
3911 Series Servo Shaft (25 Tooth Spline, 10mm Shaft Diameter, 36mm Length)
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Description
Competition eligibility
Legal for FIRST Tech Challenge (FTC) and FIRST Robotics Competition (FRC). Eligibility is set by each season's game manual — check the current rules before you compete.
Servo shafts pair well with bearings to isolate radial loads. Some shafts have attachment options built in, while others require the use of a clamping part. This provides freedom for adjusting height and orientation.Attaching a round shaft to a servo spline unlocks many possibilities. The shaft is able to slide through a 10mm bearing so that it can be used in applications that would otherwise exert a heavy radial load on the servo. In order to fasten components to the shaft, use a 10mm clamping hub which provides the ability to adjust the height as well as clock the mating part with ease.
Technical drawing

Competition eligibility
| FIRST Tech Challenge (FTC) | Legal |
| FIRST Robotics Competition (FRC) | Legal |
Specifications
| Part number | 3911-0025-1036 |
| Length | 36mm |
| Weight | 4.3g |
| Material | Aluminum |
| Tooth | 25 Tooth Spline |
| Finish | Clear Anodized |
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