Heavy Hex Bolts
ASME B 18.2.1 - 2010
Display drawing:
| Screw Thread | 3 | 2-3/4 | 3 | 2-3/4 | 3/8 | 3/4 | 7/8 | 2-1/2 | 5/8 | 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 | 2-14 | 1/2 | 1-7/8 | 2-1/2 | ||
| Nominal Diameter | 3 | 2-3/4 | 3 | 2-3/4 | 3/8 | 3/4 | 7/8 | 2-1/2 | 5/8 | 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 | 2-14 | 1/2 | 1-7/8 | 2-1/2 | ||
| P | 4 | 4 | 4 | 4 | 16 | 10 | 9 | 4 | 11 | 8 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 4.5 | 4.5 | 4.5 | 13 | 5 | 4 | ||
| Ds | Max | 3.081 | 2.827 | 3.081 | 2.827 | 0.388 | 0.768 | 0.895 | 2.559 | 0.642 | 1.022 | 1.149 | 1.277 | 1.404 | 1.531 | 1.658 | 1.785 | 1.912 | 2.039 | 2.305 | 2.305 | 0.515 | 1.912 | 2.559 | |
| Ds | Min | 2.961 | 2.711 | 2.961 | 2.711 | 0.36 | 0.729 | 0.852 | 2.461 | 0.605 | 0.976 | 1.098 | 1.223 | 1.345 | 1.47 | 1.591 | 1.716 | 1.839 | 1.964 | 2.214 | 2.214 | 0.482 | 1.839 | 2.461 | |
| S | Nominal | 4-5/8 | 4-1/4 | 4-5/8 | 4-1/4 | 11/16 | 1-1/4 | 1-7/16 | 3-7/8 | 1-1/16 | 1-5/8 | 1-13/16 | 2 | 2-3/16 | 2-3/8 | 2-9/16 | 2-3/4 | 2-15/16 | 3-1/8 | 3-1/2 | 3-1/2 | 7/8 | 2-15/16 | 3-7/8 | |
| S | Max | 4.625 | 4.25 | 4.625 | 4.25 | 0.688 | 1.25 | 1.438 | 3.875 | 1.062 | 1.625 | 1.812 | 2 | 2.188 | 2.375 | 2.562 | 2.75 | 2.938 | 3.125 | 3.5 | 3.5 | 0.875 | 2.938 | 3.875 | |
| S | Min | 4.475 | 4.112 | 4.475 | 4.112 | 0.669 | 1.212 | 1.394 | 3.75 | 1.031 | 1.575 | 1.756 | 1.938 | 2.119 | 2.3 | 2.481 | 2.662 | 2.844 | 3.025 | 3.388 | 3.388 | 0.85 | 2.844 | 3.75 | |
| E | Max | 5.34 | 4.907 | 5.34 | 4.907 | 0.794 | 1.443 | 1.66 | 4.474 | 1.227 | 1.876 | 2.093 | 2.309 | 2.526 | 2.742 | 2.959 | 3.175 | 3.392 | 3.608 | 4.041 | 4.041 | 1.01 | 3.392 | 4.474 | |
| E | Min | 5.102 | 4.688 | 5.102 | 4.688 | 0.763 | 1.383 | 1.589 | 4.275 | 1.175 | 1.796 | 2.002 | 2.209 | 2.416 | 2.622 | 2.829 | 3.035 | 3.242 | 3.449 | 3.862 | 3.862 | 0.969 | 3.242 | 4.275 | |
| K | Nominal | 2 | 1-13/16 | 2 | 1-13/16 | 1/4 | 1/2 | 37/64 | 1-21/32 | 27/64 | 43/64 | 3/4 | 27/32 | 29/32 | 1 | 1-3/32 | 1-5/32 | 1-1/4 | 1-11/32 | 1-1/2 | 1-1/2 | 11/32 | 1-1/4 | 1-21/32 | |
| K | Max | 2.06 | 1.869 | 2.06 | 1.869 | 0.268 | 0.524 | 0.604 | 1.708 | 0.444 | 0.7 | 0.78 | 0.876 | 0.94 | 1.036 | 1.116 | 1.196 | 1.276 | 1.388 | 1.548 | 1.548 | 0.364 | 1.276 | 1.708 | |
| K | Min | 1.815 | 1.632 | 1.815 | 1.632 | 0.226 | 0.455 | 0.531 | 1.479 | 0.378 | 0.591 | 0.658 | 0.749 | 0.81 | 0.902 | 0.978 | 1.054 | 1.13 | 1.175 | 1.327 | 1.327 | 0.302 | 1.13 | 1.479 | |
| R | Max | 0.19 | 0.19 | 0.19 | 0.19 | 0.03 | 0.06 | 0.06 | 0.19 | 0.06 | 0.09 | 0.09 | 0.09 | 0.09 | 0.09 | 0.09 | 0.12 | 0.12 | 0.12 | 0.19 | 0.19 | 0.03 | 0.12 | 0.19 | |
| R | Min | 0.06 | 0.06 | 0.06 | 0.06 | 0.01 | 0.02 | 0.02 | 0.06 | 0.02 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.04 | 0.04 | 0.04 | 0.06 | 0.06 | 0.01 | 0.04 | 0.06 | |
| B | L≤6 | 6.25 | 5.75 | 6.25 | 5.75 | 1 | 1.75 | 2 | 5.25 | 1.5 | 2.25 | 2.5 | 2.75 | 3 | 3.25 | 3.5 | 3.75 | 4 | 4.25 | 4.75 | 4.75 | 1.25 | 4 | 5.25 | |
| B | L＞6 | 6.5 | 6 | 6.5 | 6 | 1.25 | 2 | 2.25 | 5.5 | 1.75 | 2.5 | 2.75 | 3 | 3.25 | 3.5 | 3.75 | 4 | 4.25 | 4.5 | 5 | 5 | 1.5 | 4.25 | 5.5 | |