---
product_id: 381142388
title: "OMTech 20mm Laser Cutting Mirror Set Replacement for CO2 Lasers | 20mm gold-coated silicon | 3mm thickness | Fits 30W-200W CO2 lasers | Set of 3"
brand: "omtech"
price: "€ 53.36"
currency: EUR
in_stock: true
category: "Om Tech"
url: https://www.desertcart.sk/products/381142388-omtech-20mm-laser-cutting-mirror-set-replacement-for-co2-lasers
store_origin: SK
region: Slovakia
---

# 3mm thickness with λ/4 flatness precision 99.2% infrared reflectivity at 10600nm 20mm gold-coated silicon mirror OMTech 20mm Laser Cutting Mirror Set Replacement for CO2 Lasers | 20mm gold-coated silicon | 3mm thickness | Fits 30W-200W CO2 lasers | Set of 3

**Brand:** omtech
**Price:** € 53.36
**Availability:** ✅ In Stock

## Summary

> ✨ Reflect your laser’s true potential with OMTech’s gold-standard mirrors!

## Quick Answers

- **What is this?** OMTech 20mm Laser Cutting Mirror Set Replacement for CO2 Lasers | 20mm gold-coated silicon | 3mm thickness | Fits 30W-200W CO2 lasers | Set of 3 by omtech
- **How much does it cost?** € 53.36 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/381142388-omtech-20mm-laser-cutting-mirror-set-replacement-for-co2-lasers)

## Best For

- omtech enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Scratch-resistant silicon construction means your mirrors stay flawless longer.
- • **Gold-Coated Brilliance:** Premium gold coating ensures ultra-high reflectivity and minimal power loss.
- • **Triple Precision Power:** Upgrade all 3 mirrors at once for peak laser accuracy and efficiency.
- • **Effortless Performance Boost:** Replace worn mirrors and instantly elevate your laser cutting precision.
- • **Heat-Resistant Compatibility:** Works seamlessly with 30W to 200W CO2 lasers, from hobbyist to industrial scale.

## Overview

OMTech’s 20mm gold-coated silicon laser mirrors deliver exceptional optical precision with λ/4 flatness and over 99.2% infrared reflectivity. Designed for durability and heat resistance, this set of three fits CO2 lasers from 30W to 200W, ensuring consistent, high-efficiency laser cutting and engraving performance.

## Description

Buy OMTech 20mm Laser Cutting Mirror Set Replacement for CO2 Lasers | 20mm gold-coated silicon | 3mm thickness | Fits 30W-200W CO2 lasers | Set of 3: Machine Tool Inspection Mirrors - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Precision Mirrors: OMTech's new generation of silicon engraving mirrors are gold coated, 20mm across and 3mm thick, and offer λ/4 flatness for exceptional optical performance
- Better Together: This set of 3 premium silicon mirrors allows you to change all the used mirrors in your laser cutting machine in one go so you can start enjoying more accuracy and efficiency right away
- High Reflectivity: These Si mirrors are specially engineered and coated to achieve more than 99.2% reflectivity of infrared light at the critical 10600nm wavelength, minimizing loss of power in transmission from your tube to the workbed
- Lasting Durability: Our laser mirrors' dependable silicon construction provides superior scratch resistance, allowing safe polishing and ensuring a long service life
- Wide Compatibility: This set of high-transmittance mirrors also offers superior heat resistance to work with a wide range of laser engravers, etchers, markers, and cutters from K40 boxes to powerful 200W industrial engraving equipment

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09B3FQTPK |
| Additional Features | Gold Coated, High Reflectivity, Scratch & Heat Resistant, Wide Compatibility |
| Best Sellers Rank | #185,428 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #484 in Jewelry Making Engraving Machines & Tools #4,304 in Craft Cutting Tools |
| Brand Name | OMTech |
| Color | Gold |
| Customer Reviews | 4.4 4.4 out of 5 stars (8) |
| Finish Types | Polished |
| Frame Color | gold |
| Frame Material | Metal |
| Frame Type | Unframed |
| Item Dimensions L x W | 0.79"L x 0.79"W |
| Manufacturer | OMTech |
| Material Type | Silicon, Gold |
| Mounting Type | Cut Mount |
| Number of Items | 3 |
| Number of Pieces | 3 |
| Room Type | Office |
| Shape | Round |
| Style Name | Classic |
| Surface Recommendation | wall-mounted |
| Theme | industrial |
| Unit Count | 3 Count |

## Product Details

- **Brand:** OMTech
- **Frame Material:** Metal
- **Product Dimensions:** 0.79"L x 0.79"W
- **Room Type:** Office
- **Shape:** Round

## Images

![OMTech 20mm Laser Cutting Mirror Set Replacement for CO2 Lasers | 20mm gold-coated silicon | 3mm thickness | Fits 30W-200W CO2 lasers | Set of 3 - Image 1](https://m.media-amazon.com/images/I/51N4Z+bBanL.jpg)
![OMTech 20mm Laser Cutting Mirror Set Replacement for CO2 Lasers | 20mm gold-coated silicon | 3mm thickness | Fits 30W-200W CO2 lasers | Set of 3 - Image 2](https://m.media-amazon.com/images/I/51MJEMQUivL.jpg)
![OMTech 20mm Laser Cutting Mirror Set Replacement for CO2 Lasers | 20mm gold-coated silicon | 3mm thickness | Fits 30W-200W CO2 lasers | Set of 3 - Image 3](https://m.media-amazon.com/images/I/51YO9AtV3HL.jpg)
![OMTech 20mm Laser Cutting Mirror Set Replacement for CO2 Lasers | 20mm gold-coated silicon | 3mm thickness | Fits 30W-200W CO2 lasers | Set of 3 - Image 4](https://m.media-amazon.com/images/I/41s8HeDaESL.jpg)
![OMTech 20mm Laser Cutting Mirror Set Replacement for CO2 Lasers | 20mm gold-coated silicon | 3mm thickness | Fits 30W-200W CO2 lasers | Set of 3 - Image 5](https://m.media-amazon.com/images/I/61tGqqyLdSL.jpg)

## Available Options

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

## Frequently Bought Together

- OMTech Laser Cutting Mirror Set, 25mm Gold Coated Silicon Replacement for CO2 Engraving Machines, 3mm High Transmittance Si Mirrors for 50W to 200W Engravers, Set of 3
- OMTech 18mm ZnSe Focus Lens, CVD ZnSe CO2 Laser Engraver Focal Lens with 2 Inch Focal Length, 2" FL Zinc Selenium Replacement Lens for 50W 60W 70W 80W Laser Engraving Machines, 99.5+ Transmittance
- OMTech CO2 Laser Alignment Tool for Laser Engravers, Precision Red Laser Pointer for 50W 60W 70W 80W 100W 130W 150W Laser Engraving Marking Cutting Machines, Visible Laser Path Guide

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-08-08*