---
product_id: 109599797
title: "CNC Rotary Axis 4th Axis with 3 Jaw Chuck,CNCTOPBAOS K11-80mm Hollow Shaft Dividing Head Rotational A Axis w/ 65mm Tailstock Reducing Ratio:6:1 for CNC Router Engraving Lathe Milling Machine"
brand: "cnctopbaos"
price: "฿33389"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/109599797-cnc-rotary-axis-4th-axis-with-3-jaw-chuck-cnctopbaos
store_origin: TH
region: Thailand
---

# 65mm center height for stability 80mm 3-jaw self-centering chuck 6:1 precision reduction ratio CNC Rotary Axis 4th Axis with 3 Jaw Chuck,CNCTOPBAOS K11-80mm Hollow Shaft Dividing Head Rotational A Axis w/ 65mm Tailstock Reducing Ratio:6:1 for CNC Router Engraving Lathe Milling Machine

**Brand:** cnctopbaos
**Price:** ฿33389
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** CNC Rotary Axis 4th Axis with 3 Jaw Chuck,CNCTOPBAOS K11-80mm Hollow Shaft Dividing Head Rotational A Axis w/ 65mm Tailstock Reducing Ratio:6:1 for CNC Router Engraving Lathe Milling Machine by cnctopbaos
- **How much does it cost?** ฿33389 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/109599797-cnc-rotary-axis-4th-axis-with-3-jaw-chuck-cnctopbaos)

## 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:** Crafted from durable aluminum alloy with rust-proof coating for long-lasting, wear-resistant performance.
- • **Robust Chuck Grip:** 80mm K11-80 self-centering 3-jaw chuck clamps workpieces securely from 2mm to 70mm diameter.
- • **Tailstock Stability:** MT2 live center tailstock with 45mm expansion stroke guarantees steady support during complex cuts.
- • **Precision at Every Turn:** 6:1 reduction ratio ensures ultra-fine 0.3° step accuracy for flawless rotary machining.
- • **Versatile 4th Axis Power:** Perfect for 3D cylindrical, spiral, and circular engraving on CNC routers, lathes, and milling machines.

## Overview

The CNCTOPBAOS K11-80 4th Axis Rotary Dividing Head features a 6:1 reduction ratio for precise 0.3° step rotation, an 80mm self-centering 3-jaw chuck for versatile clamping, and a 65mm center height with MT2 tailstock for stable, high-quality CNC engraving and milling. Made from aluminum alloy with rust-proof coating, it’s engineered for durability and professional-grade performance in advanced CNC applications.

## Description

CNC Rotary Axis 4th Axis with 3 Jaw Chuck,CNCTOPBAOS K11-80mm Hollow Shaft Dividing Head Rotational A Axis w/ 65mm Tailstock Reducing Ratio:6:1 for CNC Router Engraving Lathe Milling Machine

## 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: Made of Aluminum alloy; Size: 210x168x115mm/8.3x6.6x4.5"; Weight: 6.3KG/13.88 LB; Inner through hole diameter/shaft hollow diameter is 16mm/0.63"
- Nema23 Stepper Motor: Phase: 2 Phase; Type: Hybrid; Step Angle: 1.8°; Current: 3.0A; Holding torque: 270oz-in/1.8Nm; Shat diameter: 8mm; 4 Lead Wires: "A+"=Red / "A-"=Green / "B+"=Yellow / "B-"=Blue; Motor Size: 57x57x76mm
- Specifications of MT2 Tailstock: Morse Taper 2 Live Center Movable MT2 Tailstock; Center Height: 65mm/2.56"; Expansion stroke: 45mm/1.77"; Stretch distance: 50mm/1.97"; Top tip: Activity type; With Axial locking wrench for tailstock; Exquisite workmanship,Durable,Stable performance,Sturdy and Wear-resistant; Weight: 2.5KG/5.5 LB
- 80mm 3 Jaw Chuck: K11-80 3-Jaw self-centering chuck; Diameter:80mm; Max input torque: 40N.m; Max Speed: 4000R/min; External jaw clamping range: 22-63mm/0.86-1.16"; Internal jaw clamping range: 2-22mm/0.07-0.86"; Internal jaw jamming range: 25-70mm/0.98-2.75"; With 3 Anti-claw and Wrench
- Advantages: Rust proof coating process,stable 3 jaw chuck structure,fine workmanship,solid and practical jaw, excellent process to maximize service life
- Application: The fourth axis can be used for three-dimensional processing of cylinders, bends and circles. The fourth axis engraving machine can be used for engraving spirals, scars etc

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | CNCTOPBAOS |
| Voltage | 4.2 Volts |
| Horsepower | 500 Watts |
| Product Dimensions | 2.24"W x 2.24"H |
| Material | Metal |
| Item Weight | 1.9 Ounces |
| Manufacturer | Changzhou Rattm Motor Co.,Ltd |
| UPC | 681385631166 |
| Part Number | S23 |
| Item Weight | 1.9 ounces |
| Item model number | K11-80 |
| Is Discontinued By Manufacturer | No |
| Size | 80mm |
| Style | K11-80MM |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** CNCTOPBAOS
- **Voltage:** 4.2 Volts
- **Horsepower:** 500 Watts
- **Product Dimensions:** 2.24"W x 2.24"H
- **Material:** Metal

## Images

![CNC Rotary Axis 4th Axis with 3 Jaw Chuck,CNCTOPBAOS K11-80mm Hollow Shaft Dividing Head Rotational A Axis w/ 65mm Tailstock Reducing Ratio:6:1 for CNC Router Engraving Lathe Milling Machine - Image 1](https://m.media-amazon.com/images/I/61lac8oqMQL.jpg)

## Available Options

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

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-03-02*