---
product_id: 54003700
title: "Metal Transmission Gear Kit, Mini Lathe & 3MT Mini Mill, LittleMachineShop.com (3448)"
brand: "littlemachineshop.com"
price: "₩218432"
currency: KRW
in_stock: true
url: https://www.desertcart.kr/products/54003700-metal-transmission-gear-kit-mini-lathe-and-3mt-mini-mill
store_origin: KR
region: South Korea
---

# Fits multiple top-brand mini lathes & mills Precision teeth counts: 12/20 & 21/29 for smooth transmission Steel gears for ultimate durability Metal Transmission Gear Kit, Mini Lathe & 3MT Mini Mill, LittleMachineShop.com (3448)

**Brand:** littlemachineshop.com
**Price:** ₩218432
**Availability:** ✅ In Stock

## Summary

> ⚙️ Upgrade your mini machine’s heart—because breaking gears is so last season!

## Quick Answers

- **What is this?** Metal Transmission Gear Kit, Mini Lathe & 3MT Mini Mill, LittleMachineShop.com (3448) by littlemachineshop.com
- **How much does it cost?** ₩218432 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/54003700-metal-transmission-gear-kit-mini-lathe-and-3mt-mini-mill)

## Best For

- littlemachineshop.com enthusiasts

## Why This Product

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

## Key Features

- • **Dual Gear Sizes:** Two precision-engineered gears with 12/20 and 21/29 teeth ensure optimal transmission efficiency.
- • **Broad Compatibility:** Designed to seamlessly fit most leading mini lathes and 3MT mini mills—check compatibility before you buy!
- • **Unbreakable Steel Power:** Replace fragile headstock gears with rugged steel for lasting performance.
- • **Smart Plastic Intermediate:** Mini mill’s easy-to-replace plastic intermediate gear protects your investment from costly damage.
- • **Made in the USA with Support:** Backed by expert US-based customer service and a trusted small business ethos.

## Overview

The Metal Transmission Gear Kit by LittleMachineShop.com offers a durable steel gear replacement set designed for mini lathes and 3MT mini mills. Featuring two gears with dual-sided teeth counts (12/20 and 21/29), it enhances machine longevity by preventing costly headstock gear failures. Compatible with most top-brand machines, it includes a plastic intermediate gear on the mini mill for easy maintenance. Proudly supported by US-based customer service, this kit is a must-have upgrade for serious home machinists and small shops.

## Description

Metal Transmission Gear Kit, Mini Lathe & 3MT Mini Mill, LittleMachineShop.com (3448)

## Features

- Compatibility: This product is designed to work across a broad range of metalworking machines including most top brand names. Please look at our images to see a list of compatible machines. The list of machines are those where the machines' specification ensure compatibility. If you don’t see your machine in the list, it is almost certain this product will NOT WORK on your machine. In this event, please contact us before purchasing, as we may have alternate options.
- Durable: Once this steel gear set is installed on your mini lathe or mini mill, you will no longer have to worry about breaking the hard-to-replace gears inside the headstock.
- Two Sizes: The smaller in this set is smaller of the two transmission gears. It has 12 Teeth on one end and 20 teeth on the other. The larger of the two is the larger of the two transmission gears. It has 21 Teeth on one end and 29 teeth on the other.
- Easy to replace: On the mini mill, the easy-to-replace intermediate gear on top of the headstock is still plastic. This helps to ensure that you don't break expensive and hard to replace parts.
- About Us - LittleMachineShop.com is a small U.S. business specializing in sourcing and selling quality machines, tooling, spare parts, and accessories for home shop machinists and small machine shops. Additionally, we sell upgrades and accessories for many of the leading brands. Whenever possible, we work with, and promote, other small US machinists and machine shops who sell innovative products. With direct US based customer support from our knowledgeable team, we stand behind all our products.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | LittleMachineShop.com |
| Part Number | 3448 |
| Item Weight | 1.03 pounds |
| Product Dimensions | 3.94 x 3.94 x 3.94 inches |
| Item model number | LMS3448 |
| Is Discontinued By Manufacturer | No |
| Material | steel |
| Batteries Required? | No |

## Images

![Metal Transmission Gear Kit, Mini Lathe & 3MT Mini Mill, LittleMachineShop.com (3448) - Image 1](https://m.media-amazon.com/images/I/61nOKoLOFyL.jpg)

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**Shop now:** [https://www.desertcart.kr/products/54003700-metal-transmission-gear-kit-mini-lathe-and-3mt-mini-mill](https://www.desertcart.kr/products/54003700-metal-transmission-gear-kit-mini-lathe-and-3mt-mini-mill)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-28*