---
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: "$1014.83"
currency: USD
in_stock: true
reviews_count: 8
category: "Cnctopbaos"
url: https://www.desertcart.ec/products/69103464-cnctopbaos-cnc-rotary-axis-4th-axis-with-3-jaw-chuck
store_origin: EC
region: Ecuador
---

# 65mm center height tailstock 100mm K11-3 jaw self-centering chuck 6:1 reduction ratio for precision 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:** $1014.83
**Availability:** ✅ In Stock

## Summary

> ⚙️ Elevate your CNC game with precision and power — don’t let your projects settle for less!

## 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?** $1014.83 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/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:** Aluminum alloy base with rust-proof coating and solid workmanship delivers durability and stable performance under continuous use.
- • **Robust Chuck Grip:** 100mm K11 3-jaw self-centering chuck clamps workpieces securely from 2mm to 90mm for versatile projects.
- • **Tailstock Stability:** 65mm center height MT2 live center tailstock with 45mm expansion stroke guarantees steady support during milling and engraving.
- • **Precision at Every Turn:** 6:1 reduction ratio ensures ultra-fine rotational control for flawless 3D machining.
- • **Seamless CNC Integration:** Compatible with routers, lathes, engraving, and milling machines—unlock your CNC’s full 4-axis potential and stand out in your craft.

## Overview

The CNCTOPBAOS CNC Rotary Axis 4th Axis is a high-precision rotary table featuring a 6:1 reduction ratio, a 100mm K11 3-jaw self-centering chuck, and a 65mm center height MT2 tailstock. Crafted from durable aluminum alloy with rust-proof coating, it supports stable and accurate 3D machining on CNC routers, lathes, engraving, and milling machines. Ideal for professionals and hobbyists seeking to expand their CNC capabilities with reliable, versatile, and precise rotational control.

## Description

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 - desertcart.com

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: Decent performance but needs - 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.

## 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 |
| Assembled Diameter | 100 Millimeters |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #214,066 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #36 in Electric Motor Accessories |
| Brand | CNCTOPBAOS |
| Customer Reviews | 4.4 4.4 out of 5 stars (62) |
| Cutting Diameter | 100 Millimeters |
| Date First Available | May 12, 2017 |
| Included Components | Wrench |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 15.5 ounces |
| Item model number | K11-100 |
| Manufacturer | Changzhou Rattm Motor Co.,Ltd |
| Material | Copper |
| Part Number | S23 |
| Power Source | Corded Electric |
| Size | 100mm |
| Style | K11-100MM |
| 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.

### ⭐⭐⭐⭐ 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.

### ⭐⭐⭐⭐⭐ 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.

## 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
- CNC Digital Stepper Driver DM556 Stepper Motor Controller 2-phase Stepper Motor Driver 20-50V DC Max 5.6A 128 subdivision For Nema 23, 24 and Nema 34 stepper motor

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ec/products/69103464-cnctopbaos-cnc-rotary-axis-4th-axis-with-3-jaw-chuck](https://www.desertcart.ec/products/69103464-cnctopbaos-cnc-rotary-axis-4th-axis-with-3-jaw-chuck)

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-03-07*