Your First CO₂ Laser Starts Here

Name: OMTech K40+ 45W Desktop CO2 Laser Engraver with 8" x 12" Working Area and Detachable Honeycomb Workbed
Brand: OMTech Laser
SKU: USB-0302-U4
Price: 599.99 USD
Availability: InStock

Affordable · Easy Start · Full Support

Price Save $500

Get Two Free Virtual Technical Support Session When You Buy This Machine.

Fast and Affordable Laser Entry — Step into the world of laser cutting and engraving without breaking the bank.
The all‑new K40+ is an upgrade from the classic 40W design with its powerful 45W laser, giving you the best‑in-its‑class performance at a price that beats competing models.

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Machine [Estimated to ship by early June]

Machine with LightBurn [Estimated to ship by early June]

Machine With Rotary Attachment [Estimated to ship by early June]

Machine With Water Chiller [Estimated to ship by early June]

Machine With Rotary & Water Chiller [Estimated to ship by early June]

OMTech K40+ 45W Desktop CO2 Laser Engraver with 8" x 12" Working Area and Detachable Honeycomb Workbed

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🚀 Beginner's Pick

72 pieces of laser-ready materials across 8 categories — everything you need to explore, experiment, and make your first masterpiece.

72 pcs · 8 material types

i

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 (VTS) 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+ Bundle Comparison

Choose the perfect K40+ bundle for your needs — from basic to all-in-one setups.

BASIC BUNDLES

Machine

Start Your Laser Journey

$699.99

Everything you need to begin engraving — the reliable OMTech K40+ laser with essential setup accessories.

OMTech K40+ 45W Laser Machine
Exhaust Fan + Duct Hose
Basic Water Pump

Machine with LightBurn

Precision Meets Simplicity

$799.99

Add the industry-leading LightBurn software to streamline your workflow and creative control.

All Base Items
LightBurn Software

ADVANCED BUNDLES

Machine with Rotary

Engrave Beyond the Flat

$859.99

Expand your possibilities — engrave mugs, tumblers, and cylindrical items with the rotary axis add-on.

All Base Items
Rotary Axis Attachment

Machine with Water Chiller

Stay Cool, Cut Longer

$939.99

Upgrade to stable cooling performance — extend tube life and improve cutting consistency with LCW-3000.

All Base Items
Water Chiller LCW-3000

Machine with Rotary & Chiller

All-In-One Creator Setup

$1099.99

The ultimate K40+ experience — ready for any project with rotary engraving and precision cooling combined.

All Base Items
Rotary Axis Attachment
Water Chiller LCW-3000

↓ 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(LWH): 31.9 x 19.7 x 9.8 in. (810x500x250 mm) Package Dimensions(LWH): 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 Compatible Software (not incl.): LightBurn Laser Tube Length: 28.3 in. (720 mm) Laser Tube Diameter: 2 in. (50 mm) Supported Image Formats: .ai, .bmp, .dxf, .emf, .gif, .hpgl, .jpeg, .pdf, .plt, .png, .rd, .svg, .tiff, .tga, .wmf Certification: CE, FDA Net Weight: 83.8 lb. (38 kg) 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

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
Compatible Software (not incl.): LightBurn

Laser Tube Length: 28.3 in. (720 mm)
Laser Tube Diameter: 2 in. (50 mm)

Supported Image Formats: .ai, .bmp, .dxf, .emf, .gif,
.hpgl, .jpeg, .pdf, .plt, .png, .rd, .svg, .tiff, .tga, .wmf

Certification: CE, FDA

Net Weight: 83.8 lb. (38 kg)

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

Your First CO₂ Laser Starts Here

OMTech K40+ 45W Desktop CO2 Laser Engraver with 8" x 12" Working Area and Detachable Honeycomb Workbed

Find Your Perfect Kit

Start Creating on Day One