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Heavy Hex Nuts, All Types of Stainless Steel (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.

No results for 400 Stainless (405, 410,416,420,430 etc.), but 59 400 Stainless (405, 410,416,420,430 etc.) items displayed. If you want 400 Stainless (405, 410,416,420,430 etc.), click here.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
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 () () ()97
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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 Nut316, 317, A4 StainlessPlain1/4-201/4-20 hvy hex nut 316 s/s b18.2.2 b18.2.6 () () ()184
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GLFOHHeavy Hex Nut316, 317, A4 StainlessPlain5/16-185/16-18 hvy hex nut 316 s/s b18.2.2 b18.2.6 () () ()489
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GLFOHHeavy Hex Nut316, 317, A4 StainlessPlain1/2-131/2-13 hvy hex nut 316 s/s b18.2.2 b18.2.6 () () ()68
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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 () () ()10
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GLFOHHeavy Hex Nut316, 317, A4 StainlessPlain3/8-163/8-16 hvy hex nut 316 s/s b18.2.2 b18.2.6 () () ()1094
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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 () () ()88
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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 () () ()2
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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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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 Nut316, 317, A4 StainlessPlain7/8-97/8-9 hvy hex nut 316l s/s b18.2.2 b18.2.6 () () ()6
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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 Nut316, 317, A4 StainlessPlain3/8-163/8-16 hvy h/n 316 s/s b18.2.2 b18.2.612
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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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Alma BoltMIHeavy Hex Nut316, 317, A4 StainlessPlain1/4-201/4-20 t-316 st. st. hvy hex nut (b8m) b18.2.2 b18.2.62500
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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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QFCTXHeavy Hex Nut316, 317, A4 StainlessPlain1-81-8 hvy hex nut 316 b18.2.2 b18.2.611
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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 Nut316, 317, A4 StainlessPlain1/2-131/2-13 heavy hex nut stainless t-316 b18.2.2 b18.2.6201
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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 Nut316, 317, A4 StainlessPlain3/4-103/4-10 heavy hex nuts stainless t-316 b18.2.2 b18.2.6260
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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 Nut316, 317, A4 StainlessPlain7/8-97/8-9 heavy hex nuts 316 stainless b18.2.2 b18.2.6185
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B & K FASTPAHeavy Hex Nut316, 317, A4 StainlessPlain1-81-8 heavy hex nuts 316 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 1/4-71 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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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 Nut316, 317, A4 StainlessPlain1/4-20t-316 ss hvy hex nut b18.2.2 b18.2.61,625
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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 Nut316, 317, A4 StainlessPlain3/8-16t-316 ss hvy hex nut domestic b18.2.2 b18.2.662
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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 Nut316, 317, A4 StainlessPlain1 1/8-7t-316 ss hvy hex nut b18.2.2 b18.2.66
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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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