Ratcheting Square Drive Head
Interchangeable Heads
• Allow use of torque wrench bodies on previous page with sockets, crowfoot wrenches or other similar attachment.
| Square Drive, Inches | J (0.425”) | Y (0.560”) | X (0.735”) | Z (0.990”) | Head O.D., Inches | Depth, Inches | Center of Fastener to Retaining Pin | Ratchet Service Kit |
| 1/4 | QJD8A-72 (28) | — | — | — | 17/32 | 9/64 | QJD Series - 2.50w | RKRT72A |
| 3/8 | QJD12A-80 (60) | — | — | — | 21/32 | 11/64 | QJD Series - 2.50w | RKRF80 |
| 3/8 | — | — | QYD12A-80 (80) | — | 21/32 | 11/64 | QYD Series - 3.00w | RKRF80 |
| 1/2 | QJD16A (60) | — | — | — | 21/32 | 11/64 | QXD Series - 4.50w | RKRS936 |
| 1/2 | — | QXD16A (240) | — | — | 21/32 | 11/64 | QXD Series - 4.50w | RKRS80A |
| 1/2 | — | — | QYD16A (240) | — | 21/32 | 11/64 | QYD Series - 3.00w | RKRS936 |
| 3/4 | — | QXD24A (240) | — | — | 25/32 | 11/64 | QZD Series - 5.75w | RKRQC4 |
| 3/4 | — | — | — | QZD24BDP (480) | 2-1/2 | 1-1/4 | QZD Series - 5.75w | RKRQC4 |
| 1 | — | — | — | QZD32BDP (480) | 29/32 | 11/64 | QZD Series - 5.75w | RKRQC5 |
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