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The Best K40 Laser Head of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best K40 Laser Head of 2023. Check our ranking below.

2,059 Reviews Scanned

Rank No. #1

FONLAND K40 CO2 Laser Head Set - Incl. Head & Mounts, Dia.18mm FL.50.8mm, for 2030 4060 K40 Laser Engraving Cutting Machine, Blue

👍Material: Made of High Quality Aluminium Alloy. Integrative fixture mount with air assist nozzle, joint plate and belt fastener.
👍Used for Mirror Diameter: 20mm. Lens Diameter: 20mm. Focal Length of Lens: 50.8mm.
👍Lens Tube Adjustable: The Dia.12mm Lens Tube 56-74mm Height Adjustable. The Dia.18/20mm Lens Tube 78-82mm Height Adjustable.
👍Package 3PCS: 1 * Laser Head (D18 FL50.8); 1 * 1st Mirror Mount; 1 * 2nd Mirror Mount.
👍Usage: Replacement parts for Co2 laser stamp making/engraver machines. Before purchasing the product, please pay attention to whether the size of the product matches your machine.

Rank No. #2

FONLAND K40 CO2 Laser Head with Air Assist for K40 Laser Engraver Cutter Engraving Machine, Lens Dia 12/18mm FL50.8mm & Dia 16mm FL25.4mm Mirror 20mm

💫Material: Made of High Quality Aluminium Alloy With Blue Oxide Coating.
💫Air Assist: K40 laser head with air-assist connector. Air plug outer diameter: 5.0mm. Suggest 5X8 silicon flex tube.
💫Focus Lens: D12mm FL50.8mm / D16mm FL25.4mm / D18mm FL50.8mm. Laser Mirrors: Dia 20mm.
💫Feature: By including an O-ring with this head,lens of 12mm,15mm,18mm can be used.
💫Package: 1 * K40 laser head with air-assist, 1 * D18 USA ZnSe Focus Lens, 1 * D20 Si Mirror. Replacement parts for CO2 laser stamp making/engraver machines.

Rank No. #3

Cloudray 12/18mm FL50.8 & 16mm FL25.4 Laser Head With Air Assist For K40 Laser Engraver Cutter

𝐒𝐮𝐩𝐩𝐨𝐫𝐭 𝐟𝐨𝐜𝐚𝐥 𝐥𝐞𝐧𝐬: D12 FL50.8mm / D16 FL25.4mm / D18 FL50.8mm focus lens ,Only support this three kind lens ,can not install dia.20mm focus lens ;The mount is also capable of Dia. 20mm reflective mirror
𝐄𝐱𝐜𝐞𝐥𝐥𝐞𝐧𝐭 𝐊𝟒𝟎 𝐀𝐜𝐜𝐞𝐬𝐬𝐨𝐫𝐢𝐞𝐬: This nozzle is one of the excellent enhancements to a k40 laser, It fits right on the cutter head, and improves the cut quality as well as preserves the machine.
𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧: This k40 cutter head can work with K40 engraving machine ,when the fixed bracket to which the moving axis of the cutter is connected is M22 or M23;Pls keep in mind that not all K40 lasers are the same bracketing and setup.
𝐒𝐮𝐠𝐠𝐞𝐬𝐭𝐢𝐨𝐧: Air-assist connector position ,Suggest 5X8 silicon fles tube (Inner dia.5mm,outer dia.8mm )，since the outer diameter of the air auxiliary connector is 5.3mm
𝐄𝐚𝐬𝐲 𝐈𝐧𝐬𝐭𝐚𝐥𝐥𝐭𝐢𝐨𝐧: This is a plug and play system if the item can meet your K40 machine; If the air nipple and screw hole not lined up,Please align and screw it,it will be fine;The way to place the different lens: use the ring,install the dia.12 FL50.8mm focus lens; Take away the ring,install the dia.18 FL50.8mm focus lens;install the dia.12 FL50.8mm focus lens(Pls take a look of the dimension picture)

Rank No. #4

Cloudray K Series Whole Set Incl Head and Mirror Mounts with Focus Lens D20 FL50.8 Mo Mirrors for 2030 4060 k40 Laser Engraving Cutting Machine

Used for Mirror Diameter: 20mm, Lens Diameter: 20mm, Focal Length of Lens: 50.8mm
Made of aluminium. Integrative fixture mount with air assist nozzle.
This component is for general configuration. There are some differences between different cutting opportunities, and some modifications may be needed. Please pay attention to whether the dimension size of the product matches your machine.
Replacement Parts for CO2 Laser Engraving Machine
Package 7 pcs: 1 pcs laser head set & 1pcs USA CVD focus Lens(D20 FL50.8) & 3 pcs Mo mirrors (D20mm)

Rank No. #5

MCWlaser K40 Laser Head 12mm/18mm FL 50.8mm CO2 Laser Head with Air Assist for K40 Laser Engraver Cutter

Supports laser focus lens: D12mm 18mm FL50.8mm laser lens.
High-quality K40 Accessories: The K40 laser head is one of the necessary accessories for the K40 laser cutting machine and it can be mounted directly on the cutting head.It protects the machine and also improves the quality of the cut.
NOTE: Due to the outer diameter of the air auxiliary connector is 5.3mm, so Air-assist connector position ,Suggest 5x8 silicon fles tube (ID.5mm,OD.8mm ).
Easy Installation: It features a plug-and-play system, Air nozzles and screw holes need to be aligned and tightened. The threaded pieces are easy to unscrew.
Application: The k40 cutter head work with K40 engraving cutting machine. Please note that not all K40 lasers have the same mount and setup.

Last update on 2025-07-07 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best K40 Laser Head?

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We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for K40 Laser Head that you consider buying. Your questions might include the following:

Is it worth buying an K40 Laser Head?
What benefits are there with buying an K40 Laser Head?
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Why is it crucial to invest in any K40 Laser Head, much less the best one?
Which K40 Laser Head are good in the current market?
Where can you find information like this about K40 Laser Head?

We’re convinced that you likely have far more questions than just these regarding K40 Laser Head, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for K40 Laser Head, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible K40 Laser Head. Make sure that you are only using trustworthy and credible websites and sources.

We provide an K40 Laser Head buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available K40 Laser Head currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of K40 Laser Head has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an K40 Laser Head?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your K40 Laser Head.
Customer Ratings: Number ratings grade K40 Laser Head objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their K40 Laser Head.
Product Quality: You don’t always get what you pay for with an K40 Laser Head, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an K40 Laser Head is should be an indication of how long it will work out for you.

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FAQ:

Q: What kind of laser head do I need for my K40?

A: Amazon.com: 12mm/15mm/18mm/20mm Laser Head with Air Assisted Connector. Ideal for K40 Machine : Sports & Outdoors 12mm/15mm/18mm/20mm Laser Head with Air Assisted Connector. Ideal for K40 Machine Amazon’s Choice highlights highly rated, well-priced products available to ship immediately. This fits your .

Q: What are the functions of a laser head?

A: A laser head has three main functions. 1: Holding your mirror and lens 2: Keeping your lens free from smoke 3: Blowing air on the cut area to prevent fires, burnt edges and better capacity. […] For air assist, it´s recommended to go with a air assist head when there is one really good for our machines out there.

Q: Do you need a water pump for a K40?

A: If your K40 doesn’t come with a pump you MUST buy a buy to ensure your laser tube is kept at an optimal temperature. Make sure you purchase a water pump with the attached brass connector, so you can properly connect your inlet/outlet pipes.

Q: How to mount a laser head with air assist?

A: Tighten the laser head to mounting plate of the machine; Mount the nozzle by fastening the screw. [Enhance engraving result] Not only it comes with air assist connection, it can be used with Lightobject air enhancer for even better result

K40 Laser Head