Best K40 Laser 2025

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Last Updated - 09/06/2025

Best Choice

01

OMTech

OMTech K40+ CO2 Laser Engraver, 8 x 12 Inch 40 W Desktop Laser Engraving Machine for Home Use, LaserGRBL LightBurn-Compatible Laser Engraving Cutter with Adjustable Laser Head, Air Support

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9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Laser Indicator for Positioning: With our integrated laser indicator, you can set the starting point for engraving or cutting quickly and accurately. This saves time as repeatedly checking the laser origin is no longer necessary and you can start editing immediately.
Industrial Honeycomb Table The honeycomb table of a laser engraving machine improves engraving quality by effectively dissipating smoke and dust and minimizing material contact, thus avoiding scratches and reducing the reflection of the laser.
HEIGHT ADJUSTABLE LASER HEAD With an adjustable height range of 30mm, the laser head of our K40 CO2 lasers allows flexible adjustment of focus for materials of varying thickness, ensuring optimal engraving depth and precision on any project.
Desktop laser cutter for home: OMTech K40 laser engraving machine combines stylish design with compact dimensions (81 x 50 x 25 cm) and a low net weight of 23 kg, perfect for home and beginners. It fits perfectly in smaller rooms.
Adjustable Mirrors Our K40 desktop laser cutter features precision adjustable mirrors that allow quick and effortless adjustment of the laser path. This allows you to optimally adjust the laser beam direction and achieve high precision in your engraving work.
40W laser with air compressor: The K40 laser engraving machine houses a powerful 40W laser at its core, completed by a powerful air compressor that underlines its precision and efficiency. With an engraving speed of up to 300 mm/s, it can easily cut even walnut wood up to a thickness of 3 mm.

599,99 €
Value for Money

02

OMTech

OMTech CO2 Laser Engraving Machine K40+ 30 x 20 cm CO2 Laser Engraver 40 W 8 x 12 Inch Desktop Laser Engraving Machine LaserGRBL LightBurn-Compatible Laser Engraving Cutter for Wood Glass Acrylic PVC

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9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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TREAT REGULAR AND IRREGULAR OBJECTS EASILY - Our K40+ laser cutter and engraver features a 200 x 300 mm (8 x 12 inch) workbed for editing regularly shaped objects.
SUPERIOR SUPPORT & SERVICE From garage artists to small businesses to professional stores, the OMTech community continues to grow thanks to our passionate commitment to making high-quality engravings available to all.
PRECISE DIY LASERS WITH LIGHTBURN COMPATIBILITY The OMTech 40 watt desktop laser engraving machine allows precise engraving up to 3mm depth on wood, glass, acrylic, leather and other materials at a speed of up to 300mm/s. It works seamlessly with LightBurn and LaserGRBL to create fine designs and streamline your workflow.
EXPERIENCE SAFE AND CLEAN LASER ENGRAVING The extended viewing window is made of flame retardant material for durable safe use. In addition, the improved air support and exhaust fan work together to efficiently remove smoke and dust.
ADJUSTABLE LASER HEAD & DETACHABLE BASE FOR LARGE OBJECTS The laser head of this laser engraving machine extends up to 3 cm, and the base is easy to detach. This allows for convenient cleaning and handling of longer and larger objects.

599,99 €
03

Cloudray

Cloudray K40 CO2 Laser Head K40 CO2 Laser Head for Laser Engraving Cutting Machines of the K40 Series Lens Diameter 15/18 mm Focal Length 50.8 mm Mirror 20 mm CO2 Laser Engraving Machine

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9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Suitable for use: D12 FL50.8 mm / D16 FL25.4 mm / D18 FL50.8 mm focus lens, only this three types lens, cannot install an average average. The focus lens is also able to mount it. 20mm reflective mirror
Protection: Air-assist connection position, recommend 5 x 8 silicon flexible tubes (inner diameter, 5 mm).
Easy to use: this nozzle is one of the excellent improvements of a K40 laser. It fits directly on the cutter head and improves the cutting quality as well as the machine.
Easy to install: This is a plug and play system if the item can meet your K40 machine. If the air wart and screw hole are not aligned, please align them and screw them on; the way to place the different lens: use the ring, install the DIA.12 FL50.8mm focus lens; take the ring away, install the DIA.18 FL50.8mm focus lens; install the DIA.12 FL500. 8 mm focus focus US lens
Application: This K40 cutter head can work with the K40 engraving machine if the fixed holder to which the moving axis of the cutter is connected is M22 or M23.

29,00 €
04

Sihao

Laser Engraving Machine 40 W Laser Cutter Engraving Machine Laser Engraver CO2 with USB Port Engraving Range 300 x 200 mm 220 V Europlug Wood/Paper/Plastic/Leather (Blue/White)

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Parameters - Power supply: AC220 ± 10% 50Hz/AC110 ± 10% 60Hz. Software environment: Windows XP, Win7, Win8, Win10, Win 11 Graphics format support: CorelDraw, MeerK40t, all formats recognized by AutoCAD, such as JPG, BMP, AI, PLT, etc. Our engraving machine has passed the CE certification with one year quality guarantee. If you have any questions, you can contact us directly, and we will help you solve them within 24 hours. At the same time, we also provide you with official invoices.
HIGH PRECISION High precision stepper motors for more stable and precise operation. Engraving and cutting accuracy: ≤2500dpi Positioning accuracy: ≤ 0.01 mm.
Easy to use - Connect to a desktop or laptop via a USB interface. Software support: CorelDraw/AutoCAD/MeerK40t. Engraving speed: 0-300mm/s Cutting Speed: 0-300mm/s Cutting thickness: 6 mm. The transport time is 5-7 days.
Durable - The engraving surface is 300 x 200 mm. With high-quality carbon dioxide laser tubes, the service life is ≥ 1300 hours. The body is thickened and very durable. The built-in fan effectively lowers the temperature of various components.
Carbon Dioxide Laser Engraving Machine - Laser engraving machine can carve and cut almost any non-metallic material, such as paper packaging, label paper, plastic, bamboo and wood products, leather, fabric, glass, ceramic, resin plastic, rubber, stone, glass, circuit board, etc. It eliminates tedious manual work, has high accuracy, wide application, fast production speed and low cost! Suitable for business or family needs.

490,00 €
05

Monport

Monport 40 W CO2 Laser Engraving Machine, Laser Engraver with Cooling System, Ventilation, Dual Work Bed, 300 x 200 mm Desktop Laser Cutter for Small Business, Laser Engraving for Metal Silver

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

UPGRADE MACHINE COMPONENTS The Monport 40W Pro has a number of improved features including a 19mm adjustable laser head, professional metal rails and a premium mirror holder. Together, these upgrades provide a refined engraving experience for users.
Red Dot Guide: With our red dot guide function, you will never miss the target again. It is mounted on the laser head and indicates the path of the laser, providing unparalleled precision when aligning your cuts and engravings.
Lightburn Compatibility We have equipped this 40W machine with an improved control board to ensure compatibility with Lightburn - the industry's leading and most widely used software. With Lightburn, your design possibilities are virtually endless.
INNOVATIVE DUAL WORK BED The machine comes with a dual work bed that offers two options for more options. The stabilizer clamp secures irregularly shaped objects in place, while the vented leveling plate takes into account regular shapes and makes any engraving project a breeze.
EXCEPTIONAL SPEED & PRECISION Our desktop engraving machine guarantees high speed engraving up to 350mm/s. It is also incredibly precise and offers an engraving accuracy of 0.01 inches. Whether wood, glass, acrylic or leather, this machine engraves everything with the highest perfection.
BUILT-IN VENTILATION Built-in fan to increase laser power, improve ventilation and reduce noise. The exhaust port contributes to a safe working environment, allowing you to divert the fumes outside.
BUILT-IN AIR SUPPORT Built-in air support improves engraving precision and ensures the final artwork is clear and clean. Significantly reduces carbonation effects when engraving on wood and delivers flawless results every time.

599,98 €
06

MCWlaser

MCWlaser Si CO2 Laser Mirror Set Diameter 20 mm Gold-Coated Silicon CO2 Laser Reflective Mirrors Lens for CO2 Laser Engraving Cutting 40W-400W Pack of 3

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8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【Size of the laser mirror】Material: silicon gold-plated, diameter: 20mm/0.79"; thickness: 3mm/0.19"; shape: level; transmission (highly reflective) >99.2%.
Wide application: Si laser mirror is suitable for 40 W-400 W CO2 laser engraving and cutting machines. It is a great replacement for the K9 mirror for K40 and other 40W engravers.
Package contents: 3 x 20 mm CO2 laser mirror kit. Single piece independent packaging, adopt closed vacuum packaging to prevent oxidation and corrosion.
High reflectivity: MCWlasers Si laser reflection lens has excellent optical performance and fast heat dissipation, high work efficiency and minimises light loss caused by reflection. The reflectivity for infrared light is up to 99.8% at a wavelength of 10600nm and minimises the power loss from the laser tube to the work surface.
Excellent material and exquisite coating technology: gold-plated silicon, 5 layers of coated gold film, coating is durable. Excellent coating art, precision cutting, polishing and grinding process, high heat resistance, adapt to work in harsh conditions, long service life.

33,90 €
07

Cloudray

Cloudray CO2 Laser Head CO2 Laser Head Diameter 12-20 mm FL 50.8 mm CO2 Laser Engraving (D12-F50.8), Blue

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Used for CO2 focus lens diameter:12mm, focal length:50.8mm; used for CO2 mirror diameter:20mm
Package Content:1pc K Series Head Diameter:12mm FL 50.8mm
Ony the Dia.12mm lens tube can be adjustable,The adjustable lens tube height is 56-74mm.
Bracket with air support nozzle.
Application for 2030 4060 K40 Laser Engraving Cutting Machine, Replacement Parts for CO2 Laser Engraving Machine

38,00 €
08

MCWlaser

MCWlaser CVD II-VI ZnSe CO2 Laser Lens Diameter: 12 mm FL: 2 Inch or 50.8 mm K40 Focus Lenses Lens for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Usage: can be used for CO2 laser head, laser engraver and cutting machine, DIY and various CO2 laser systems.
Material:High quality USA imported II-VI CVD ZnSe material
Diameter: 12 mm/0.47 inch; focal length: 50.8 mm/2 inch; thickness: 2.2-2.3 mm; light transmission: ≥99.8%
Application It is widely used in cutting, engraving, drilling, welding and other CO2 laser; it has good performance for 10600nm 10.6um CO2 laser.
Advantages: double-sided solid coating to reduce laser loss, smudge-proof, long service life, precision cutting, polishing and grinding processes, high temperature laser resistance, excellent optical properties, smaller focal spot size, good engraving and cutting effect, high work efficiency.

26,90 €
09

Cloudray

Cloudray CO2 Laser Head Set for CO2 Laser Cutter DIY (Full Set with Lens D20 mm)

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Used for mirror diameter:20mm, lens diameter:20mm, focal length of lens:50.8mm
Replacement parts for CO2 laser engraving machine
Made of aluminium. Integrative mounting bracket with air support nozzle.
Lens combo set: means laser head set + lens + mirror (including 3 pieces Mo mirror and 1 piece USA lens)
High-quality aluminium alloy with air support nozzle, connection plate and strap closure.

82,80 €
10

Cloudray

Cloudray LightBurn Software for Laser Cutter Engraver G-Code Version Supports XTool D1, Two Trees, NEHE Master, FoxAlien. XCarve, Shapeoko

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Your order will be fulfilled by Amazon. Please wait for Amazon to ship them. You will receive an A4 sheet with your license key
They are usually a blank board and are commonly used in open frame diode lasers. They are also commonly used as a replacement for the standard controller in the common K40 laser
Please note that LightBurn does not support the standard M2 nano board in the popular K40 laser. This board does not provide control of power supply by software - we recommend updating the board to take full advantage of LightBurn
G-CODE version supports the following controllers: GRBL/Smoothieware/Marlin/EleksMaker/Ortu/AtomStack/TwoTrees/NEJE Master/XTool D1/FoxAlien/XCarve/Shapeoko
G-CODE VERSION Commonly used in 3D printers, DIY CNC machines, and kit or DIY lasers; G code controllers use a text-based command format called G-Code and are commonly open source hardware and firmware

115,00 €