---
product_id: 407992972
title: "1/2\" Planetary Gearbox 20:1 Nema 34 Gear Head 3000rpm Speed Reducer for Stepper Motor, D16mm Shaft Ouput, DHL/FedEx Ship (20:1)"
brand: "bestopper"
price: "€ 278.93"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/407992972-1-2-planetary-gearbox-20-1-nema-34-gear-head
store_origin: NL
region: Netherlands
---

# Max Torque 80N.m 16mm Output Shaft 20:1 Gear Ratio 1/2" Planetary Gearbox 20:1 Nema 34 Gear Head 3000rpm Speed Reducer for Stepper Motor, D16mm Shaft Ouput, DHL/FedEx Ship (20:1)

**Brand:** bestopper
**Price:** € 278.93
**Availability:** ✅ In Stock

## Summary

> 🔧 Gear Up for Greatness!

## Quick Answers

- **What is this?** 1/2" Planetary Gearbox 20:1 Nema 34 Gear Head 3000rpm Speed Reducer for Stepper Motor, D16mm Shaft Ouput, DHL/FedEx Ship (20:1) by bestopper
- **How much does it cost?** € 278.93 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/407992972-1-2-planetary-gearbox-20-1-nema-34-gear-head)

## Best For

- bestopper enthusiasts

## Why This Product

- Trusted bestopper brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Unleash Precision:** Transform your stepper motor's performance with a 20:1 gear ratio for unmatched torque.
- • **Compact Powerhouse:** Designed for tight spaces, this gearbox fits seamlessly into your machinery.
- • **Robust Compatibility:** NEMA 34 flange ensures a perfect match with various stepper motors.
- • **Versatile Applications:** Ideal for CNC machines, lathes, and packaging equipment—engineered for excellence.
- • **Effortless Installation:** Comes with 4 screws for quick and easy setup, minimizing downtime.

## Overview

The 1/2" Planetary Gearbox 20:1 Nema 34 Gear Head is engineered for stepper motors, featuring a 20:1 gear ratio, a 16mm output shaft, and a maximum holding torque of 80N.m. Its compact design and robust compatibility make it perfect for CNC applications and other machinery with limited space.

## Description

Full description not available

## Features

- Input shaft bore is 1/2" that can match the 12.7mm shaft motor (without key). The output shaft diameter is 16mm
- The gearhead has nema 34 Input & output flange,suitable for flange 86mm stepper motor and other motors which can completely match the installation size .
- 20:1 gear ratio ,the rated holding torque is 50N.m and the Max. holding torque is 80N.m
- 4pcs screws provide for instalaltion , small size gearbox , very convenient for the machine which has limited space for a gearbox.
- This nema34 planetary gearbox mainly matches the stepper motor to reduce speed and increase torque. Widely used in CNC field on mill,lathe,bench,packaging machine etc.

## Product Details

- **Brand:** Bestopper
- **Speed:** 3000 RPM
- **Manufacturer:** Bestopper

## Images

![1/2" Planetary Gearbox 20:1 Nema 34 Gear Head 3000rpm Speed Reducer for Stepper Motor, D16mm Shaft Ouput, DHL/FedEx Ship (20:1) - Image 1](https://m.media-amazon.com/images/I/51vL8bFwVbL.jpg)
![1/2" Planetary Gearbox 20:1 Nema 34 Gear Head 3000rpm Speed Reducer for Stepper Motor, D16mm Shaft Ouput, DHL/FedEx Ship (20:1) - Image 2](https://m.media-amazon.com/images/I/61ythPn1B-L.jpg)
![1/2" Planetary Gearbox 20:1 Nema 34 Gear Head 3000rpm Speed Reducer for Stepper Motor, D16mm Shaft Ouput, DHL/FedEx Ship (20:1) - Image 3](https://m.media-amazon.com/images/I/71ubCxNZkSL.jpg)
![1/2" Planetary Gearbox 20:1 Nema 34 Gear Head 3000rpm Speed Reducer for Stepper Motor, D16mm Shaft Ouput, DHL/FedEx Ship (20:1) - Image 4](https://m.media-amazon.com/images/I/61xJ0LPbtXL.jpg)
![1/2" Planetary Gearbox 20:1 Nema 34 Gear Head 3000rpm Speed Reducer for Stepper Motor, D16mm Shaft Ouput, DHL/FedEx Ship (20:1) - Image 5](https://m.media-amazon.com/images/I/51cnUpyFEeL.jpg)

## Available Options

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

## Frequently Bought Together

- 1/2" Planetary Gearbox 20:1 Nema 34 Gear Head 3000rpm Speed Reducer for Stepper Motor, D16mm Shaft Ouput, DHL/FedEx Ship (20:1)
- Nema 34 Stepper Motor Steel Mounting Bracket with Mounting Screws
- DROK 48V Power Supply, AC 110V/220V to DC 0-48V 10A 480W Buck Converter, Adjustable Variable LED Adapter Regulated 5V 12V 24V 30V 36V 48V Volt Voltage Transformer 10A Amp Charger for Lab CCTV

---

## 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.nl/products/407992972-1-2-planetary-gearbox-20-1-nema-34-gear-head](https://www.desertcart.nl/products/407992972-1-2-planetary-gearbox-20-1-nema-34-gear-head)

---

*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-26*