ANSI Socket Head Screw Engineering Dimensional Data Table Chart - Engineers Edge
Hardware ANSI Engineering Data
ANSI Socket Head Screw Engineering Dimensional Data Table Chart per ASME / ANSI B18.3 and ASTM A574.
All dimensional data is given in inches.
Basic Diameter | A Head Dia. | H Head Height | S Side Height | J Hex Size | T Key Engage | F Fillet Radius |
NO.0 | 0.096 | 0.060 | 0.054 | 0.051 | 0.025 | 0.002 |
NO.1 | 0.1180 | 0.0730 | 0.0660 | 0.0635 | 0.031 | 0.003 |
NO.2 | 0.140 | 0.086 | 0.077 | 0.079 | 0.038 | 0.003 |
NO.3 | 0.161 | 0.099 | 0.089 | 0.079 | 0.044 | 0.004 |
NO.4 | 0.183 | 0.112 | 0.101 | 0.0952 | 0.051 | 0.004 |
NO.5 | 0.205 | 0.125 | 0.112 | 0.0952 | 0.057 | 0.005 |
NO.6 | 0.226 | 0.138 | 0.124 | 0.1111 | 0.064 | 0.005 |
NO.8 | 0.2700 | 0.1640 | 0.1480 | 0.1426 | 0.077 | 0.006 |
NO.10 | 0.312 | 0.190 | 0.171 | 0.1587 | 0.090 | 0.006 |
.25 | 0.375 | 0.250 | 0.225 | 0.190 | 0.120 | 0.007 |
.3125 | 0.469 | 0.313 | 0.281 | 0.253 | 0.151 | 0.009 |
.375 | 0.5620 | 0.3750 | 0.3370 | 0.3160 | 0.1820 | 0.0120 |
.4375 | 0.656 | 0.438 | 0.394 | 0.379 | 0.213 | 0.014 |
.5 | 0.750 | 0.500 | 0.450 | 0.379 | 0.245 | 0.016 |
.625 | 0.938 | 0.625 | 0.562 | 0.505 | 0.307 | 0.021 |
.75 | 1.125 | 0.7500 | 0.675 | 0.631 | 0.370 | 0.025 |
.875 | 1.312 | 0.875 | 0.787 | 0.757 | 0.432 | 0.031 |
1 | 1.500 | 1.000 | 0.900 | 0.757 | 0.495 | 0.034 |
1.125 | 1.688 | 1.125 | 1.012 | 0.885 | 0.557 | 0.039 |
1.25 | 1.875 | 1.250 | 1.125 | 0.885 | 0.620 | 0.044 |
1.375 | 2.062 | 1.375 | 1.237 | 1.010 | 0.682 | 0.048 |
1.5 | 2.250 | 1.500 | 1.350 | 1.010 | 0.745 | 0.052 |
1.75 | 2.625 | 1.750 | 1.575 | 1.265 | 0.870 | 0.062 |
2 | 3.000 | 2.000 | 1.800 | 1.515 | 0.995 | 0.071 |
2.25 | 3.375 | 2.250 | 2.025 | 1.765 | 1.120 | 0.080 |
2.5 | 3.750 | 2.500 | 2.250 | 1.765 | 1.245 | 0.088 |
2.75 | 4.125 | 2.750 | 2.475 | 2.015 | 1.370 | 0.097 |
3 | 4.500 | 3.000 | 2.700 | 2.265 | 1.495 | 0.106 |
3.25 | 4.875 | 3.250 | 2.925 | 2.265 | 1.620 | 0.114 |
3.5 | 5.250 | 3.500 | 3.150 | 2.765 | 1.745 | 0.124 |
3.75 | 5.625 | 3.750 | 3.375 | 2.765 | 1.870 | 0.134 |
4 | 6.000 | 4.000 | 3.600 | 3.015 | 1.995 | 0.143 |