Spindle HuanYang
800W Water-Cooled ER11 Spindle + VFD Kit
$145
Overview
A popular mid-range 800W water-cooled spindle kit that includes a VFD (variable frequency drive), water pump, collets, and mounting bracket. The water cooling keeps the spindle cool during extended cuts, making it ideal for 3040, 6040, and similar mid-size CNC routers. Significantly quieter than air-cooled alternatives.
Best for
Mid-size CNC router owners (3040/6040) who want reliable, quiet operation for extended cutting sessions
Pros
- Water cooling keeps temperatures low during long cuts
- VFD included for precise RPM control from 0-24000
- Very quiet operation compared to air-cooled spindles
- ER11 collet set included with common sizes
- Good balance of power and price for hobby use
Cons
- Water cooling setup adds complexity with pump, reservoir, and hoses
- 800W still underpowered for aggressive aluminum cutting
- VFD requires some electrical knowledge to wire safely
- Water pump adds slight background noise
- ER11 collet limits max bit shank to 7mm