Wuxi Lowifar Technology Co., Ltd.
| Type | Ap | Fn |
| (mm) | (mm/rev) | |
| 4NKT040202R-M | 0.50-3.00 | 0.04-0.08 |
| 4NKT040204R-M | 1.00-3.00 | 0.06-0.12 |
| 4NKT040208R-M | 1.00-3.00 | 0.06-0.12 |
| 4NKT060304R-M | 0.50-5.00 | 0.07-0.15 |
| 4NKT060308R-M | 1.00-5.00 | 0.07-0.15 |
| 4NKT060312R-M | 1.00-5.00 | 0.07-0.15 |
| 4NKT060316R-M | 2.00-4.50 | 0.07-0.15 |
| 4NKT060320R-M | 2.00-4.50 | 0.07-0.15 |
| 4NKT090408R-M | 2.50-7.00 | 0.07-0.15 |
| 4NKT090416R-M | 2.50-7.00 | 0.07-0.15 |
| 4NKT110608R-M | 3.50-10.0 | 0.09-0.15 |
