

| Wrench Size | Hexagon Width Across Flats | Hexagon Width Across Corners | Length of Short Arm | Length of Long Arm (Short Series) | Radius of Bend | Chamfer | Torsional Shear - Ave. | Torque Rating | ||||
| Max | Min | Max | Min | Max | Min | Max | Min | Min | Max | (Inch-Pounds) | (Inch Pounds) | |
| 3/4 (0.750) | 0.7500 | 0.7470 | 0.8580 | 0.8512 | 2.219 | 2.031 | 7.344 | 7.156 | 0.750 | 0.070 | 19500.0 | 15570.00 |
| SEE NOTES 1 | 2 | 1 | 7 | 8 | ||||||||
NOTES: |
| (1) Ends | (5) Plating |
| (2) Rounding of Corner | (6) Product Applicability |
| (3) Material | (7) Designation |
| (4) For sizes above 1" |
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/.