The STEAM AK4212 is a 75-tooth main gear for the AK420 helicopter. Fully CNC machined from imported acetal, it features precision-hobbed teeth and a reinforced mortise-and-tenon structure. Supplied individually, the gear measures Φ19×Φ78×12mm.
The STEAM AK4212 main gear is made for the AK420 helicopter and supplied as one gear measuring Φ19×Φ78×12mm. Its 75-tooth construction combines imported acetal with full CNC machining and high-precision CNC gear hobbing. A reinforced large-frame mortise-and-tenon design provides a lighter, stronger structure, with a gear thickness of 12mm. For improved wear resistance during use, apply STEAM rubber lubricating grease HOT00006.
| Specification | Value & conditions |
|---|---|
| Model | STEAM AK4212 |
| Product type | AK420 main gear |
| Helicopter compatibility | AK420 helicopter |
| Tooth count | 75T |
| Dimensions | Φ19×Φ78×12mm |
| Material | Imported acetal |
| Manufacturing | Fully CNC machined with high-precision CNC gear hobbing |
| Structural design | Reinforced large-frame mortise-and-tenon design for a lighter, stronger structure |
| Recommended lubrication | Apply STEAM rubber lubricating grease HOT00006 for improved wear resistance.Apply during use. |
| Supplied quantity | 1 × AK420 main gear |
