---
product_id: 328337851
title: "CNCTOPBAOS Rotational 4th Axis A axis Rotary Table,K11-100mm 3 Jaw Chuck Dividing Head,Gapless Harmonic Gearbox Reducer Ratio 50:1 w/ 65mm Tailstock for CNC Router Engraving Milling Machine"
brand: "cnctopbaos"
price: "R18416"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/328337851-cnctopbaos-rotational-4th-axis-a-axis-rotary-table-k11-100mm
store_origin: ZA
region: South Africa
---

# 100mm 3-jaw self-centering chuck 65mm center height with MT2 tailstock 50:1 gapless harmonic reducer ratio CNCTOPBAOS Rotational 4th Axis A axis Rotary Table,K11-100mm 3 Jaw Chuck Dividing Head,Gapless Harmonic Gearbox Reducer Ratio 50:1 w/ 65mm Tailstock for CNC Router Engraving Milling Machine

**Brand:** cnctopbaos
**Price:** R18416
**Availability:** ✅ In Stock

## Summary

> ⚙️ Elevate your CNC game with flawless rotation and rock-solid precision!

## Quick Answers

- **What is this?** CNCTOPBAOS Rotational 4th Axis A axis Rotary Table,K11-100mm 3 Jaw Chuck Dividing Head,Gapless Harmonic Gearbox Reducer Ratio 50:1 w/ 65mm Tailstock for CNC Router Engraving Milling Machine by cnctopbaos
- **How much does it cost?** R18416 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/328337851-cnctopbaos-rotational-4th-axis-a-axis-rotary-table-k11-100mm)

## 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 & Reliable:** High-grade aluminum alloy body with anti-rust coating for lasting durability
- • **Versatile Clamping:** 3-jaw chuck clamps 30-80mm externally and 2-30mm internally for diverse workpieces
- • **Precision Perfected:** 0.036° step angle for ultra-smooth, backlash-free rotation
- • **Complete CNC Solution:** Includes MT2 live center tailstock with 50mm stroke for enhanced workpiece support
- • **Powerful Stepper Motor:** NEMA23 hybrid motor delivering 12kg.cm holding torque for stable, precise control

## Overview

This Rotational 4th Axis CNC rotary table features a gapless harmonic reducer with a 50:1 reduction ratio, delivering ultra-precise 0.036° step increments. Crafted from premium aluminum alloy with anti-rust coating, it includes a 100mm K11-100 3-jaw self-centering chuck and a 65mm center height MT2 live center tailstock. Powered by a robust NEMA23 stepper motor with 12kg.cm holding torque, it ensures smooth, backlash-free operation ideal for engraving, milling, and routing tasks.

## Description

Rotational 4th Axis A axis Rotary table Fourth axis 3 Jaw Chuck Gapless harmonic reducer gearbox stepper motor K11-100mm dividing head with 65mm Tailstock for CNC Router Engraving Milling Machine

## Features

- Specifications of 4th Axis: Center height: 65 mm 2.56"; Total height:; 105 mm 4.13"; Angle: 0.036°/step ; Gearbox model: 17-50; Reduction ratio: 50:1; Base Material: Aluminum alloy; Size: 260x110x105 mm 10.2x4.34x4.13"; Weight: 6.8 KG / 14.98 LB
- 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 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
- Features: Adopting gapless harmonic gearbox,with 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Capacity | 63 Millimeters |
| Included components | Impact Wrench |
| Manufacturer | Changzhou Rattm Motor Co.,Ltd |
| UPC | 785004502735 |
| Part number | S23 |
| Item Weight | 2.42 Kilograms |
| Package Dimensions | 50.8 x 28.45 x 20.32 cm; 2.42 kg |
| Item model number | K11-100mm 50:1 |
| Size | 3 jaw 50:1 |
| Color | K11-100MM-50:1 |
| Style | 3-jaw-50-1 |
| Item Package Quantity | 1 |
| Cutting Diameter | 100 Millimeters |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** CNCTOPBAOS
- **Material:** Aluminum
- **Item diameter:** 100 Millimeters
- **Item weight:** 2.42 Kilograms
- **Compatible devices:** Milling Machine

## Images

![CNCTOPBAOS Rotational 4th Axis A axis Rotary Table,K11-100mm 3 Jaw Chuck Dividing Head,Gapless Harmonic Gearbox Reducer Ratio 50:1 w/ 65mm Tailstock for CNC Router Engraving Milling Machine - Image 1](https://m.media-amazon.com/images/I/71xYAtG0OaL.jpg)

## Available Options

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

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-07-07*