


| Nominal Size | Nominal O.D. | Threads Per Inch | Hex Socket Size | Key Engagement | Wall Thickness |
Overall Length |
Tap Drill Size | |
| Min | Min | Min | Max | |||||
| 3/8 | 0.6750 | 18 | 5/16 | 0.2500 | 0.0840 | 0.5200 | 0.4800 | 9/16 |
| 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/.