8mm To 11mm Shaft Sleeve Adapter For RV30 Worm Gear Reducer And RV030 Gearbox, Stepper Motor Bore Adapter 8mm Shaft To 11mm Bore, Turbine Reducer Sleeve, Shaft Sleeve For 8mm To 11mm Motors, Precision Gearbox Accessory

1x 8mm-11mm Shaft Sleeve Adapter for RV30 Turbine Gearbox
✔️ Inner 8mm to 11mm bore, 20mm length, high-quality tool steel

This shaft sleeve adapter is a precision steel sleeve that fits RV30 worm gear reducers and RV030 gearboxes, enabling a smooth connection between an 8mm motor shaft and an 11mm bore. It's commonly used in CNC projects, 3D printer drives, and small automation setups to protect motor shafts and gearbox interfaces, extend life, and reduce wear.

✅ Inner diameter: 8 mm; outer diameter: 11 mm; length: 20 mm
✅ Material: high quality tool steel with high temperature and wear resistance
✅ Fits RV30 worm gear reducers and RV030 gearboxes
✅ Includes 1 x 8mm to 11mm shaft sleeve

💡 What is a shaft sleeve adapter and why is it handy in small gear systems?

- Helps connect mismatched shaft bores and protects components - Handy for CNC, 3D printers, and compact automation projects - Made from durable tool steel for heat and wear resistance - Extends service life of motor-to-gear interfaces