
lock drive wrench size
| order number | catalog number | D1 | D2 | D4 | G1 | L1 | screw | key | retention screw | lbs |
| 1925520 | QC50SM050125 | 1/2 | 1.44 | — | — | 1.25 | KLS05 | KDK04 | 3/16 | 5.71 |
| 1018983 | QC50SM075125 | 3/4 | 1.75 | — | — | 1.25 | KLS07 | KDK05 | 1/4 | 5.78 |
| 1019273 | QC50SM075600 | 3/4 | 1.75 | — | — | 6.00 | KLS07 | KDK05 | 1/4 | 9.40 |
| 1019024 | QC50SM100188 | 1 | 2.19 | — | — | 1.88 | KLS10 | KDK06 | 5/16 | 7.28 |
| 1019334 | QC50SM100600 | 1 | 2.19 | — | — | 6.00 | KLS10 | KDK06 | 5/16 | 11.57 |
| 1019335 | QC50SM100800 | 1 | 2.19 | — | — | 8.00 | KLS10 | KDK06 | 5/16 | 14.36 |
| 1019336 | QC50SM125600 | 1-1/4 | 2.75 | — | — | 6.00 | KLS12 | KDK08 | 5/16 | 14.45 |
| 1019337 | QC50SM1251000 | 1-1/4 | 2.75 | — | — | 10.00 | KLS12 | KDK08 | 5/16 | 20.66 |
| 1019025 | QC50SM125188 | 1-1/4 | 2.88 | — | — | 1.88 | KLS12 | KDK08 | 5/16 | 14.78 |
| 1019146 | QC50SM150188 | 1-1/2 | 3.38 | — | — | 1.88 | KLS15 | KDK10 | 3/8 | 8.99 |
| 1019095 | QC50SM200188 | 2 | 4.88 4.00 | 5/8-11 UNC | 1.88 | KLS20 | KDK12 | 9/16 | 11.04 | |
| 1019026 | QC50SM250200 | 2-1/2 | 4.88 4.00 | 5/8-11 UNC | 2.00 | — | KDK16 | 1/2 | 11.94 |
NOTE: Do not overtighten lock screw; use torque recommendations above. Supplied with lock screw and drive keys. Interchangeable coolant-style lock screws are available and must be ordered separately; see page J26. Lock screw wrench not included. For retention knob, see page J33.