Your First CO₂ Laser Starts Here
Affordable · Easy Start · Full Support
Why Choose OMTech K40+
💰 Affordable
Get professional laser performance without the high price tag — perfect for beginners and small studios.
⚙️ Easy Start
Plug-and-play setup with step-by-step guides and video training to help you start engraving in minutes.
🤝 Full Support
Enjoy our 2-Year Warranty, Help Center, and Community Hub that grow with your skills and business.
From Consultation to Support — We're With You All the Way
💬 Free Sales Consultation
Not sure which laser fits your needs? Schedule a free 1-on-1 consultation with our product experts before you buy.
Book a Consultation →🎥 VTS Technical Support
Every purchase includes 2 free Video Technical Support sessions — covering setup, calibration, and troubleshooting.
Learn More →📘 Help Center
Explore step-by-step guides, FAQs, and troubleshooting tips to solve issues anytime — 24/7 online.
Visit Help Center →🛠️ 2-Year Warranty
Every OMTech laser comes with a 2-Year Warranty and lifetime tech support — buy with confidence and peace of mind.
Warranty Details →K40+ Package Comparison
Choose the tools that match what you want to create.
Essential Package
The K40+ Essentials
- K40+ 45W Laser Engrave wood, acrylic, leather, glass, and more.
- Honeycomb Workbed Support cleaner, more consistent cuts.
LightBurn Package
Design & Control with Ease
- LightBurn Software Design, arrange, and control your laser jobs.
- K40+ 45W Laser Turn digital designs into finished projects.
Fume Extractor Package
A Cleaner Workspace
- 60W Fume Extractor Capture smoke and airborne particles.
- Two-Stage Filtration Create in a cleaner workspace.
Rotary Package
Create Beyond Flat Surfaces
- Rotary Attachment Engrave mugs, tumblers, and bottles.
- Cylindrical Projects Offer more personalized products.
Chiller Package
Stable Cooling for Longer Sessions
- 9L Water Chiller Maintain stable laser-tube cooling.
Rotary & Chiller
More Projects, Ready to Personalize
- Rotary Attachment Personalize mugs and tumblers.
- 9L Water Chiller Support stable cooling while you work.
Chiller + Fume + LightBurn
A Complete Creative Workflow
- LightBurn Design and control your laser projects.
- Water Chiller Maintain stable laser-tube cooling.
- Fume Extractor Help keep your workspace cleaner.
↓ Discover Performance & Specs ↓
Boost Your Productivity
With a speed of up to 300 mm/s, this desktop engraving tool not only enhances work efficiency but also ensures impeccable engraving accuracy for streamlined, high-volume production.
Unleash your DIY potential with the OMTech K40 laser engraver. Known worldwide as the definitive entry-point for desktop CO2 laser systems, our upgraded 40W K40 co2 laser cutter delivers commercial-grade precision in a highly compact, budget-friendly package. Featuring a 300x200mm (12" x 8") engraving area and manual focus height adjustments, this portable powerhouse is engineered for hobbyists, craft makers, and makerspaces ready to cut and etch intricate custom designs.
Multiple Software Compatible
This machine supports the use of LightBurn, accommodating various user preferences and ultimately simplifying your engraving process.
OMTech Laser, Always Your First Choice
Adjustable Laser Head
Effortlessly Engrave on Any Material with Our Laser Head's Adjustable Length
Powerful & Precise Cutting
Cuts up to 1/8″ Deep into Acrylic, Plexiglass, or Basswood
Convenient Debris Collection
The Pull-Out Waste Tray Makes Debris Collection & Cleanup a Breeze
Ultra Precise Engraving
See Your Ideas Brought to Life with Engravings That Nail Every Detail
Let Your Imagination Run Wild
Break free from material constraints and experience unparalleled versatility in your laser engraving projects.
The legendary K40 laser platform has long been celebrated as the most cost-effective gateway into the world of carbon dioxide gas lasers. Unlike lower-powered diode craft lasers, an authentic 40W K40 co2 laser handles materials with increased cutting speed and superior optical edge finishes. To help you understand how OMTech has modernized this classic desktop system, let's break down the essential specifications.
Engrave with Ease from Hobby Room to Workshop
The primary limitation of traditional blue-light hobby diode lasers is their wavelength, which passes straight through clear materials. The OMTech K40 laser cutter utilizes a specialized infrared CO2 glass laser tube. This specific wavelength is instantly absorbed by clear, colored, and mirrored cast acrylics, allowing you to cut polished plastic sheets smoothly. It also enables high-fidelity frosted etching on glassware, slate, and stone with ease.
Specifications & Package List
| Product Information |
Color: Blue, Gray Product Dimensions(L*W*H): 31.9 x 19.7 x 9.8 in. (810x500x250 mm) Package Dimensions(L*W*H): 36.2 × 24.4 × 14.6 in. (920 × 620 × 370 mm) Engraving Area: 8 x 12 in. (200x300 mm) Rated Power: 45W Est. Service Life: 3500 hr. Max. Engraving Speed: 11.8 ips (300 mm/s) Max. Engraving Depth: 0.12 in. (3 mm) Positioning Accuracy: ±0.02 mm Laser Head Length Adjustment Range: 0.6 in. (16 mm) Water Pump Power: 75W Bundled Software: LaserGRBL Laser Tube Length: 28.3 in. (720 mm) Supported Image Formats: .ai, .bmp, .dxf, .emf, .gif, Certification: CE, FDA Net Weight: 66.14 lb. (30kg) Warranty: 2 Years (6 Months for Parts) |
|---|---|
| Package List |
1x 45W CO2 Laser Engraver 1x Tensioning Tool 1x Water Pump 1x Exhaust Pipe 1x Silicone Sealan 1x USB Flash Drive 1x USB Cable 1x Power Cord 1x Pipe Clamp 1x Tube of Silicone Insulation 1x Ceramic Testing Resistor 1x Roll of Dimming Paper 1x User Manual |
Frequently Asked Questions About K40 Laser Engravers
To unlock the full potential of your K40 laser cutter, the two most popular aftermarket upgrades are adding an air assist nozzle and an inline exhaust fan. Air assist pumps compressed air directly at the laser focus lens to clear away smoke and protect the optics while preventing scorch marks on wood. An inline fan upgrades your exhaust setup to ensure smoke and toxic acrylic odors are successfully ducted out of your workspace window.
Our base model is fully compatible with popular included design programs like LaserDRW and CorelLaser for basic operations. For users who prefer the advanced features of industry-standard LightBurn software, we recommend upgrading your machine's controller board to a LightBurn-compatible drop-in board (such as a Cohesion3D or Monport upgrade board) or viewing our premium Polar desktop series which features native LightBurn support directly out of the box.
Yes. All CO2 glass laser tubes require a continuous flow of cool water through the outer jacket to prevent thermal stress and tube cracking. Your OMTech K40 comes bundled with a heavy-duty submersible water pump. You simply place the pump into a large reservoir or bucket filled with clean, distilled water to maintain optimal operational temperatures. For high-volume production, upgrading to an active industrial water chiller is recommended.
No. A 40W CO2 laser cannot cut or deeply etch raw, unpainted metals like steel, brass, or copper due to wavelength reflection. However, the K40 laser engraver is excellent for marking treated metals. You can cleanly etch logos or text into anodized aluminum blanks, powder-coated tumblers, or raw steel that has been pre-treated with a specialty laser marking spray like LaserBond.
The K40 co2 laser is optimized for non-metallic mediums. It excels as a highly affordable desktop solution for engraving and cutting wood, MDF, plywood, cast acrylic, leather, rubber stamps, paper, and textiles. It also performs detailed surface etching on glass, ceramic tiles, and stone, though it cannot cut through them.
Here's a step-by-step guide to help you align your CO2 laser beam: https://www.youtube.com/watch?v=MvqalwRkDSg