
| Nominal Size or Basic Screw Diameter | Body Diameter | Head Diameter | Head Height | Head Chamfer | Hex Socket Size | Key Engagement | Wall Thickness | Edge of Head Chamfer | Grip Length | Body Length | Length | |||
| Max | Min | Max | Min | Max | Min | Max | Nom | Min | Min | Max | Max | Min | Under Head | |
| 1-1/2" (1.5000) | 1.5000 | 1.4818 | 2.250 | 2.224 | 1.500 | 1.485 | 0.176 | 1 (1.000) | 0.745 | 0.570 | 0.020 | 8.25 | 5.92 | 12 |
| SEE NOTES 1 | 2, 15 | 3 | 4 | 20 | 6 | 14 | 15 | 9 , 10 , 11 | ||||||
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/.