Overview
The RJXHOBBY aluminum servo horn is a 25T (Futaba/Savox) CNC-machined servo arm for RC servo output shafts. It is finished in blue and uses M3 mounting hardware with a Ø3.1 center bore as shown in the drawings.
Key Features
- 25T spline interface for Futaba/Savox servos
- CNC aluminium construction
- Blue color
- M3 mounting holes
Specifications
| Brand | RJXHOBBY |
| Product | Aluminum servo horn |
| Spline | 25T (Futaba/Savox) |
| Material | CNC Aluminium |
| Color | Blue |
| Mounting thread | M3 |
| Center bore | Ø3.1 |
Dimensions (by length option)
| Option | Overall length | Arm length | Other marked dimensions |
|---|---|---|---|
| 20mm | 33 | 20 | Hub height: 7; End thickness: 4; Side height: 15; End offset: 4 |
| 30mm | 42.8 | 25 | Hub height: 7; End thickness: 4; Side height: 15; End offset: 5 |
| 40mm | 53 | 33 | Hub height: 7; End thickness: 4; Side height: 15.5; End offset: 7 |
| 50mm | 63 | 50 | Hub height: 7.2; End thickness: 4; Side height: 15.4; End offset: 4 |
What’s Included
- 1 x RJXHOBBY 25T aluminum servo horn (blue)
For compatibility questions (servo spline fit, linkage hardware, or choosing the correct length), contact support@rcdrone.top or visit https://rcdrone.top/.
Details

This 25T aluminum servo horn uses M3 mounting holes and comes in 40mm and 50mm arm length options for linkage setup.

The 25T servo horn uses M3 mounting holes and is dimensioned for 20mm or 30mm arm lengths to suit different linkage setups.
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