External Threaded U-joint: KQ2U
| Tube φD | Model | Connector Thread | Connector Hexagon | Connector Dimension | Mounting Hole Diameter B | |||
| Dimension | A/A1 | H | S | φ | L | |||
| φ4 | KQ2U04-M5 | M5×0.8 | 4 | 3.3 | 12 | 11 | 39.5 | 18 |
| KQ2U04-01S | 1/8″ | 7.5 | 4 | 42 | ||||
| KQ2U04-02S | 1/4″ | 10.5 | 5.5 | 46 | ||||
| KQ2U04-03S | 3/8″ | 11 | 6 | 49.5 | ||||
| φ6 | KQ2U06-M5 | M5×0.8 | 4 | 3.3 | 14 | 13.2 | 42.5 | 20 |
| KQ2U06-01S | 1/8″ | 7.5 | 4 | 45.5 | ||||
| KQ2U06-02S | 1/4″ | 10.5 | 5.5 | 49 | ||||
| KQ2U06-03S | 3/8″ | 11 | 6 | 17 | 51 | |||
| φ8 | KQ2U08-01S | 1/8″ | 7.5 | 4 | 15.6 | 52.5 | 24.5 | |
| KQ2U08-02S | 1/4″ | 10.5 | 5.5 | 55.5 | ||||
| KQ2U08-03S | 3/8” | 11 | 6 | 56.5 | ||||
| φ10 | KQ2U10-01S | 1/8″ | 7.5 | 4 | 19 | 18.8 | 58 | 27.5 |
| KQ2U10-02S | 1/4″ | 10.5 | 5.5 | 61 | ||||
| KQ2U10-03S | 3/8″ | 11 | 6 | 62 | ||||
| KQ2U10-04S | 1/2″ | 14.2 | 7 | 22 | 65 | 30 | ||
| φ12 | KQ2U12-02S | 1/4″ | 10.5 | 5.5 | 19 | 21.3 | 64.5 | |
| KQ2U12-03S | 3/8″ | 11 | 6 | 65.5 | ||||
| KQ2U12-04S | 1/2″ | 14.2 | 7 | 22 | 68.5 | |||
Equal-diameter U-shaped Joint: KQ2U
| Tube φD | Model | Connector External Diameter φ | Connector Length L | Mounting Hole Diameter B |
| φ4 | KQ2U04-00 | 10.4 | 34 | 18 |
| φ6 | KQ2U06-00 | 12.8 | 37 | 20 |
| φ8 | KQ2U08-00 | 15.2 | 42.5 | 24.5 |
| φ10 | KQ2U10-00 | 18.5 | 48 | 27.5 |
| φ12 | KQ2U12-00 | 20.9 | 51 | 30 |
Reducing-diameter U-joint: KQ2U
| Tube φD | Model | Connector External Diameter φ | Connector Length L | Mounting Hole DistanceB | Tube External Diameter φd |
| φ6 | KQ2U04-06 | 12.8 | 37 | 20 | 4 |
| φ8 | KQ2U06-08 | 15.2 | 42.5 | 24.5 | 6 |
| φ10 | KQ2U08-10 | 18.5 | 48 | 27.5 | 8 |
| φ12 | KQ2U10-12 | 20.9 | 51 | 30 | 10 |
