---
product_id: 69103464
title: "CNCTOPBAOS CNC Rotary Axis 4th Axis with 3 Jaw Chuck,K11-100mm Hollow Shaft Dividing Head Rotational A Axis,with 65mm Tailstock,Reducing Ratio:6:1 for CNC Router Lathe Engraving Milling Machine"
brand: "cnctopbaos"
price: "€ 583.03"
currency: EUR
in_stock: true
reviews_count: 8
category: "Cnctopbaos"
url: https://www.desertcart.it/products/69103464-cnctopbaos-cnc-rotary-axis-4th-axis-with-3-jaw-chuck
store_origin: IT
region: Italy
---

# Nema23 stepper motor, 270oz-in torque 100mm K11 3-jaw self-centering chuck 6:1 precision reduction ratio CNCTOPBAOS CNC Rotary Axis 4th Axis with 3 Jaw Chuck,K11-100mm Hollow Shaft Dividing Head Rotational A Axis,with 65mm Tailstock,Reducing Ratio:6:1 for CNC Router Lathe Engraving Milling Machine

**Brand:** cnctopbaos
**Price:** € 583.03
**Availability:** ✅ In Stock

## Summary

> ⚙️ Elevate your CNC game with precision that turns heads!

## Quick Answers

- **What is this?** CNCTOPBAOS CNC Rotary Axis 4th Axis with 3 Jaw Chuck,K11-100mm Hollow Shaft Dividing Head Rotational A Axis,with 65mm Tailstock,Reducing Ratio:6:1 for CNC Router Lathe Engraving Milling Machine by cnctopbaos
- **How much does it cost?** € 583.03 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/69103464-cnctopbaos-cnc-rotary-axis-4th-axis-with-3-jaw-chuck)

## Best For

- cnctopbaos enthusiasts

## Why This Product

- Trusted cnctopbaos brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last & Perform:** Crafted from durable aluminum alloy with rust-proof coating and a sturdy MT2 tailstock for enhanced stability and longevity.
- • **Precision at Every Turn:** Experience ultra-smooth 0.3° step increments with a robust 6:1 gear reduction for flawless rotational control.
- • **Heavy-Duty Stepper Motor:** Powered by a Nema23 hybrid stepper motor delivering 180N.cm torque, ensuring stable and reliable performance under load.
- • **Seamless CNC Integration:** Perfectly compatible with routers, lathes, milling, and engraving machines—unlock 4-axis machining and elevate your precision projects.
- • **Versatile Chucking Power:** Secure your workpiece effortlessly with a 100mm K11 3-jaw self-centering chuck, handling diameters from 2mm to 90mm.

## Overview

The CNCTOPBAOS CNC Rotary Axis 4th Axis is a high-precision rotary table featuring a 6:1 reduction ratio and a 100mm K11 3-jaw self-centering chuck. Powered by a robust Nema23 stepper motor with 270oz-in torque, it offers smooth 0.3° step rotation increments. Constructed from durable aluminum alloy with rust-proof coating and equipped with a MT2 tailstock, this axis is designed for stable, long-lasting performance. Ideal for CNC routers, lathes, milling, and engraving machines, it enables advanced 4-axis machining for professional-grade cylindrical and circular workpieces.

## Description

Rotary A Axis Visit the Store Rotary A Axis Visit the Store Rotary A+C Axis Visit the Store Rotary A+C Axis Stepper Motor Driver Visit the Store Stepper Motor Driver Stepper Motor Drivers Visit the Store Stepper Motor Drivers Stepper Motor Mount Visit the Store Stepper Motor Mount Stepper Motor Couplers Visit the Store Stepper Motor Couplers Breakout board Visit the Store Breakout board DC Switching Power Supply Visit the Store DC Switching Power Supply Nema17 Stepper Motor Visit the Store Nema17 Stepper Motor Nema23 Stepper Motor Visit the Store Nema23 Stepper Motor Nema34 Stepper Motor Visit the Store Nema34 Stepper Motor Closed Loop Servo Motor Visit the Store Closed Loop Servo Motor Offline CNC Controller Visit the Store Offline CNC Controller Nema23 Stepper Motor CNC Kit Visit the Store Nema23 Stepper Motor CNC Kit AC Servo Motor Kit Visit the Store AC Servo Motor Kit Worm Gear Reducer Visit the Store Worm Gear Reducer

Review: Good quality rotary axis and good service. - Great rotary axis. Works perfectly, and I can know use my CNC as a lathe for most things. It's larger than you would expect, so plan accordingly. Also, the one thing I wish it could do easily is replace the chuck. It's possible but not recommended. I had a bunch of questions about the device before ordering and got prompt and precise replies each time, so kudos to their excellent customer service.
Review: This thing has no business being as nice as it is for $255. - Update: I have modeled a cover for the belt and pulleys. Thingiverse ID: 7266411 Update: To learn how to update the settings in PathPilot (if installing on a Tormach), find me in the Tormach Operators Group on Facebook. Original: Every once in a while China really outdoes themselves. This is one of those times. This thing is simple, clean and accurate. Now, honestly, there isn't too much to these, but this little package for $250 is a great deal. I found a random $20 controller to go with this and it works great. Spins plenty fast, even with the 6:1 reduction. Mating it to my Tormach took some work, but in the end, operates perfectly. Tormach is not expecting a 4th axis with a 6:1 reduction ratio, so none of the micropulse pin settings on the stepper driver generate a proper 360 degree turn when commanding a 360 degree move. You have to go into an .inc file on the controller and change the 4th axis SCALE. Then, if you want it to turn faster, you have to change some speeds, also in the .ini files. It's all on the LinuxCNC forum. But very easy to do and saves $3000 versus a MicroARC. Highly recommended.

## Features

- Specifications of 4th Axis: Center Height: 65mm (2.56"); Total Height:; 115mm (4.5"); Angle: 0.3°/Step ; Reduction Ratio: 6:1; Base Material: Aluminum Alloy; Size:210x168x115mm (8.3x6.6x4.5"); Weight: 7.7 KG (17 LB); Inner through hole diameter/shaft hollow diameter is 22 mm (0.86")
- Specifications of Stepper Motor: Phase: 2 Phase; Type: Nema23 Hybrid; Step Angle: 1.8 degree; Current: 3A; Holding torque: 270oz-in 180N.cm; Shat Diameter: 8mm; 4 Lead Wires: A+ to Red ; A- to Green ; B+ to Yellow ; B- to Blue; Motor Size: 57x57x76 mm
- Specifications of MT2 Tailstock: Morse Taper 2 Live Center Movable MT2 Tailstock; Center Height: 65 mm(2.56"); Expansion stroke: 45 mm(1.77"); Stretch distance: 50 mm(1.97"); Top tip: Activity type; With Axial locking wrench for tailstock; Exquisite workmanship,Durable,Stable performance,Sturdy and Wear-resistant; Weight: 2.5 KG(5.5 LB)
- Chuck Type: K11-100 3 Jaw self-centering chuck; Diameter:100mm(3.93"); Max input torque: 60 N.m; Max Speed: 3500 r/min; External jaw clamping range: 30-80mm(1.18-3.15").; Internal jaw clamping range: 2-30mm(0.08-1.18"); Internal jaw jamming range: 30-90mm(1.18-3.54");With 3 Anti-claw and Wrench
- Advantages: Rust proof coating process, stable chuck structure, fine workmanship, solid and practical jaw, excellent process to maximize service life; Applications: The 4th axis can be used for three-dimensional processing of cylinders, bends and circles,cnc router,milling machine,engraving machine and carving machines etc

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07B2RTBGZ |
| Amperage | 4 Amps |
| Best Sellers Rank | #480,288 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #148 in Electric Motor Accessories |
| Brand | CNCTOPBAOS |
| Brand Name | CNCTOPBAOS |
| Customer Reviews | 4.5 out of 5 stars 63 Reviews |
| Included Components | Wrench |
| Item Weight | 440 Grams |
| Manufacturer | Changzhou Rattm Motor Co.,Ltd |
| Material | Copper |
| Material Type | Copper |
| Model | K11-100 |
| UPC | 785004502728 |
| Voltage | 500 Volts |

## Product Details

- **Amperage:** 4 Amps
- **Brand:** CNCTOPBAOS
- **Item Weight:** 440 Grams
- **Material:** Copper
- **Voltage:** 500 Volts

## Images

![CNCTOPBAOS CNC Rotary Axis 4th Axis with 3 Jaw Chuck,K11-100mm Hollow Shaft Dividing Head Rotational A Axis,with 65mm Tailstock,Reducing Ratio:6:1 for CNC Router Lathe Engraving Milling Machine - Image 1](https://m.media-amazon.com/images/I/61-R86X6ilL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality rotary axis and good service.
*by R***. on August 31, 2025*

Great rotary axis. Works perfectly, and I can know use my CNC as a lathe for most things. It's larger than you would expect, so plan accordingly. Also, the one thing I wish it could do easily is replace the chuck. It's possible but not recommended. I had a bunch of questions about the device before ordering and got prompt and precise replies each time, so kudos to their excellent customer service.

### ⭐⭐⭐⭐⭐ This thing has no business being as nice as it is for $255.
*by N***K on December 30, 2024*

Update: I have modeled a cover for the belt and pulleys. Thingiverse ID: 7266411 Update: To learn how to update the settings in PathPilot (if installing on a Tormach), find me in the Tormach Operators Group on Facebook. Original: Every once in a while China really outdoes themselves. This is one of those times. This thing is simple, clean and accurate. Now, honestly, there isn't too much to these, but this little package for $250 is a great deal. I found a random $20 controller to go with this and it works great. Spins plenty fast, even with the 6:1 reduction. Mating it to my Tormach took some work, but in the end, operates perfectly. Tormach is not expecting a 4th axis with a 6:1 reduction ratio, so none of the micropulse pin settings on the stepper driver generate a proper 360 degree turn when commanding a 360 degree move. You have to go into an .inc file on the controller and change the 4th axis SCALE. Then, if you want it to turn faster, you have to change some speeds, also in the .ini files. It's all on the LinuxCNC forum. But very easy to do and saves $3000 versus a MicroARC. Highly recommended.

### ⭐⭐⭐⭐ Decent performance but needs
*by V***D on October 14, 2025*

The CNC rotational axis works well for light tasks and setup is straightforward. However, I wish it produced more torque and speed for heavier or faster jobs. Overall, good for hobby use or small projects but may fall short for professional workloads.

## Frequently Bought Together

- CNCTOPBAOS CNC Rotary Axis 4th Axis with 3 Jaw Chuck,K11-100mm Hollow Shaft Dividing Head Rotational A Axis,with 65mm Tailstock,Reducing Ratio:6:1 for CNC Router Lathe Engraving Milling Machine
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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-05-06*