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

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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Buy Heavy Hex Nuts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
BrikksenFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-97/8-9 heavy hex nut ssinquire
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BrikksenFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 heavy hex nut 18-8 ss600
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BrikksenFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-61 1/2-6 heavy hex nut s/sinquire
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BrikksenFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-81-8 heavy hex nut ssinquire
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BrikksenFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-97/8-9 heavy hex nut ssinquire
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BrikksenFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 hvy hex nut s/s 7/8 af x 31/64 thk24000
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BrikksenFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain2-4.52-4.5 heavy hex nut ssinquire
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BrikksenFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 heavy hex nut 18-8 ss waxedinquire
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BrikksenFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/8-71 1/8-7 heavy hex nut 18-8ssinquire
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BrikksenFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 heavy hex nut 18-8 ss 50 per small bag 5 small bags per master pack-generic brandinquire
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BrikksenFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-245/16-24 heavy hex nut s/s48000
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BrikksenFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 heavy hex nut 18-8 ss 100 per small bag 5 small bags per master pack-generic brandinquire
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BrikksenFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-71 1/4-7 hvy hex nut s/s300
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BrikksenFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-147/16-14 heavy hex nut s/s50
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BrikksenFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 hvy hex nut s/s 7/8 af x 31/64 thk9000
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BrikksenFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-103/4-10 heavy hex nut s/s3000
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BrikksenFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-51 3/4-5 heavy hex nut s/sinquire
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BrikksenFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 heavy hex nut 18-8 ss 50 per small bag 5 small bags per master pack-generic brandinquire
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BrikksenFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-71 1/4-7 hvy hex nut s/sinquire
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BrikksenFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 hvy hex nut s/s 7/8 af x 31/64 thk53000
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GLFOHHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-103/4-10 hvy hex nut 18-8 s/s37,000
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SWACOOHHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 hvy hx nut 18-890
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Alma BoltMIHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-81 1/2-8 | st. st. heavy hex nut (b8)23
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Alma BoltMIHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16/2014 | st. st. heavy hex nut (b8)78
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Alma BoltMIHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/8-81 1/8-8 b8 class 2 | st. st. heavy hex nut (b82)14
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Alma BoltMIHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-61 3/8-6 | st. st. heavy hex nut (b8)1
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Alma BoltMIHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 class 2 | st. st. heavy hex nut (b8)1228
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Alma BoltMIHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#88-jan | st. st. heavy hex nut (b8)37
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Alma BoltMIHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 class 2 | st. st. heavy hex nut (b8)460
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OneMonroeMAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 heavy hex nut stainless223
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OneMonroeMAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 heavy hex nut stainless58
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OneMonroeMAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 heavy hex nut 18-8 stainless340
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American WIHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM12-1.75m12-1.75 hvy hex nut sa194-8 #304 ss#N/A
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American WIHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/4-71-1/4-7 hvy hex nut f594 group 7 stainless steel3
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American WIHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)PlainM12-1.75m12-1.75 hvy hex nut sa194-8 #304 ss45
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Field FasILHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 heavy hex nut 18-8 ss300
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Field FasILHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 heavy hex nut a194 8a 304 ss carbide solution treated250
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Field FasILHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-103/4-10 heavy hex nut 18-8 ss no china/india55
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LonghornTXHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 heavy hex nut 18-8 ss35
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LonghornTXHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 heavy hex nut 18-8 ss2
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LonghornTXHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-103/4-10 heavy hex nut s/s7
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Raw ProduNJHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-9heavy hex nuts 304 ss 7/8-934
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Raw ProduNJHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11heavy hex nuts 304 ss 5/8-11146
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Raw ProduNJHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16heavy hex nuts 304 ss 3/8-16700
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Coburn Myers Fastening SystemsPAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plainheavy hex nut 18-8 stainless plain307
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Coburn Myers Fastening SystemsPAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plainheavy hex nut 18-8 stainless plain13
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Coburn Myers Fastening SystemsPAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plainheavy hex nut 18-8 stainless plain772
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Coburn Myers Fastening SystemsPAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plainheavy hex nut 18-8 stainless plain323
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Raw ProduNJHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10heavy hex nuts 304 ss 3/4-10504
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Raw ProduNJHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20heavy hex nuts 304 ss 1/4-204437
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Coburn Myers Fastening SystemsPAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plainheavy hex nut 18-8 stainless plain20
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Coburn Myers Fastening SystemsPAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plainheavy hex nut 18-8 stainless plain166
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Coburn Myers Fastening SystemsPAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plainheavy hex nut 18-8 stainless plain107
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Coburn Myers Fastening SystemsPAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plainheavy hex nut 18-8 stainless plain71
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Coburn Myers Fastening SystemsPAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plainheavy hex nut 18-8 stainless plain23
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Raw ProduNJHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13heavy hex nuts 304 ss 1/2-13787
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Raw ProduNJHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18heavy hex nuts 304 ss 5/16-181360
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QCSORHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 heavy hex nut stainless200
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QCSORHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 heavy hex nut stainless242
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American WIHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-97/8-9 nc hvy hex nut a194-8 cl 2 #304 ss22
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WINAMNHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18heavy hex nut sst 316 5/16-18250
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WINAMNHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16heavy hex nut sst 316 3/8-16200
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ManscoMIHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 hvy hex nut 18-8 s.s.1900
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AFIFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 heavy hex nut ss () ()850
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OlanderCAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 hvy hx nut sst rohs12
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OlanderCAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 hvy hx nut sst rohs | ()313
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CenturyNYHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-1/2-6 hvy hex nut 18-825
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CenturyNYHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 heavy hex nut 18-82172
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HodellOHHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 heavy hex nut 18-8 30410
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HodellOHHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 heavy hex nut 18-8 s/s1000
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HodellOHHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 a194 gr8 domestic hvy hex nut 30434
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DeltaTXHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/2-6hvy hex nut 18-8 sst84
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FTSOHHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20heavy hex nut-18-8ss13200
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HodellOHHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-103/4-10 hvy hex nut 18-8 ss green fluoroko4839
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HodellOHHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/8-71 1/8-7 heavy hex nut 18-8 s/s26
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HodellOHHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-103/4-10 hvy hex nut 18-8 ss green fluoroko4839
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HodellOHHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-97/8-9 heavy hex nut 18-8 s/s93
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HodellOHHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/8-71 1/8-7 heavy hex nut 18-8 s/s26
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HodellOHHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-97/8-9 heavy hex nut 18-8 s/s93
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ASFCORPMIHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 hvy hx nut ss pkg200
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Valley NuWAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/4-7nc hvy hex nut 18-8 ss7
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Valley NuWAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-9nc 18-8 ss hvy hex nut2
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Valley NuWAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13nc 18-8 ss hvy hex nut67
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Valley NuWAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11nc 18-8 ss hvy hex nut14
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Valley NuWAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20nc 18-8 ss hvy hex nut333
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Valley NuWAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 3/4-818-8 ss hvy hex nut1
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Valley NuWAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-8nc 18-8 ss hvy hex nut2
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Valley NuWAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-18nc 18-8 ss hvy hex nut6
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Valley NuWAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-14nc 18-8 ss hvy hex nut72
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Valley NuWAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16nc 18-8 ss hvy hex nut8
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LightningLAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8hvy nut 304-ss306
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LightningLAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8hvy nut 304-ss595
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LightningLAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8hvy nut 304-ss790
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LightningLAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/4-7hvy hex nut 316-ss175
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LightningLAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-11hvy hex nut 316-ss438
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LightningLAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain9/16-12hvy hex nut 316-ss449
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LightningLAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/8-7unc hvy nut 304-ss4
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LightningLAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2hvy nut 304-ss329
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LightningLAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-9hvy hex nut 316-ss125
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LightningLAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-24heavy hex nut 304ss480
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LightningLAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20hvy hex nut 316-ss447
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LightningLAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-8hvy nut 304-ss508
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LightningLAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-14hvy hex nut 316-ss369
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LightningLAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16hvy hex nut 316-ss479
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LightningLAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16hvy nut 304-ss268
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LightningLAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4hvy nut 304-ss8
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LightningLAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-8hvy hex nut 316-ss321
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