Nominal Size or Basic Shoulder Diameter | Shoulder Diameter | Head Diameter | Head Height | Head Chamfer | Hex Socket Size | |||
Max | Min | Max | Min | Max | Min | Max | Nom | |
5/8" (0.625) | 0.6230 | 0.6210 | 0.875 | 0.853 | 0.375 | 0.365 | 0.050 | 5/16 (0.312) |
SEE NOTES | 1 | 2 | 15 |
Key Engagement | Shoulder Neck Diameter | Basic Thread Diameter | Thread Neck Diameter | Thread Length | Shoulder Length | |
Min | Min | Max | Min | Basic | ||
0.234 | 0.602 | 1/2-13 | 0.414 | 0.397 | 0.750 | 1-3/4 |
SEE NOTES | 8 | 13 | 10 | 6 |
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/.