18.2.2 b18.2.62,660
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WSBKYHeavy Hex NutGrade 2HGalvanized5/8-11nut heavy hex gr2h (hdg) 5/8-11 pin b18.2.2 b18.2.61,187
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WSBKYHeavy Hex NutGrade CPlain5/8-11nut heavy hex grc (pl) 5/8-11 b18.2.2 b18.2.63,295
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WSBKYHeavy Hex NutSteelGalvanized5/8-11nut heavy hex st (hdg) 5/8-11 usa b18.2.2 b18.2.66,800
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All SizeTXHeavy Hex NutGrade 2HZinc/Yellow5/8-115/8-11 hex nut 2h yellow zinc b18.2.2 b18.2.649
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