| Dimension A, Hex OD, inches | 1/2 |
| Dimension C, Bolt Clearance Depth, inches | 21/32 |
| Size, inches | 5/16 |
| Country Of Origin | USA |
| Dimension B, Square Drive OD, inches | 1/2 |
| Dimension D, Assembly Length, inches | 1-25/32 |
| Dimension E, Hex Depth, inches | 17/64 |
Malaysia