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3/8 Heavy Hex Jam Nuts

Heavy Hex Jam Nuts are thinner than regular heavy hex nuts, but have similar dimensions across the flats and corners. Like regular hex jam nuts, heavy hex jam nuts can be threaded onto a bolt and run tight against the standard heavy hex nut which will lock the nut in place and prevent it from backing off. 

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

Buy Heavy Hex Jam Nuts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
JacksonMSHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16nc heavy jam nut 18-8 s/s6
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WeaverWAHeavy Hex Jam NutSteelPlain3/8-16 heavy hex jam nut plain143
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WeaverWAHeavy Hex Jam NutSteelZinc/Clear3/8-163/8-16 heavy hex jam nut zinc3100
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ACCURATEILHeavy Hex Jam NutSteelNickel3/8-16 heavy hex jam nut nickel ptd2400
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METRO INDOHHeavy Hex Jam NutSteelPlain3/8-16heavy jam nut uss681
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Irwin IndOntHeavy Hex Jam NutSteelBlack Oxide3/8-163/8-16 heavy hex jam nut steel black oxide finish b18.2.210
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AztechILHeavy Hex Jam NutSteelPlain3/8-16hvy jam center lock11,818
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MidStatesMIHeavy Hex Jam NutSilicon BronzePlain3/8-16heavy hex jam nut sil brz153
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MidStatesMIHeavy Hex Jam NutGrade 5Plain3/8-16heavy hex jam nut293
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BHAMALHeavy Hex Jam NutGrade 2HPlain3/8-16a194 2h hvy jam nut8
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StandardMAHeavy Hex Jam NutBrassPlain3/8-163/8-16 heavy jam nut brass b18.2.29451
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KomarILHeavy Hex Jam NutSteelPlain3/8-16hex heavy jam nut(11/16x15/64)400
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Future FastenerTXHeavy Hex Jam NutSteelZinc/Clear3/8-163/8-16 hvy jam nut plt120
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OBRIENOHHeavy Hex Jam NutSteelPlain3/8-16hvy hex jam nut1946
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DeltaTXHeavy Hex Jam NutSteelZinc/Clear3/8-16hvy hex jam nut steel zinc 3/8-164820
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DeltaTXHeavy Hex Jam NutGrade 2HPlain3/8-16hvy hex jam nut a194-2hd bo 3/8-16 (BLACK OXIDE)82
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DeltaTXHeavy Hex Jam NutSteelPlain3/8-16hvy hex jam nut steel plain 3/8-162700
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ISSCOMOHeavy Hex Jam NutGrade 2Zinc/Clear3/8-16heavy hex jam nut z/p4400
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BHAMALHeavy Hex Jam NutSteelPlain3/8-163/8-16 hvy hex jam nut b18.2.223975
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WurthINHeavy Hex Jam NutGrade 2Zinc/Clear3/8-163/8-16 heavy hex nut jam gr2 zinc7,700
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ZAL INDUSCAHeavy Hex Jam NutSteelZinc/Clear3/8-163/8-16 heavy hex jam nut pltd450
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ZAL INDUSCAHeavy Hex Jam NutBrassPlain3/8-163/8-16 heavy hex jam nut brass50
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KomarILHeavy Hex Jam NutSteelPlain3/8-163/8-16 hex heavy jam nut(11/16x15/64)12
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ASMCILHeavy Hex Jam NutGrade APlain3/8-16coarse a563 gra heavy hex jam nut low carb51
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ASMCILHeavy Hex Jam NutGrade AZinc/Clear3/8-16coarse a563 gra heavy hex jam nut low carb zp2,267
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Alma BoltMIHeavy Hex Jam NutSteelPlain3/8-16jam heavy hex nut2396
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Kanebridge ILHeavy Hex Jam NutSteelZinc/Clear3/8-163/8-16 heavy hex jam nut zinc37.500
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LibertyILHeavy Hex Jam NutSteelPlain3/8-16heavy hex jam nut278
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LibertyILHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16heavy hex jam nut 18-8 s/s stainless26
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Alma BoltMIHeavy Hex Jam NutSteelPlain3/8-16jam heavy hex nut893
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IPCVAHeavy Hex Jam NutSteelPlain3/8-163/8-16 heavy hex jam nut a563 steel66
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XL ScrewGAHeavy Hex Jam NutSteelPlain3/8-16heavy hex jam nuts2,400
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XL ScrewGAHeavy Hex Jam NutSteelZinc/Clear3/8-16heavy hex jam nuts zp2,400
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ACCURATEILHeavy Hex Jam NutSteelNickel3/8-163/8 -16 hvy-jam hex nuts15,000
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NorthernMNHeavy Hex Jam NutSteelPlain3/8-16nc heavy jam nut2250
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HayesCAHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 heavy hex jam nut 18-8ss164
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OSSCORIHeavy Hex Jam NutSteelPlain3/8-163/8-16 heavy hex jam nut b18.2.227
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OSSCORIHeavy Hex Jam NutSteelZinc/Clear3/8-163/8-16 heavy hex jam nut plated b18.2.2476
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AFIFLHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 heavy hex jam nut ss () ()750
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QCSORHeavy Hex Jam NutSteelZinc/Clear3/8-163/8-16 heavy hex jam nut zinc1268
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StandardMAHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 heavy jam nut 18-8 s/s steel5000
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Fastener OHHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plainheavy hex jam nut 3/8-16 self locking stainless steel 79ntu-066/ms16228-6c3
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THRDFASTMSHeavy Hex Jam NutSteelZinc/Clear3/8-16heavy hex jam nut b18.2.244
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Valley NuWAHeavy Hex Jam NutSteelPlain3/8-16nc hvy hex jam nut pl5
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Fastener OHHeavy Hex Jam NutNi-Cu Alloy (Monel, K-Monel, etc.)Plain3/8-16heavy hex jam nut 3/8-16 monel 400 4
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CenturyFLHeavy Hex Jam NutSteelZinc/Clear3/8-163/8-16 hvy hex jam nut steel trivalent clear () ()9800
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THRDFASTFLHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-1618-8 ss heavy hex jam nut b18.2.215
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JacksonMSHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24nf heavy jam nut 18-8 s/s630
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HayesCAHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-243/8-24 heavy hex jam nut 18-8 ss39
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MidStatesMIHeavy Hex Jam NutSteelPlain3/8-24heavy hex jam nut305
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Fastener OHHeavy Hex Jam NutGrade 2HPlain3/8-24heavy hex jam nut 3/8-24 unf-2b (1/8 thk) astm a194 grade 2h 2
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FTSOHHeavy Hex Jam NutSteelPlain3/8-24heavy hex jam nut53000
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JacksonMSHeavy Hex Jam NutSteelZinc/Clear3/83/8 nc heavy jam nut .875 wafx.312 thick10
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JacksonMSHeavy Hex Jam NutSteelPlain3/8nc heavy jam nut994
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JacksonMSHeavy Hex Jam NutBrassPlain3/8-16 1/43/8-16 nc heavy jam nut 1/4 thickx5/8 waf591
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