Ultimate Flexibility: One Coupling. Any Motor Type.
We’ve resolved your motor-gearbox compatibility concerns. Our new universal coupling system allows you to pair Helical gearboxes with any motor type—IEC, NEMA, AC, DC, or Servo—using a single, standardized cover.
How it Works?
The system uses two precision-engineered steel half-couplings joined by a high-durability synthetic elastic element. The motor-side hub features an integrated clamping device, providing a secure, 360° grip on the shaft. This eliminates the need for a traditional keyway, ensuring a more balanced and reliable power transmission.


GI ALU Series
GI ALU Series Compatibility Guide
| Standard Shaft | Inch | mm |
|---|---|---|
| GI-002 | 0.75 | 20 16* Special 25* Special |
| GI 112 - GI 113 | 0.75 | 20 |
| GI-022 - GI-023 | 1.00 | 25 |
| GI-032 - GI-033 | 1.25 | 30 |
| GI-042 - GI-043 | 1.375 | 35 |
ALU Series
- Die-cast aluminum housings and input flanges
- Cast iron feet and output flanges
- Ground-hardened helical gears
- Permanent synthetic oil long-life lubrication
- Housing in standard Grey RAL 9006
GHI IRON Series
GHI IRON Series Compatibility Guide
| Standard Shaft | Inch | mm |
|---|---|---|
| GHI 112 - GHI 113 | 1.375 | 35 40* Special |
| GHI 112 - GHI 123 | 1.625 | 40 50* Special |
| GHI 132 - GHI 133 | 2.125 | 50 60* Special |
| GHI 142 - GHI 143 | 2.375 | 60 70* Special |
IRON Series
- Robust cast iron housings
- High degree of modularity
- Lubrication with synthetic oil
- Coupled to motor with flexible coupling
- Epoxy powder coating RAL 7016 standard

Versatile Motor Compatibility
Change motor types (IEC to NEMA or AC to Servo) simply by swapping the motor-side half-coupling and flange. No need to replace the entire gearbox.
Unlock Servo Potential
The keyless clamping design is built for high-performance brushless motors. Handle rapid accelerations, sharp decelerations, and instant reversals without the risk of shearing a keyway.


Zero Fretting
Traditional sleeves often “weld” to the motor shaft over time due to contact oxidation. Our dual-steel half-coupling design ensures the motor always slides off easily, even after years of operation.
Cooler Operation = Longer Life
The synthetic elastic element dampens vibration and reduces heat transfer. Lower operating temperatures mean your oil seals and lubricants last significantly longer.






