Nominal Size | Nominal O.D. | Threads Per Inch | Hex Socket Size | Key Engagement | Wall Thickness | Overall Length |
Tap Drill Size | |
Min | Min | Min | Max | |||||
1/4 | 0.5400 | 18 | 1/4 | 0.2180 | 0.0730 | 0.4570 | 0.4170 | 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/.