


| Nominal Size | Nominal O.D. | Threads Per Inch | Hex Socket Size | Key Engagement | Wall Thickness | Overall Length | Tap Drill Size | |
| Min | Min | Min | Max | |||||
| 1/2 | 0.8400 | 14 | 3/8 | 0.3120 | 0.0950 | 0.5820 | 0.5420 | 11/16 |
| NOTES: | 3 | |||||||
Reprinted from ASME/ANSI B18.3 by permission of The American Society of Mechanical Engineers. All rights reserved. For a full copy of the standards, contact the ASME at http://www.asme.org/codes/.