Precautions

ER11 Spindle   Arbor Clamp (1mm-7mm)   Default Hair 3.175 MM Chuck

ER16 Spindle   Arbor Clamp(1mm-10mm)  Default Hair  8 MM Chuck

Drill chuck Spindle  is B12 Chuck
200W motor is Round shaft diameter 8mm         

Working voltage :48VDC 

Power: 200W 

Speed :3000-12000RPM       (12v-3000rpm,24V-6000rpm,36V-9000rpm  .48V-12000rpm)        

Torque:300mN.m

Insulation resistance:> 2 megohms 

Dielectric strength: 400V 

Diameter: 52mm 

Chuck Part Length: Arbor parts 35mm, (including nuts and sandwich 43mm) 

Part chuck diameter: 16mm 

Motor length: 140mm (including gripping parts and motor) 

Spindle runout of about :0.02-0.03.