Hex thick nuts

Dimensional Drawing and Technical Diagrams

_SmIY48_asme-b18.2.2-table-6.jpg

Key Dimensions and Technical Parameters

Dimensions in inches (1 inch=25.4 mm) sourceASME B18.2.2 TABLE 6

Publication date : 2010

Nominal size or Bsic major dia. of the Thread
G min
G max F min
F max
H min H max
1/4
0.488
0.505 0.428 0.438 0.274 0.288
5/16
0.557
0.577 0.489 0.500 0.320 0.336
3/8
0.628
0.650 0.551
0.562
0.398 0.415
7/16
0.698
0.794 0.675
0.688
0.444 0.463
1/2
0.840
0.866 0.736
0.750
0.552 0.573
9/16
0.910 1.010 0.861
0.875
0.598 0.621
5/8
1.051
1.083 0.922 0.938 0.706 0.731
3/4
1.254
1.299 1.088
1.125
0.798 0.827
7/8
1.465 1.516 1.269
1.312
0.890 0.922
1
1.675
1.732 1.450
1.500
0.982 1.018
1-1/8 1.859 1.949 1.631 1.625 1.136 1.176
1-1/4 2.066 2.165 1.812 1.875 1.228 1.272
1-3/8 2.273 2.382 1.994 2.062 1.351 1.399
1-1/2 2.480 2.598 2.175 2.250 1.474 1.526