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5m Pitch Nema23 Stepper Motor Timing Pulley Wheel, Shaft Bore & Belt Set, Ratio 3:1 Reducer For Diy Cnc Router - Stepper Motor - AliExpress
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Stepper Motor - NEMA-23 Size with 9mm GT2 Pulley [140 oz/in 2.8A] : ID 5117 : $24.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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XL30T Timing Belt Pulley Gear Synchronous Wheel Sprocket 5mm Bore for CNC Stepper Motor 3D Printer: Amazon.com: Industrial & Scientific
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5Pcs GT2 Timing Belt Pulley,16 Teeth 5mm Bore Aluminum Timing Belt Pulley Tool for 3D Printer CNC,Nema 17 Stepper Motors: Amazon.com: Industrial & Scientific
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