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Heavy Hex Nuts, 300 Stainless (A1,A2, 18-8,304,310 etc.) (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 
BHAMALHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/8-71 1/8-7 hvy hex nut 300 ser ss b18.2.2 b18.2.6100
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BHAMALHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 81/2-13 hvy hex nut a194-8m s/s b18.2.2 b18.2.626
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BHAMALHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 hvy hex nut 300 ser ss b18.2.2 b18.2.62500
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AbabaCAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-81-8 hvy h/n s/s b18.2.2 b18.2.650
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AbabaCAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/2-61 1/2-6 hvy h/n s/s b18.2.2 b18.2.612
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AbabaCAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 hvy h/n s/s b18.2.2 b18.2.6200
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AbabaCAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 hvy h/n s/s b18.2.2 b18.2.6312
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AbabaCAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 hvy h/n s/s b18.2.2 b18.2.6103
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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 Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-103/4-10 hvy h/n s/s b18.2.2 b18.2.6100
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AbabaCAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-97/8-9 hvy h/n s/s b18.2.2 b18.2.64
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GLFOHHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-97/8-9 hvy hex nut 18-8 s/s b18.2.2 b18.2.6 () () ()153
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GLFOHHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-147/16-14 hvy hex nut 18-8 s/s b18.2.2 b18.2.6 () () ()200
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GLFOHHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-81-8 hvy hex nut 18-8 s/s b18.2.2 b18.2.6 () () ()35
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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 () () ()382
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GLFOHHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-185/16-18 hvy hex nut 18-8 s/s b18.2.2 b18.2.6 () () ()160
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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 () () ()7
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GLFOHHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 hvy hex nut 18-8 s/s b18.2.2 b18.2.6 () () ()45
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StandardMAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-81-8 heavy full nut 18-8 stainless steel b18.2.2 b18.2.62338
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StandardMAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/4-71-1/4-7 heavy full nut 18-8 stainless steel b18.2.2 b18.2.6455
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StandardMAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-97/8-9 heavy full nut 18-8 stainless steel b18.2.2 b18.2.62438
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StandardMAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/2-61-1/2-6 heavy full nut 18-8 stainless steel b18.2.2 b18.2.6174
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StandardMAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 3/4-51-3/4-5 heavy full nut 18-8 stainless steel b18.2.2 b18.2.6137
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StandardMAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/8-71-1/8-7 heavy full nut 18-8 stainless steel b18.2.2 b18.2.6274
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StandardMAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 heavy full nut 18-8 stainless steel b18.2.2 b18.2.62133
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StandardMAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-103/4-10 heavy full nut 18-8 stainless steel b18.2.2 b18.2.610133
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StandardMAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/16-147/16-14 heavy full nut 18-8 stainless steel b18.2.2 b18.2.63765
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StandardMAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 heavy full nut 18-8 stainless steel b18.2.2 b18.2.62091
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QFCTXHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 heavy hex nut 18-8 s/s b18.2.2 b18.2.61465
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QFCTXHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 heavy hex nut 18-8 s/s b18.2.2 b18.2.6884
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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 Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-103/4-10 heavy hex nut 18-8 s/s b18.2.2 b18.2.6438
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QFCTXHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-103/4-10 heavy hex nut 18-8 s/s b18.2.2 b18.2.6250
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QFCTXHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 hvy hex nut 18-8 b18.2.2 b18.2.692
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QFCTXHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 hvy hex nut 18-8 b18.2.2 b18.2.6351
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QFCTXHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 hvy hex nut 18-8 b18.2.2 b18.2.627
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QFCTXHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/8-115/8-11 hvy hex nut 18-8 b18.2.2 b18.2.6250
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QFCTXHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-103/4-10 hvy hex nut 18-8 b18.2.2 b18.2.6124
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QFCTXHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-103/4-10 hvy hex nut 18-8 b18.2.2 b18.2.6354
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QFCTXHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-103/4-10 hvy hex nut 18-8 b18.2.2 b18.2.6308
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QFCTXHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-97/8-9 hvy hex nut 18-8 b18.2.2 b18.2.62
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B & K FASTPAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 heavy hex nuts 18-8 stainless b18.2.2 b18.2.64741
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B & K FASTPAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 heavy hex nuts 18-8 stainless b18.2.2 b18.2.650
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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 Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-97/8-9 heavy hex nuts 18-8 stainless b18.2.2 b18.2.6172
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B & K FASTPAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/4-71 1/4-7 heavy hex nuts 18-8 stainless b18.2.2 b18.2.68
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B & K FASTPAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/2-61 1/2-6 heavy hex nuts stainless 18-8 b18.2.2 b18.2.67
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BHAMGAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain11 310 ss heavy hex nuts b18.2.2 b18.2.618
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BHAMGAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain11 310 ss heavy hex nuts b18.2.2 b18.2.611
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BHAMGAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-81-8 309 ss heavy hex nuts b18.2.2 b18.2.622
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BHAMGAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/4-121 1/4-12 309 ss heavy hex nuts b18.2.2 b18.2.613
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BHAMGAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-81-8 309 ss heavy hex nuts b18.2.2 b18.2.630
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BHAMGAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain11 310 ss heavy hex nuts b18.2.2 b18.2.620
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BHAMGAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/8-7 x 3301 1/8-7 330 ss heavy hex nuts b18.2.2 b18.2.613
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BHAMGAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-131/2-13 321 ss heavy hex nuts b18.2.2 b18.2.615
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BHAMGAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 3/81 3/8 18-8 304 310 heavy hex nuts b18.2.2 b18.2.616
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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 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 Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 304 ss heavy hex nuts b18.2.2 b18.2.6457
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BHAMGAHeavy Hex Nut300 Stainless (A1,A2, 1 8-8,304,310 etc.)Plain3/4-103/4-10 304 ss heavy hex nuts b18.2.2 b18.2.69
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BHAMGAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 304 ss heavy hex nuts b18.2.2 b18.2.6138
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BHAMGAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 304 ss heavy hex nuts b18.2.2 b18.2.6194
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BHAMGAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 304 ss heavy hex nuts b18.2.2 b18.2.6100
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BHAMGAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 304 ss heavy hex nuts b18.2.2 b18.2.693
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BHAMGAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-103/4-10 304 ss heavy hex nuts b18.2.2 b18.2.693
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BHAMGAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/43/4 304 ss heavy hex nuts b18.2.2 b18.2.627
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BHAMGAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/87/8 304 ss heavy hex nuts b18.2.2 b18.2.653
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Marine FastenersFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/2-61 1/2-6 heavy hex nut s/s b18.2.2 b18.2.63693
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Marine FastenersFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-163/8-16 heavy hex nut s/s b18.2.2 b18.2.6179319
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Marine FastenersFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-97/8-9 heavy hex nut ss b18.2.2 b18.2.66239
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Marine FastenersFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain2-4 1/22-4.5 heavy hex nut ss b18.2.2 b18.2.6262
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Marine FastenersFLHeavy 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 brand b18.2.2 b18.2.611800
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Marine FastenersFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-201/4-20 heavy hex nut ss 100 per box b18.2.2 b18.2.6308
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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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PerigeeMIHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated9/16-12 x 15/16 x 35/649/16-12 x 15/16 x 35/64 heavy hex nut b18.2.2 b18.2.6352
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WurthOntHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-9nut hvy hx sst (18-8) (pl) 7/8-9 b18.2.2 b18.2.6200
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JET FITTINGCAHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/8nut hex 1-1/8 7 ss hvy rohs compliant asme/ansi b18.2.2 b18.2.2 b18.2.64
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THRDFASTFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain5/16-1818-8 ss hvy hex nut b18.2.2 b18.2.6116
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THRDFASTFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/8-718-8 ss hvy hex nut b18.2.2 b18.2.67
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THRDFASTFLHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-2018-8 ss hvy hex nut b18.2.2 b18.2.63
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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 Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10t304l ss hvy hex nut b18.2.2 b18.2.61
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THRDFASTOKHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-2018-8 ss hvy hex nut b18.2.2 b18.2.680
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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 Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-8t-310 ss hvy hex nut b18.2.2 b18.2.66
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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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KBSTNHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1-81-8 heavy hex nut s/s b18.2.2 b18.2.695
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THRDFASTALHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/4-718-8 ss hvy hex nut b18.2.2 b18.2.624
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THRDFASTALHeavy Hex Nut300 Stainless (A1,A2, 18-8,304,310 etc.)Plain7/8-918-8 ss hvy hex nut b18.2.2 b18.2.68
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