ASME B 18.2.1 - 2010
Display drawing:
| Screw Thread | 3-1/2 | ||
| D | 3.5 | ||
| P | 4 | ||
| Ds | Max | 3.589 | |
| Ds | Min | 3.461 | |
| S | Nominal | 5-1/4 | |
| S | Max | 5.25 | |
| S | Min | 5.075 | |
| E | Max | 6.062 | |
| E | Min | 5.786 | |
| K | Nominal | 2-5/16 | |
| K | Max | 2.38 | |
| K | Min | 2.057 | |
| R | Max | 0.190 | |
| R | Min | 0.060 | |
| B | L≤6 | 7.25 | |
| B | L>6 | 7.5 | |