300W spindle motor DIY dc 12-48 cnc 0.3KW Air cooled spindle motor for PCB milling machine engraving machine ,Anti-Rust

Spindle runout of about :0.01-0.03 Can be used for engraving metal or non-metal and other materials. Package include: 1PCS x 0.3KW Mini spindle motor ER11 ER16 300W spindle motor(Drill chuck Clamping range:1.5-10mm)