CNC Milling Machine Rotational Axis CNC Router Rotary Table Rotary a axis 4th Axis 65mm 3 Jaw Chuck Dividing Head w/ Nema17 stepper motor w/ 54mm Tailstock Reducing ratio 4:1 for CNC Engraving Machine

Specifications of the K11-65mm CNC 4th Axis: Middle height: 54mm/2.12 inch; Total height: 85mm/ 3.34 inch; Angle: 0.3°/step; Diameter of gear output shaft: 20mm/ 0.78 inch, Reduction ratio: 4:1 belt delay mode Specifications of Chuck: Model: K01-63mm; Jaws: Three-jaw chuck; Chuck Diameter: 63mm/2.48 inch; Internal jaw clamping: 1-50mm/0.04-1.97 inch; External jaw clamping: 16-50mm/0.63-1.97 inch ; Centering precision: 0.05mm/0.0019 inch Specifications of Tailstock: Center height: 54mm; Top tip: activity type; Telescopic stroke: 30mm; Axial lock key for riding stock; Application: The fourth axis can be used for three-dimensional processing of cylinders, bends and circles,widely used in cnc router,milling machines,engraving machine etc Stepper motor: Nema17 2-phase stepper motor 45N.cm 64oz-in 1.7A; 4 Lead Wires: A+ to Red ; A- to Blue; B+ to Green ; B- to Black Advantages: Rust-proof dust cover, polishing and anode oxidation cover, rust protection coating; Stable 3 jaw chuck structure,fine workmanship,solid and practical jaw, excellent process to maximize service life, Weight: 5.33959598564 pounds, Manufacturer: Changzhou Rattm Motor Co.,Ltd