85mm CNC Hollow Rotary Actuator Rotating Platform With 10:1 Gear Ratio For Nema 23 Stepper Motors 8mm Input Shaft 1Pcs Pro Grade Hollow Shaft Rotary Stage For DIY CNC Milling And Robotics
✔️ 85mm dia hollow stage, 8mm shaft, 10:1 gear, 1pc, ready install
This pro-grade hollow-shaft rotary stage is designed for precise angular positioning in CNC milling, robotics, and automation projects. Its compact 85mm diameter fits on small tooling setups and is ideal for mounting onto NEMA 23 driven axes.
| Dimension | Value |
|---|---|
| Diameter | 85mm (3.35") |
| Input shaft | 8mm (0.315") |
| Gear ratio | 10:1 |
| Pack | 1 piece |
✅ 85mm diameter hollow rotary stage (3.35" dia) for compact integration
✅ 8mm input shaft for easy coupling with NEMA 23 motors
✅ 10:1 gear ratio provides higher torque for precise positioning
✅ Pro-grade hollow shaft design minimizes obstruction for cabling
✅ Aluminum construction keeps weight down while maintaining stiffness
✅ Suitable for DIY CNC milling and robotics projects
💡 What is a hollow shaft rotary stage used for in CNC milling and robotics? A handy device that adds precise rotation in tight spaces, with cabling passing through the hollow shaft. - Handy for adding a compact rotary axis to small CNC rigs
- Great for robotics grippers and alignment tasks
- Improves repeatability and control over angular positioning