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Heavy Hex Bolts [Table 3] (ASTM A307 / A394)

ASME B 18.2.1 - 2012

Display drawing:

Screw Thread 3/8 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 2-14 2-1/2 2-3/4 3
Nominal Diameter 3/8 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 2-14 2-1/2 2-3/4 3
P 16 13 11 10 9 8 7 7 6 6 6 5 5 4.5 4.5 4 4 4
Ds Max 0.388 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
Ds Min 0.36 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
S Max 0.688 0.875 1.062 1.25 1.438 1.625 1.812 2 2.188 2.375 2.562 2.75 2.938 3.125 3.5 3.875 4.25 4.625
S Min 0.669 0.85 1.031 1.212 1.394 1.575 1.756 1.938 2.119 2.3 2.481 2.662 2.844 3.025 3.388 3.75 4.112 4.475
E Max 0.794 1.01 1.227 1.443 1.66 1.876 2.093 2.309 2.526 2.742 2.959 3.175 3.392 3.608 4.041 4.474 4.907 5.34
E Min 0.763 0.969 1.175 1.383 1.589 1.796 2.002 2.209 2.416 2.622 2.829 3.035 3.242 3.449 3.862 4.275 4.688 5.102
K Max 0.268 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
K Min 0.226 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
R Max 0.03 0.03 0.06 0.06 0.06 0.09 0.09 0.09 0.09 0.09 0.09 0.12 0.12 0.12 0.19 0.19 0.19 0.19
R Min 0.01 0.01 0.02 0.02 0.02 0.03 0.03 0.03 0.03 0.03 0.03 0.04 0.04 0.04 0.06 0.06 0.06 0.06
B L≤6 1 1.25 1.5 1.75 2 2.25 2.5 2.75 3 3.25 3.5 3.75 4 4.25 4.75 5.25 5.75 6.25
B L＞6 1.25 1.5 1.75 2 2.25 2.5 2.75 3 3.25 3.5 3.75 4 4.25 4.5 5 5.5 6 6.5