---
product_id: 369016478
title: "CNCTOPBAOS CNC Router Engraving Machine 4th Axis Rotary 3 Jaw 100mm Chuck Dividing Head Gapless Harmonic Reducer Gearbox Rotational A-Axis Fourth axis Reducing Ratio 100:1 with 65mm Tailstock"
brand: "cnctopbaos"
price: "₩1542063"
currency: KRW
in_stock: true
url: https://www.desertcart.kr/products/369016478-cnctopbaos-cnc-router-engraving-machine-4th-axis-rotary-3-jaw
store_origin: KR
region: South Korea
---

# 65mm center height tailstock 100mm 3-jaw self-centering chuck 100:1 precision gearbox CNCTOPBAOS CNC Router Engraving Machine 4th Axis Rotary 3 Jaw 100mm Chuck Dividing Head Gapless Harmonic Reducer Gearbox Rotational A-Axis Fourth axis Reducing Ratio 100:1 with 65mm Tailstock

**Brand:** cnctopbaos
**Price:** ₩1542063
**Availability:** ✅ In Stock

## Summary

> ⚙️ Elevate your CNC game with precision that commands attention!

## Quick Answers

- **What is this?** CNCTOPBAOS CNC Router Engraving Machine 4th Axis Rotary 3 Jaw 100mm Chuck Dividing Head Gapless Harmonic Reducer Gearbox Rotational A-Axis Fourth axis Reducing Ratio 100:1 with 65mm Tailstock by cnctopbaos
- **How much does it cost?** ₩1542063 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/369016478-cnctopbaos-cnc-router-engraving-machine-4th-axis-rotary-3-jaw)

## 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

- • **Robust 100mm 3-Jaw Chuck:** Securely clamp a wide range of materials with self-centering jaws designed for maximum grip and stability.
- • **High Torque Nema23 Stepper Motor:** Delivering 12kg.cm holding torque ensures consistent power and accuracy under demanding workloads.
- • **Compact Yet Durable Aluminum Alloy Build:** Lightweight, rust-resistant, and engineered for longevity—built to keep your CNC projects running flawlessly.
- • **Versatile 65mm Tailstock with Axial Lock:** Enhance workpiece support and stability with adjustable stroke and quick locking for seamless operation.
- • **Unmatched Precision with Gapless Harmonic Gearbox:** Experience zero backlash and ultra-smooth rotation for flawless CNC engraving every time.

## Overview

The CNCTOPBAOS 4th Axis CNC Router features a gapless harmonic reducer gearbox with a 100:1 reduction ratio, paired with a 100mm 3-jaw self-centering chuck and a 65mm center height tailstock. Powered by a high-torque Nema23 stepper motor, this aluminum alloy assembly offers exceptional rigidity, zero backlash, and smooth rotational accuracy at 0.018° per step, making it ideal for professional-grade engraving and machining tasks.

## Description

CNCTOPBAOS CNC Router Engraving Machine 4th Axis Rotary 3 Jaw 100mm Chuck Dividing Head Gapless Harmonic Reducer Gearbox Rotational A-Axis Fourth axis Reducing Ratio 100:1 with 65mm Tailstock

## Features

- Model: K11-100mm; Chuck Type: 100mm 3 Jaw Chuck; Adopting a harmonic gapless gearbox,the product has higher precision, no backlash, high rigidity, high efficiency, stable structure, smooth operation, made of high quality aluminum alloy,anti rust coating process, fine workmanship, excellent forging process and long service life
- Specifications of Chuck: K11-100 3 Jaw self-centering chuck; Diameter:100 mm 3.93 inch; With 3 Anti-claw and Wrench; Max input torque: 60N.m; Max Speed: 3500 R/min; External jaw clamping range: 30-80mm 1.18-3.15 inch.; Internal jaw clamping range: 2-30mm 0.08-1.18 inch; Internal jaw jamming range: 30-90mm 1.18-3.54 inch
- Specifications of 4th Axis: Center height: 65 mm (2.56"); Total height:; 105 mm (4.13"); Angle: 0.018°/step ; Gearbox model: 17-50; Reduction ratio: 100:1; Base Material: Aluminum alloy; Size: 260x110x105 mm 10.2x4.34x4.13"; Weight: 6.8 KG/ 14.98 LB
- Specifications of Tailstock: Morse Taper 2 Live Center Movable MT2 Tailstock; Center Height: 65mm 2.56 inch; Expansion stroke: 45mm 1.77 inch; Stretch distance: 50mm 1.97 inch; Top tip: Activity type; With Axial locking wrench for tailstock; Weight: 2.5 KG 5.5 LB
- Specifications of Stepper Motor: Hybrid Nema23 Stepper Motor; Phase: 2-phase; Size: 57x57x56mm; Step Angle: 1.8°; Holding Torque: 12kg.cm/178oz-in/120N.cm; Rated Current:3A; Shaft dia:8mm; 4 Lead Wires: A+ to Red ; A- to Green ; B+ to Yellow ; B- to Blue

## Technical Specifications

| Specification | Value |
|---------------|-------|
| UPC | 619191730223 |
| Part number | S23 |
| Item Weight | 9.16 Kilograms |
| Package Dimensions | 50.8 x 28.45 x 19.81 cm; 9.16 kg |
| Item model number | K11-100mm 100:1 |
| Size | 3 jaw 100:1 |
| Color | K11-100MM-100:1 |
| Style | 3-jaw-100-1 |
| Power source type | Corded Electric |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** CNCTOPBAOS
- **Material:** Aluminum
- **Item weight:** 9.16 Kilograms
- **Capacity:** 100 Millimeters
- **Manufacturer:** Changzhou Rattm Motor Co.,Ltd

## Images

![CNCTOPBAOS CNC Router Engraving Machine 4th Axis Rotary 3 Jaw 100mm Chuck Dividing Head Gapless Harmonic Reducer Gearbox Rotational A-Axis Fourth axis Reducing Ratio 100:1 with 65mm Tailstock - Image 1](https://m.media-amazon.com/images/I/71u73wPTYZL.jpg)
![CNCTOPBAOS CNC Router Engraving Machine 4th Axis Rotary 3 Jaw 100mm Chuck Dividing Head Gapless Harmonic Reducer Gearbox Rotational A-Axis Fourth axis Reducing Ratio 100:1 with 65mm Tailstock - Image 2](https://m.media-amazon.com/images/I/71DfHEP-QbL.jpg)
![CNCTOPBAOS CNC Router Engraving Machine 4th Axis Rotary 3 Jaw 100mm Chuck Dividing Head Gapless Harmonic Reducer Gearbox Rotational A-Axis Fourth axis Reducing Ratio 100:1 with 65mm Tailstock - Image 3](https://m.media-amazon.com/images/I/71WTIFWySkL.jpg)
![CNCTOPBAOS CNC Router Engraving Machine 4th Axis Rotary 3 Jaw 100mm Chuck Dividing Head Gapless Harmonic Reducer Gearbox Rotational A-Axis Fourth axis Reducing Ratio 100:1 with 65mm Tailstock - Image 4](https://m.media-amazon.com/images/I/81xoe3aoREL.jpg)
![CNCTOPBAOS CNC Router Engraving Machine 4th Axis Rotary 3 Jaw 100mm Chuck Dividing Head Gapless Harmonic Reducer Gearbox Rotational A-Axis Fourth axis Reducing Ratio 100:1 with 65mm Tailstock - Image 5](https://m.media-amazon.com/images/I/81h1JWlrQxL.jpg)

## Available Options

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

## Frequently Bought Together

- CNCTOPBAOS CNC Router 4th Axis Rotation A axis,Engraving Milling Machine Rotary Table 3 Jaw 100mm Chuck Dividing Head,Gapless Harmonic Reducer Gearbox Ratio 100:1 w/ 65mm Tailstock
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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-01-23*