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5/16 Heavy Hex Nuts (ASME B18. 2.2)

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.

22 results, (click on any line for more information)
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SupplierLocTypeMaterialFinishSizeDescriptionQty 
GLFOHHeavy Hex NutSteelPlain5/16-185/16-18 hvy hex nut stl pln b18.2.2 b18.2.6 () () ()4500
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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 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 NutGrade 2HZinc/Yellow5/16-245/16-24 hvy hex nut a194 2h stl zy b18.2.2 b18.2.6 () () ()100
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GLFOHHeavy Hex NutGrade 2HFluoropolymer-Based (Xylan, Fluorokote, Teflon)5/16-185/16-18 hvy hex nut a194 2h stl teflon b18.2.2 b18.2.6 () () ()400
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GLFOHHeavy Hex NutGrade 2HPlain5/16-185/16-18 hvy hex nut a194 2h stl pln b18.2.2 b18.2.6 () () ()1555
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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 NutSteelZinc/Clear5/16-185/16-18 hvy h/n stl znc b18.2.2 b18.2.62000
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QFCTXHeavy Hex NutSteelZinc/Clear5/16-185/16-18 heavy hex nut zinc b18.2.2 b18.2.61987
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QFCTXHeavy Hex NutASTM A563 Grade DHGalvanized5/16-185/16-18 hvy hex nut dh hdg wax/dye domestic b18.2.2 b18.2.6971
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QFCTXHeavy Hex NutASTM A563 Grade DHGalvanized5/16-185/16-18 hvy hex nut dh hdg wax/dye domestic b18.2.2 b18.2.622
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QFCTXHeavy Hex NutGrade 2HGalvanized5/16-185/16-18 hvy hex nut 2h hdg b18.2.2 b18.2.6300
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QFCTXHeavy Hex NutGrade 2HGalvanized5/16-185/16-18 hvy hex nut 2h hdg w/wax b18.2.2 b18.2.61
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B & K FASTPAHeavy Hex NutSteelPlain5/16-185/16-18 heavy hex nuts plain b18.2.2 b18.2.6209414
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B & K FASTPAHeavy Hex NutSteelZinc/Clear5/16-185/16-18 heavy hex nuts zinc b18.2.2 b18.2.625043
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JET FITTINGCAHeavy Hex NutSteelZinc/Clear5/16-185/16-18 heavy hex nut steel zinc b18.2.2 b18.2.61560
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JET FITTINGCAHeavy Hex NutGrade 2HZinc/Yellow5/16-185/16-18 heavy hex nut steel 2h zinc yellow per astm b633-98 sc3 & bake b18.2.2 b18.2.6250
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JET FITTINGCAHeavy Hex NutSteelZinc/Clear5/16-18nut hex 5/1618 brnp hvy rohs compliant asme/ansi b18.2.2 b18.2.2 b18.2.6600
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THRDFASTFLHeavy Hex NutBrassPlain5/16-18hvy hex nut b18.2.2 b18.2.63,663
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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 NutGrade APlain5/16-18a563 gr a hvy hex nut b18.2.2 b18.2.694
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THRDFASTFLHeavy Hex NutGrade AGalvanized5/16-18a563 gr a hvy hex nut hdg b18.2.2 b18.2.688
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