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500 W air-cooled 0.5 kW mini spindle motor + 220 V MACH3 speed power converter + 52 mm clamp + 13 pieces ER11 collet for CNC engraving machine : Amazon.de: DIY & Tools
QWORK 2Pcs T8 400mm Lead Screw and Brass Nut (Acme Thread, 4 Starts, 2mm Pitch, 8mm Lead) Used in 3D Printer: Amazon.com: Industrial & Scientific
STEPPERONLINE Nema 23 Stepper Motor 3 Nm 4.2 A 4-Wire 10 mm Shaft CNC Milling Lathe Plasma Pack of 3 : Amazon.de: Business, Industry & Science