Interchangeable Head
Center of fastener to retaining pin:
• QJRXSM Series – 2.50"
| MM | J (0.425") | Y (0.560") | O.D., MM | Head Depth, MM |
| 10 | QJRXSM10A (33) | — | 20 | 8 |
| 11 | QJRXSM11A (42) | — | 21 | 9 |
| 12 | QJRXSM12A (50) | — | 22 | 9 |
| 13 | QJRXSM13A (58) | — | 24 | 9 |
| 14 | QJRXSM14A (60) | — | 25 | 10 |
| 16 | — | QYRXSM16A (75) | 27 | 11 |
| 17 | QJRXSM17A (60) | QYRXSM17A (83) | 29 | 11 |
| 18 | QJRXSM18A (60) | QYRXSM18A (94) | 30 | 12 |
| 19 | QJRXSM19A (60) | QYRXSM19A (104) | 32 | 12 |
| 20 | — | QYRXSM20A (113) | 33 | 13 |