4th Axis Rotary CNC Kit, 57 Phase Stepper Motor with 11Pcs ER32 Collet, CNC Engraving Machine Router Axis Hollow Shaft 4th Axis ER32 Set for CNC Router Engraving Milling Machine(3-20mm)

Chuck type: Standard ER32 collet 3~20mm (Hollow shaft)11 pcs complete set ER32 collet:（3mm,4mm,5mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm）Center height: 65MMHollow shaft diameter: 21MMAngle: 0.3 degree / stepReduction ratio: 6:1 (synchronous belt deceleration mode)Step motor: 57 phase stepper motor (two-phase 4 wire current 3A )Size: length 180MM* width 168MM*115MMMotor: 500RPM;Axis: 80RPM.Product size: 18*16.8*11.5cmNet weight: 5.8kgStepper motor specifications:Step angle: 1.8°±5%Voltage: 4.2VPhase NO: 2Current: 3.0AProduct weight：3.8kgInsulation resistance: 100MOhm(500V DC)Inductance: 3.5±20 mHinsulation class:BResistance:1.4±10 Ωholding torque:18kg.cm

• 【Versatile 4th Axis Rotary CNC Kit】: This complete kit includes a 57 phase stepper motor and an 11-piece set of ER32 collets, making it ideal for enhancing your CNC router engraving and milling machine capabilities.
• 【Comprehensive ER32 Collet Set】: The 4th Axis Rotary CNC Kit comes with 11 standard ER32 collets ranging from 3mm to 20mm, allowing you to work with various materials and sizes effortlessly.
• 【Precision Engineering】: Featuring a hollow shaft design with a diameter of 21mm and a center height of 65mm, this CNC kit ensures accurate positioning and smooth operation, essential for detailed engraving and milling tasks.
• 【Efficient Motor Performance】: Equipped with a powerful 57 phase stepper motor that operates at 500 RPM, this 4th Axis Rotary CNC Kit offers reliable torque and efficiency, achieving a step angle of 1.8° for precision control.
• 【Compact and Lightweight Design】: With dimensions of 180MM x 168MM x 115MM and weighing just 5.8kg, the 4th Axis Rotary CNC Kit is compact enough to fit into any workspace while providing robust performance for all your CNC projects.