Previous_Page

Hex Bolts [Table 2] (ASTM A307 / A354 / A394)

ASME B 18.2.1 - 2012

Display drawing:

Screw Thread 1/4 5/16 3/8 7/16 1/2 5/8 3/4 7/8 1 1-1/8 1-1/4 1-3/8 1-1/2 1-5/8 1-3/4 1-7/8 2 2-1/4 2-1/2 2-3/4 3 3-1/4 3-1/2 3-3/4 4
Thread Size 1/4 5/16 3/8 7/16 1/2 5/8 3/4 7/8 1 1-1/8 1-1/4 1-3/8 1-1/2 1-5/8 1-3/4 1-7/8 2 2-1/4 2-1/2 2-3/4 3 3-1/4 3-1/2 3-3/4 4
D 0.25 0.3125 0.375 0.4375 0.5 0.625 0.75 0.875 1 1.125 1.25 1.375 1.5 1.625 1.75 1.875 2 2.25 2.5 2.75 3 3.25 3.5 3.75 4
PP UNC 20 18 16 14 13 11 10 9 8 7 7 6 6 None 5 None 4.5 4.5 4 4 4 4 4 4 4
PP UNF 28 24 24 20 20 18 16 14 12 12 12 12 12 None None None None None None None None None None None None
PP UN None None None None None None None None None 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8
Ds Max 0.26 0.324 0.388 0.452 0.515 0.642 0.768 0.895 1.022 1.149 1.277 1.404 1.531 1.658 1.785 1.912 2.039 2.305 2.559 2.827 3.081 3.335 3.589 3.858 4.111
Ds Min 0.237 0.298 0.36 0.421 0.482 0.605 0.729 0.852 0.976 1.098 1.223 1.345 1.47 1.591 1.716 1.839 1.964 2.214 2.461 2.711 2.961 3.21 3.461 3.726 3.975
S Max 0.438 0.5 0.562 0.625 0.75 0.938 1.125 1.312 1.5 1.688 1.875 2.062 2.25 2.438 2.625 2.812 3 3.375 3.75 4.125 4.5 4.875 5.25 5.625 6
S Min 0.425 0.484 0.544 0.603 0.725 0.906 1.088 1.269 1.45 1.631 1.812 1.994 2.175 2.356 2.538 2.719 2.9 3.262 3.625 3.988 4.35 4.712 5.075 5.437 5.8
E Max 0.505 0.577 0.650 0.722 0.866 1.083 1.299 1.516 1.732 1.949 2.165 2.382 2.598 2.815 3.031 3.248 3.464 3.897 4.330 4.763 5.196 5.629 6.062 6.495 6.928
E Min 0.484 0.552 0.620 0.687 0.826 1.033 1.240 1.447 1.653 1.859 2.066 2.273 2.48 2.616 2.893 3.099 3.306 3.719 4.133 4.546 4.959 5.372 5.786 6.198 6.612
K Max 0.188 0.235 0.268 0.316 0.364 0.444 0.524 0.604 0.7 0.78 0.876 0.94 1.036 1.116 1.196 1.276 1.388 1.548 1.708 1.869 2.06 2.251 2.38 2.572 2.764
K Min 0.15 0.195 0.226 0.272 0.302 0.378 0.455 0.531 0.591 0.658 0.749 0.81 0.902 0.978 1.054 1.13 1.175 1.327 1.479 1.632 1.815 1.936 2.057 2.241 2.424
R Max 0.030 0.030 0.030 0.030 0.030 0.060 0.060 0.060 0.090 0.09 0.09 0.09 0.09 0.090 0.120 0.120 0.120 0.19 0.190 0.190 0.190 0.190 0.190 0.190 0.190
R Min 0.010 0.010 0.010 0.010 0.010 0.020 0.020 0.020 0.030 0.03 0.03 0.03 0.03 0.030 0.040 0.040 0.040 0.06 0.060 0.060 0.060 0.060 0.060 0.060 0.060
B L≤6 0.7500 0.8750 1.0000 1.1250 1.2500 1.5000 1.7500 2.0000 2.2500 2.5 2.75 3 3.25 3.5000 3.7500 4.0000 4.2500 4.75 5.2500 5.7500 6.2500 6.7500 7.2500 7.7500 8.2500
B L>6 1.0000 1.1250 1.2500 1.3750 1.5000 1.7500 2.0000 2.2500 2.5000 2.75 3 3.25 3.5 3.7500 4.0000 4.2500 4.5000 5.000 5.5000 6.0000 6.5000 7.0000 7.5000 8.0000 8.5000