---
product_id: 222651822
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: "€ 913.58"
currency: EUR
in_stock: true
reviews_count: 5
category: "Cnctopbaos"
url: https://www.desertcart.nl/products/222651822-cnctopbaos-cnc-rotary-axis-4th-axis-with-3-jaw-chuck
store_origin: NL
region: Netherlands
---

# Nema23 270oz-in stepper motor 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:** € 913.58
**Availability:** ✅ In Stock

## Summary

> ⚙️ Elevate your CNC game with precision, power, and pro-level durability!

## 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?** € 913.58 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/222651822-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 precision craftsmanship for enduring performance in professional CNC setups.
- • **Robust Chuck Grip:** K11 100mm 3-jaw chuck clamps from 2mm to 90mm, securing your workpiece with rock-solid stability.
- • **Tailstock Stability:** 65mm center height MT2 tailstock with 50mm stroke locks your workpiece firmly for complex milling and engraving.
- • **Powerful Stepper Motor:** Nema23 motor delivers 180N.cm holding torque, ensuring smooth, reliable rotation under load.
- • **Precision at Every Turn:** Achieve ultra-fine 0.3° step increments for flawless 4th axis control.

## Overview

The CNCTOPBAOS CNC Rotary Axis 4th Axis is a high-precision rotary tool featuring a 6:1 reduction ratio, a robust 100mm K11 3-jaw self-centering chuck, and a powerful Nema23 stepper motor with 270oz-in torque. Designed with a durable aluminum alloy base and a 65mm MT2 tailstock, it offers stable, accurate rotation for CNC routers, lathes, and milling machines. Ideal for professionals seeking to expand their machining capabilities with reliable, fine-step control and versatile clamping ranges.

## Description

Package include: 1set 4th axis K11 100mm ( Includes stepper motor and 3 jaw chuck) 1 x 65mm Tailstock Descriptions:Chuck type: K11 100mm three jaw centering chuckCenter height: 65mmTotal height: 115mmAngle: 0.3°/ step Gear box output shaft diameter: 25mmReducing ratio: 6:1(belt deceleration mode)Stepper motor: Nema23 57mm 3A 2-phase 4 wireAccessories: Set of Anti-claw and wrenchesThe fourth axis parameter settings:Mach3 system settings: the pulses required for 1°(Motor 1 lap pulses x Driver fine fraction x Reduction ratio) ÷ 360°For example: 57mm 2- phase stepper motor, fine fraction of 16, reduction ratio 100:1(200 x 16 x 100) / 360=888.88888888)Weihong system settings: 1 pulse along the angle 360°/(Motor 1 lap pulses x Driver fine fraction x Reduction ratio)For example: 57mm 2- phase stepper motor, fine fraction of 16, reduction ratio 100:1360 / (200 x 16 x 100) =0.001125Tailstock type:Center Height: 65mmStretch distance: 50mmTop tip: Activity typeAxial locking wrench for tailstockStepper Motor:Nema23 stepper motor 76mmShaft Diameter: 8 mmShaft length: 25.5mmStep Angle:1.8Current: 3AVoltage: 4.2VTemperature Rise: 80 c maxInsulation Resistance: 100MOhm(500V DC)Holding Torque: 18kg.cm

Review: Good quality rotary axis and good service.
Review: This thing has no business being as nice as it is for $255.

## 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 | 35,157 in Power Tools (DIY & Tools) |
| Brand | CNCTOPBAOS |
| Customer Reviews | 4.5 out of 5 stars 56 Reviews |
| Included Components | Wrench |
| Item Dimensions W x H | 16.8W x 11.5H centimetres |
| Item Weight | 440 Grams |
| Item weight | 440 Grams |
| Manufacturer | Changzhou Rattm Motor Co.,Ltd |
| Material | Copper |
| Model Number | K11-100 |
| Product dimensions | 16.8W x 11.5H centimetres |
| UPC | 785004502728 |
| Voltage | 500 Volts |

## Product Details

- **Brand:** CNCTOPBAOS
- **Voltage:** 500 Volts
- **Product dimensions:** 16.8W x 11.5H centimetres
- **Material:** Copper
- **Item weight:** 440 Grams

## 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)
![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 2](https://m.media-amazon.com/images/I/71g7GBOy0EL.jpg)
![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 3](https://m.media-amazon.com/images/I/71KKrWIBgYL.jpg)
![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 4](https://m.media-amazon.com/images/I/71W7CWQm9+L.jpg)
![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 5](https://m.media-amazon.com/images/I/81ra0FFL-jL.jpg)

## Customer Reviews

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



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



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



## 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 Netherlands*
*Store origin: NL*
*Last updated: 2026-02-19*