---
product_id: 345372550
title: "CNCOLETECH 19mm Laser Mirror Si Reflective Mirrors Lens Gold-Plated Silicon 3PCS CO2 Laser Lens,for CO2 Laser Engraving Cutting Machine"
brand: "mcwlaser"
price: "340.29 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/345372550-cncoletech-19mm-laser-mirror-si-reflective-mirrors-lens-gold-plated
store_origin: TN
region: Tunisia
---

# >99.2% reflectance 19mm precision diameter Gold-plated silicon durability CNCOLETECH 19mm Laser Mirror Si Reflective Mirrors Lens Gold-Plated Silicon 3PCS CO2 Laser Lens,for CO2 Laser Engraving Cutting Machine

**Brand:** mcwlaser
**Price:** 340.29 DT
**Availability:** ✅ In Stock

## Summary

> ✨ Reflect your laser’s true potential with gold-grade precision! 🔥

## Quick Answers

- **What is this?** CNCOLETECH 19mm Laser Mirror Si Reflective Mirrors Lens Gold-Plated Silicon 3PCS CO2 Laser Lens,for CO2 Laser Engraving Cutting Machine by mcwlaser
- **How much does it cost?** 340.29 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/345372550-cncoletech-19mm-laser-mirror-si-reflective-mirrors-lens-gold-plated)

## Best For

- mcwlaser enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Compatibility:** Seamlessly replaces K9 mirrors for 40W to 400W CO2 laser machines.
- • **Gold-Plated Silicon Coating:** Enhances durability and longevity under intense laser exposure.
- • **Ultra-High Reflectivity >99.2%:** Maximizes laser efficiency for sharper engraving and cutting results.
- • **Precision Engineered 19mm Diameter:** Fits perfectly for CO2 laser systems, ensuring flawless beam reflection.
- • **Premium Multi-Process Craftsmanship:** Expert slicing, polishing, and coating deliver superior optical performance.

## Overview

The CNCOLETECH 19mm Gold-Plated Silicon Reflective Mirror is a high-performance CO2 laser lens designed for engraving and cutting machines ranging from 40W to 400W. Featuring over 99.2% transmittance and crafted through advanced polishing and coating processes, it offers exceptional durability and optical clarity, making it the ideal upgrade or replacement for K9 mirrors in professional laser setups.

## Description

CNCOLETECH 19mm Laser Mirror Si Reflective Mirrors Lens Gold-Plated Silicon 3PCS CO2 Laser Lens,for CO2 Laser Engraving Cutting Machine

## Features

- Material: Gold-Plated Silicon
- Diameter: 19mm/0.75"; Thickness: 3mm/0.12"; Shape: Plane;Transmittance: >99.2%
- Made by multiple processes;Superb coating art,Precision slicing polishing and grinding processes,Excellent optical properties,High working efficiency,Long working life.
- Good replacement for the K9 mirror for K40 or the other 40W engraver/cutter.
- It can be used for CO2 laser low and high power engraving and cutting 40W/50W/80W/100W/130W/150W/200W/300W/400W.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | MCWlaser |
| Model Number | Cole |
| Color | Gold |
| Package Dimensions | 10 x 8.8 x 1.9 cm; 27 g |
| Material | Silicon, Gold |
| Item Weight | 27 g |

## Product Details

- **Brand:** MCWlaser
- **Material:** Silicon, Gold
- **Colour:** Gold
- **Style:** Laser
- **Operation mode:** Manual

## Images

![CNCOLETECH 19mm Laser Mirror Si Reflective Mirrors Lens Gold-Plated Silicon 3PCS CO2 Laser Lens,for CO2 Laser Engraving Cutting Machine - Image 1](https://m.media-amazon.com/images/I/516FbwKSEVL.jpg)

## Available Options

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

## Questions & Answers

**Q: I have the 100 watt chinese red and black will these work?**
A: I have the 80w same machine
I don’t see why not

**Q: What adhesive would you use to attach to the backing plates**
A: Thank for your interest in our product.
Normally the mirror will be installed in the mirror mounts,no backing plates was required. If you mirror need the backing plates,could you send us the photo to show your original mirror and the backing plate for us to check again? So we give you the solution.
You may also contact with us by service@mcwlaser.com

**Q: Are they Plano-Convex or Meniscus lenses?**
A: They are the reflective mirrors,not focus lens. All of the mirrors are flat. The lens has the plano-convex or meniscus,depond on the difference focal length. I hope it will be helpful.You cn also contact with us by cncoletech@126.com if you have any other question.

Cole Technology Co.,Ltd

**Q: I have a universal laser 150w co2. the 2.0 lens i use comes in a bracket. is there any way to remove that lens and replace it with this?**
A: You say "Lens" in your question, but this item is a mirror? If you are replacing the mirror, there is always a way to do that.

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-11-11*