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Heavy Hex Jam Nuts , 300 Stainless (A1,A2, 18-8,304,310 etc.)

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. 

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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.)Plain5/16nc heavy jam nut 18-8 s/s128
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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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JacksonMSHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24nf heavy jam nut 18-8 s/s615
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HayesCAHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 1/85/16-18 heavy hex jam nut 1/8 thk 18-8ss3100
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HayesCAHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 heavy hex jam nut 18-8ss100
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HayesCAHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 heavy hex jam nut 18-8ss75
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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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HayesCAHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 heavy hex jam nut 18-8ss346
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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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HayesCAHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 heavy hex jam nut 18-8ss128
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BrikksenFLHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 heavy hex jam nut 18-8 ss7000
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BrikksenFLHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 heavy hex jam nut ss17000
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BrikksenFLHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 heavy hex jam nut 18-8 ssinquire
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BrikksenFLHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 heavy hex jam nut ssinquire
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BrikksenFLHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 heavy hex jam nut 18-8 ss120000
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BrikksenFLHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 heavy hex jam nut ssinquire
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BrikksenFLHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 heavy hex jam nut ss49000
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BrikksenFLHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 heavy hex jam nut ss30000
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BrikksenFLHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 heavy hex jam nut 18-8 ssinquire
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BrikksenFLHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 heavy hex jam nut ssinquire
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BrikksenFLHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 heavy hex jam nut 18-8ssinquire
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BrikksenFLHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 heavy hex jam nut 18-8ssinquire
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BrikksenFLHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 heavy hex jam nut ssinquire
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BrikksenFLHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 heavy hex jam nut 18-8ssinquire
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BrikksenFLHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 heavy hex jam nut ssinquire
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BrikksenFLHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 heavy hex jam nut ssinquire
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BrikksenFLHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 heavy hex jam nut ssinquire
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BrikksenFLHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 heavy hex jam nut ssinquire
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BrikksenFLHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 heavy hex jam nut 18-8ssinquire
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BrikksenFLHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 heavy hex jam nut 18-8 ssinquire
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YANKEENHHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 heavy hex jam nut stainless steel435
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YANKEENHHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 heavy hex jam nut stainless steel101
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Alma BoltMIHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 316 | st st jam heavy hex nuts25
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Alma BoltMIHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/8-71 1/8-7 | st st jam heavy hex nut36
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Alma BoltMIHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4/2020 | st st jam heavy hex nut300
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Alma BoltMIHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4/2010 | st st jam heavy hex nuts12
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Alma BoltMIHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/8-71 1/8-7 | st st jam heavy hex nut50
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Alma BoltMIHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4/2020 | st st jam heavy hex nut190
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NutsBoltsNEHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 ss hvy hex jam nut175
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LibertyILHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18heavy hex jam nut 18-8 s/s330
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LibertyILHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-14heavy hex jam nut 18-8 s/s stainless9
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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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Future FastenerTXHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 heavy hex jam nut ss5
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Future FastenerTXHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 heavy hex jam nut ss52
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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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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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OlanderCAHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18 hvy hx jam nut sst rohs49
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MFSKSHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#5/16-24heavy hex jam nut204
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MidStatesMIHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain9/16-12heavy hex jam nut 18-89
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IPCVAHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 heavy hex jam nut 18-8 s/s steel6
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DeltaTXHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13hvy hex jam nut 18-8 sst 1/2-13199
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B & K FASTPAHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 heavy hex jam nuts stainless t304 b18.2.22
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TSFTXHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain9/16-12heavy hex jam nut ss 9/16-126
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ACFCAHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 s/s heavy hex jam nuts300
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THRDFASTALHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-1818-8 ss heavy hex jam nut b18.2.297
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THRDFASTALHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-2018-8 ss heavy hex jam nut b18.2.2187
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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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THRDFASTALHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-1018-8 ss heavy hex jam nut b18.2.278
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SeattleNBWAHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 3/4-5heavy jam nut 18-8 ss25
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SeattleNBWAHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10heavy jam nut 18-8 ss12
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SeattleNBWAHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/4-7heavy jam nut 18-8 ss25
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SeattleNBWAHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/8-7heavy jam nut 18-8 ss17
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SeattleNBWAHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-8heavy jam nut 18-8 ss20
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SeattleNBWAHeavy Hex Jam Nut300 Stainless (A1,A2, 18-8,304,310 etc .)Plain1 1/2-6heavy jam nut 18-8 ss25
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