Feature:
1.Air Cooled Spindle:
Size:52mm 
Power:500W
Maximum Torque:0.59Nm
Runout off:0.01mm-0.03mm
work Voltage:110VDC
Speed:12000rpm
Cooled Cooling ER11 collet (3.175mm)
2.power supply:
 
Power Supply with speed governor:(Manual speed regulation)
 
Input:AC220V or AC110V  ± 10%    50/60Hz
 
 Adapter power:500W
 
Support mach3 function
 
this power regulator can adjust 110/220v according to customers' needs
 
 3.52mm clamp :
 
1x 52mm Mount Bracket+4x Screws
 
Applicable to:300w 400w 500w  spindle motor
 
Model: 52mm Spindle motor mount bracket
 
Diameter: 52mm
 
Material: Aluminum alloy
4. 7pcs ER11:
7pcs ER11 Size: 1mm /  2mm / 3mm /  4mm / 5mm /  6mm /  7mm