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Table 3 Dimensions of Hex Nuts and Hex Jam Nuts |
Nominal Size or Basic Major Dia of Thread |
F | G | H | H1 | Rounout of Bearing Face,FIM | ||||||||||
Width Across Flats |
Width Across Comers |
Thickness Hex Nuts |
Thickness Hex Jam Nuts |
Hex Nuts |
Hex Jam Nuts |
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Speclfied Proof Load |
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Up to 150,000 Psi |
150,000 Psi and Greater |
All Strength Levels |
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Basic | Max | Min | Max | Min | Basic | Max | Min | Basic | Max | Min | Max | ||||
1/4 | 0.2500 | 7/16 | 0.438 | 0.428 | 0.505 | 0.488 | 7/32 | 0.226 | 0.212 | 5/32 | 0.163 | 0.150 | 0.015 | 0.010 | 0.015 |
6.35 | 11.13 | 10.87 | 12.83 | 12.40 | 5.74 | 5.38 | 4.14 | 3.81 | 0.38 | 0.25 | 0.38 | ||||
5/16 | 0.3125 | 1/2 | 0.500 | 0.489 | 0.577 | 0.557 | 17/64 | 0.273 | 0.258 | 3/16 | 0.195 | 0.180 | 0.016 | 0.011 | 0.016 |
7.94 | 12.70 | 12.42 | 14.66 | 14.15 | 6.93 | 6.55 | 4.95 | 4.57 | 0.41 | 0.28 | 0.41 | ||||
3/8 | 0.3750 | 9/16 | 0.562 | 0.551 | 0.650 | 0.628 | 21/64 | 0.337 | 0.320 | 7/32 | 0.227 | 0.210 | 0.017 | 0.012 | 0.017 |
9.53 | 14.27 | 14.00 | 16.51 | 15.95 | 8.56 | 8.13 | 5.77 | 5.33 | 0.43 | 0.30 | 0.43 | ||||
7/16 | 0.4375 | 11/16 | 0.688 | 0.675 | 0.794 | 0.768 | 3/8 | 0.385 | 0.365 | 1/4 | 0.260 | 0.240 | 0.018 | 0.013 | 0.018 |
11.11 | 17.48 | 17.15 | 20.17 | 19.51 | 9.78 | 9.27 | 6.60 | 6.10 | 0.46 | 0.33 | 0.46 | ||||
1/2 | 0.5000 | 3/4 | 0.750 | 0.736 | 0.866 | 0.840 | 7/16 | 0.448 | 0.427 | 5/16 | 0.323 | 0.302 | 0.019 | 0.014 | 0.019 |
12.70 | 19.05 | 18.69 | 22.00 | 21.34 | 11.38 | 10.85 | 8.20 | 7.67 | 0.48 | 0.36 | 0.48 | ||||
9/16 | 0.5625 | 7/8 | 0.875 | 0.861 | 1.010 | 0.982 | 31/64 | 0.496 | 0.473 | 5/16 | 0.324 | 0.301 | 0.020 | 0.015 | 0.020 |
14.29 | 22.23 | 21.87 | 25.65 | 24.94 | 12.60 | 12.01 | 8.23 | 7.65 | 0.51 | 0.38 | 0.51 | ||||
5/8 | 0.6250 | 15/16 | 0.938 | 0.922 | 1.083 | 1.051 | 35/64 | 0.559 | 0.535 | 3/8 | 0.387 | 0.363 | 0.021 | 0.016 | 0.021 |
15.88 | 23.83 | 23.42 | 27.51 | 26.70 | 14.20 | 13.59 | 9.83 | 9.22 | 0.53 | 0.41 | 0.53 | ||||
3/4 | 0.7500 | 1-1/8 | 1.125 | 1.088 | 1.299 | 1.240 | 41/64 | 0.665 | 0.617 | 27/64 | 0.446 | 0.398 | 0.023 | 0.018 | 0.023 |
19.05 | 28.58 | 27.64 | 32.99 | 31.50 | 16.89 | 15.67 | 11.33 | 10.11 | 0.58 | 0.46 | 0.58 | ||||
7/8 | 0.8750 | 1-5/16 | 1.312 | 1.269 | 1.516 | 1.447 | 3/4 | 0.776 | 0.724 | 31/64 | 0.510 | 0.458 | 0.025 | 0.020 | 0.025 |
22.23 | 33.32 | 32.23 | 38.51 | 36.75 | 19.71 | 18.39 | 12.95 | 11.63 | 0.64 | 0.51 | 0.64 | ||||
1 | 1.0000 | 1-1/2 | 1.500 | 1.450 | 1.732 | 1.653 | 55/64 | 0.887 | 0.831 | 35/64 | 0.575 | 0.519 | 0.027 | 0.022 | 0.027 |
25.40 | 38.10 | 36.83 | 43.99 | 41.99 | 22.53 | 21.11 | 14.61 | 13.18 | 0.69 | 0.56 | 0.69 | ||||
1-1/8 | 1.1250 | 1-11/16 | 1.688 | 1.631 | 1.949 | 1.859 | 31/32 | 0.999 | 0.939 | 39/64 | 0.639 | 0.579 | 0.030 | 0.025 | 0.030 |
28.58 | 42.88 | 41.43 | 49.50 | 47.22 | 25.37 | 23.85 | 16.23 | 14.71 | 0.76 | 0.64 | 0.76 | ||||
1-1/4 | 1.2500 | 1-7/8 | 1.875 | 1.812 | 2.165 | 2.066 | 1-1/16 | 1.094 | 1.030 | 23/32 | 0.751 | 0.687 | 0.033 | 0.028 | 0.033 |
31.75 | 47.63 | 46.02 | 54.99 | 52.48 | 27.79 | 26.16 | 19.08 | 17.45 | 0.84 | 0.71 | 0.84 | ||||
1-3/8 | 1.3750 | 2-1/16 | 2.062 | 1.994 | 2.382 | 2.273 | 1-11/64 | 1.206 | 1.138 | 25/32 | 0.815 | 0.747 | 0.036 | 0.031 | 0.036 |
34.93 | 52.37 | 50.65 | 60.50 | 57.73 | 30.63 | 28.91 | 20.70 | 18.97 | 0.91 | 0.79 | 0.91 | ||||
1-1/2 | 1.5000 | 2-1/4 | 2.250 | 2.175 | 2.598 | 2.480 | 1-9/32 | 1.317 | 1.245 | 27/32 | 0.880 | 0.808 | 0.039 | 0.034 | 0.039 |
38.10 | 57.15 | 55.25 | 65.99 | 62.99 | 33.45 | 31.62 | 22.35 | 20.52 | 0.99 | 0.86 | 0.99 |