--- product_id: 139356591 title: "SenTECH 50W CO2 Glass Laser Tube 800mm Length Dia 50mm for Laser Engraving and Cutting Machine (Buy More Discounts)" brand: "sentech" price: "¥69070" currency: JPY in_stock: true category: "Sen Tech" url: https://www.desertcart.jp/products/139356591-sentech-50w-co2-glass-laser-tube-800mm-length-dia-50mm store_origin: JP region: Japan --- # 50W stable power output 800mm precision length Pre-connected leads for quick install SenTECH 50W CO2 Glass Laser Tube 800mm Length Dia 50mm for Laser Engraving and Cutting Machine (Buy More Discounts) **Brand:** sentech **Price:** ¥69070 **Availability:** ✅ In Stock ## Summary > ⚡ Cut sharper, work smarter — upgrade your laser game now! ## Quick Answers - **What is this?** SenTECH 50W CO2 Glass Laser Tube 800mm Length Dia 50mm for Laser Engraving and Cutting Machine (Buy More Discounts) by sentech - **How much does it cost?** ¥69070 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/139356591-sentech-50w-co2-glass-laser-tube-800mm-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 - • **Trusted & Tested:** Each tube is factory-tested to ensure flawless operation, so you never miss a beat on your projects. - • **Plug & Play Installation:** Pre-connected positive and negative leads let you set up your laser machine in minutes, no hassle. - • **Power That Keeps You Ahead:** 50W upgraded laser tube delivers faster, more stable cutting performance to boost your productivity. - • **Durability Meets Innovation:** Special tech extends tube lifespan, minimizing downtime and replacement costs. - • **Precision Engineered Length:** 800mm glass tube designed for optimal beam focus and consistent engraving quality. ## Overview The SenTECH 50W CO2 Glass Laser Tube is an 800mm long, 50mm diameter precision component designed for laser engraving and cutting machines. Featuring an upgraded stable power output and pre-connected leads for easy installation, this durable glass tube is factory-tested to ensure reliable, high-speed performance and extended lifespan, making it an essential upgrade for professionals seeking efficiency and quality in their laser projects. ## Description IntroductionOutput power: 40 WDimensions: Length 700 mmInstallation instructions:1. Determine the positive and negative poles of the laser tube ( Near the spiral glass tube inside is positive and the other is negative).2. Insert the water inlet pipe and outlet pipe into the water, usually the positive high pressure line is the input, the part of light output is the exit. Before you launch the machine, you need to check the tube to see whether it is normal. 3. Adjust the optical path with the laser and test switch on the machine. The ultimate goal is to make the laser point enter from the middle of the entrance hole of the laser head, and then adjust the vertical optical path.4. When the light path is adjusted, the engraving can be cut or used, according to the actual situation to control the power output.[WARNING]1. The high-voltage power supply of the laser requires reliable isolation!2. The cooling water should have at least 20 liters, and change it every two weeks.Suitable temperature less than 30 grades3. In winter, the water in the laser tube needs to be discharged first to prevent the tube from freezing and cracking.4.This laser product is not visible light. The laser beam has a burn or more serious damage to the body. In the area of ​​the optical path of the optical transmission, the laser burn must be avoided during work and when you using !Avoid of unnecessary damage, please open one end of the tube and then take the tube out carefully. ## Features - 1. [Parameters]: 50 Watt 800mm length Ø50mm - 2. Each tube HAS BEEN TESTED 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 | |---------------|-------| | ASIN | B07RZ5KY7C | | Best Sellers Rank | #487,043 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #1,409 in Jewelry Making Engraving Machines & Tools | | Brand Name | SenTECH | | Color | Transparent | | Customer Reviews | 3.5 3.5 out of 5 stars (14) | | Item Dimensions L x W | 31.5"L x 1.97"W | | Item Weight | 1.78 kg | | Manufacturer | SenTECH | | Manufacturer Part Number | LASER-Tube-50W-800-Ameri | | Material Type | Glass | | Number of Items | 1 | | Operation Mode | Automatic | | Style Name | Laser | | UPC | 791307559604 | ## Product Details - **Brand:** SenTECH - **Color:** Transparent - **Material:** Glass - **Product Dimensions:** 31.5"L x 1.97"W - **Style:** Laser ## Images ![SenTECH 50W CO2 Glass Laser Tube 800mm Length Dia 50mm for Laser Engraving and Cutting Machine (Buy More Discounts) - Image 1](https://m.media-amazon.com/images/I/3177vAO57NL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - SenTECH 50W CO2 Glass Laser Tube 800mm 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 50W CO2 Laser Tube 800mm D50mm, Wires Preconnected with Coating, for Laser Cutter Laser Engraving Cutting Machine --- ## 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.jp/products/139356591-sentech-50w-co2-glass-laser-tube-800mm-length-dia-50mm](https://www.desertcart.jp/products/139356591-sentech-50w-co2-glass-laser-tube-800mm-length-dia-50mm) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-11-05*