---
product_id: 336436311
title: "SenTECH 40W CO2 Glass Laser Tube 700mm Length Dia 50mm for Laser Engraving and Cutting Machine (Buy More Discounts)"
brand: "sentech"
price: "€ 216.87"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/336436311-sentech-40w-co2-glass-laser-tube-700mm-length-dia-50mm
store_origin: IE
region: Ireland
---

# 40W stable power output 700mm precision length Upgraded long-life tech SenTECH 40W CO2 Glass Laser Tube 700mm Length Dia 50mm for Laser Engraving and Cutting Machine (Buy More Discounts)

**Brand:** sentech
**Price:** € 216.87
**Availability:** ✅ In Stock

## Summary

> ⚡ Cut faster, last longer — the power tube pros trust!

## Quick Answers

- **What is this?** SenTECH 40W CO2 Glass Laser Tube 700mm Length Dia 50mm for Laser Engraving and Cutting Machine (Buy More Discounts) by sentech
- **How much does it cost?** € 216.87 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/336436311-sentech-40w-co2-glass-laser-tube-700mm-length-dia-50mm)

## Best For

- sentech enthusiasts

## Why This Product

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

## Key Features

- • **Plug & Play Ready:** Pre-connected leads for hassle-free, quick installation—get started instantly.
- • **Power That Performs:** 40W laser power ensures faster, cleaner cuts and engravings.
- • **Precision Perfected:** 700mm length and 50mm diameter for seamless integration and accuracy.
- • **Crafted for Creators:** Ideal for laser engraving and cutting machines, empowering your creative projects.
- • **Engineered for Endurance:** Upgraded tube technology delivers extended lifespan and consistent output.

## Overview

The SenTECH 40W CO2 Glass Laser Tube features a 700mm length and 50mm diameter, delivering stable 40W power output with upgraded technology for enhanced durability and cutting speed. Pre-connected leads simplify installation, making it the go-to choice for professional laser engraving and cutting machines.

## Description

SenTECH 40W CO2 Glass Laser Tube 700mm Length Dia 50mm for Laser Engraving and Cutting Machine (Buy More Discounts)

## Features

- 1. [Parameters]: 40 Watt 700mm length Ø50mm
- 2. Each tube HAS BEEN D before leaving from our factory, we try our best to give a good shopping experience and make you not waste time and lose money.
- 3. [Installation]: You need to make sure the positive and negative pole. We HAVE CONNECTED the LEADS, so that you can quickly install the tube.
- 4. [Upgraded version]: Upgraded laser tube has a more stable power, which is favorable to increase the cutting speed. The tube has LONG-TIME LIFE because of the especial technology.
- 5. [Application]: It is mainly used for LASER ENGRAVING CUTTING MACHINE and other engraving equipments. If it is broken in the transportation, contact us please, we are trying our best to solve your problem.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | SenTECH |
| Part number | LASER-Tube-40W-700-Ameri |
| Item Weight | 1.63 Kilograms |
| Product Dimensions | 70 x 5 x 0.1 cm; 1.63 kg |
| Manufacturer reference | LASER-Tube-40W-700-Ameri |
| Size | 40W 700mm |
| Color | Transparent |
| Style | Laser |
| Material | Glass |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** SenTECH
- **Material:** Glass
- **Colour:** Transparent
- **Product dimensions:** 70L x 5W centimeters
- **Style:** Laser

## Images

![SenTECH 40W CO2 Glass Laser Tube 700mm Length Dia 50mm for Laser Engraving and Cutting Machine (Buy More Discounts) - Image 1](https://m.media-amazon.com/images/I/3177vAO57NL.jpg)

## Questions & Answers

**Q: Can i run a rv antifreeze insted of water to prevent freezing?**
A: NO, has to be water. It's not used to prevent freezing, not for melting

**Q: What is the beam radius and divergence?**
A: Hi, dear. 
The beam radius is about 1.5mm.

**Q: I got this tube and it is 4 inches longer than my original will it still work for my machine?**
A: If this fits in your machine you'll need to make sure the power supply matches up to the power requirements of the tube. Without any other information it seems like you have the wrong tube.

**Q: I had issues with pre-wired tubes that there would be arking where the two lines are spiced together.  What is the proper way to avoid this?**
A: I didn't have that issue with this tube. Arcing suggest poor connection. Make sure you have a good amount of bare wire . If your still worried, you can solder the connection. Make sure to insulate the connection.

## Frequently Bought Together

- SenTECH 40W CO2 Glass Laser Tube 700mm Length Dia 50mm for Laser Engraving and Cutting Machine (Buy More Discounts)
- MCWlaser Set of 2 High Voltage Wire Connector Between CO2 Power Supply and CO2 Laser Tube for Laser Cutting Machine high Voltage Head
- TEN-HIGH 40W CO2 Laser Tube 700mm D50mm, Wires Preconnected with Coating, for Laser Cutter Laser Engraving Cutting Machine

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**Shop now:** [https://www.desertcart.ie/products/336436311-sentech-40w-co2-glass-laser-tube-700mm-length-dia-50mm](https://www.desertcart.ie/products/336436311-sentech-40w-co2-glass-laser-tube-700mm-length-dia-50mm)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-05*