
system size
| order number | catalog number | system size | D2 | D21 | L1 | L2 | KM spare parts package | wrench size actuation screw | Nm | kg |
| 3783935 | BT40BKM32040M | KM32 | 32 | 40 | 40 | 3 | KM32PKG3L | 5mm | 8-11 | 1,01 |
| 3783945 | BT40BKM32090M | KM32 | 32 | — | 90 | 63 | KM32PKG3S | 5mm | 8-11 | 1,25 |
| 3783946 | BT40BKM40040M | KM40 | 40 | 48 | 40 | 4 | KM40PKG3L | 6mm | 12-16 | 1,03 |
| 3783947 | BT40BKM40100M | KM40 | 40 | — | 100 | 73 | KM40PKG3S | 6mm | 12-16 | 1,52 |
| 3783948 | BT40BKM50060M | KM50 | 50 | — | 60 | 33 | KM50PKG3S | 10mm | 27-34 | 1,26 |
| 3783949 | BT40BKM50120M | KM50 | 50 | — | 120 | 93 | KM50PKG3S | 10mm | 27-34 | 2,11 |
NOTE: Do not overtorque actuation screw; use torque recommedations above. Supplied with KM actuation mechanism. For retention knobs, see page J33.