


| Nominal Size | Nominal O.D. | Threads Per Inch | Hex Socket Size | Key Engagement | Wall Thickness | Overall Length |
Tightening
Torque (Steel) |
Tap Drill Size | |
| Min | Min | Min | Max | Inch-Lbs. | |||||
| 1/4 | 0.5400 | 18 | 1/4 | 0.2180 | 0.0730 | 0.4570 | 0.4170 | 600 | 27/64 |
| 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/.