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ER11 High Speed Brushed PCB Spindle Motor with 48V 500W 12000 RPM 0.5N.cm for DIY Engraver Accessories - - Amazon.com
CNC 500w Spindle Motor Kit ER11 Chuck + Adjustable 110V Mach3 Power Supply Speed Governor + 52MM Clamp + 13pcs ER11 Collet for Engraving Machine¡ - - Amazon.com
Genmitsu GS-775M 20000RPM 775 CNC Spindle Motor with 5mm ER11 Collet Set, CNC 3018 Upgraded Accessories, DC 24V, High Power, Noise Suppression, Electrical DC Motor for 3018 CNC Router Machine - - Amazon.com
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