Nut Compatibility Chart

Table X1.1 Nut Compatibility Chart

Grade of BoltFinishNominal SizeA563 Grade and ANSI Nut Style
RecommendedSuitable
HexHeavy HexHexHeavy Hex
A307 Grade A & CAny1/4 to 1-1/2A-B,D,DHA,B,C,D,DH,DH3
A307 Grade A & CAny>1-1/2 to 2-AAC,D,DH,DH3
A307 Grade A & CAny>2 to 4-A-C,D,DH,DH3
A307 Grade BAny1/4 to 1-1/2-AB,D,DH B,C,D,DH,DH3
A307 Grade BAny>1-1/2 to 2-AA-
A307 Grade BAny>2 to 4-A--
A325 Type 1Plain1/2 - 1-1/2-C-C3, D, DH, DH3
A325 Type 1Galvanized1/2 - 1-1/2-DH--
A325 Type 3Plain1/2 - 1-1/2-C3-DH3
A354 Grade BCPlain1/4 to 1-1/2-C-C3, D, DH, DH3
A354 Grade BCPlain>1-1/2 to 4-C-C3, D, DH, DH3
A354 Grade BCGalvanized1/4 to 1-1/2-DH--
A354 Grade BCGalvanized>1-1/2 to 4-DH--
A354 Grade BDPlain1/4 to 1-1/2-DH-D, DH, DH3
A354 Grade BDPlain>1-1/2 to 4-DH-DH3
A449Plain1/4 to 1-1/2B-D, DHB,C,D,DH,DH3
A449Plain>1-1/2 to 3-A-C,C3,D,DH,DH3
A449Galvanized1/4 to 1-1/2-DHD, DHD
A449Galvanized>1-1/2 to 3-DH-D
A490 Type 1Plain1/2 - 1-1/2-DH-DH3
A490 Type 3Plain1/2 - 1-1/2-DH3--
A687Plain5/8 - 3-DH-DH, DH3
A687Galvanized5/8 - 3-DH3--
F1554 Grade 55Plain1/4 to 1-1/2A-B,D,DH A,B,C,D,DH,DH3
F1554 Grade 55Plain>1-1/2 to 4-A-C,D,DH,DH3
F1554 Grade 55Galvanized1/4 to 4-A-C,D,DH,DH3
F1554 Grade 105Plain1/4 to 1-1/2D--DH, DH3
F1554 Grade 105Plain>1-1/2 to 3-DH-DH3
F1554 Grade 105Galvanized1/4 to 3-DH-DH3
Source: ASTM A563-07a Appendix X1

 

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