--- product_id: 230967749 title: "12/18mm FL50.8 & 16mm FL25.4 Laser Head With Air Assist For K40 Laser Engraver Cutter" brand: "cloudray" price: "KD 11.64" currency: KWD in_stock: true reviews_count: 13 category: "Cloudray" url: https://www.desertcart.com.kw/products/230967749-12-18mm-fl50-8-and-16mm-fl25-4-laser-head store_origin: KW region: Kuwait --- # Integrated air assist for cleaner, sharper cuts Supports 3 precision focal lenses (12/18mm FL50.8 & 16mm FL25.4) Plug & play with K40 laser engravers, easy installation 12/18mm FL50.8 & 16mm FL25.4 Laser Head With Air Assist For K40 Laser Engraver Cutter **Brand:** cloudray **Price:** KD 11.64 **Availability:** โœ… In Stock ## Summary > ๐Ÿš€ Elevate your K40 laser precisionโ€”cut cleaner, focus sharper, and lead the pack! ## Quick Answers - **What is this?** 12/18mm FL50.8 & 16mm FL25.4 Laser Head With Air Assist For K40 Laser Engraver Cutter by cloudray - **How much does it cost?** KD 11.64 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/230967749-12-18mm-fl50-8-and-16mm-fl25-4-laser-head) ## Best For - cloudray enthusiasts ## Why This Product - Trusted cloudray brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - โ€ข **Durable Aluminum Build:** Lightweight yet robust aluminum construction ensures longevity and consistent performance under heavy use. - โ€ข **Enhanced Cutting Quality:** Air assist nozzle reduces debris and heat, delivering crisp, professional-grade engraving every time. - โ€ข **Seamless K40 Integration:** Designed specifically for K40 laser cutters with M22/M23 bracketsโ€”plug, align, and elevate your setup. - โ€ข **User-Friendly Installation:** No fuss, no downtimeโ€”easy screw alignment and lens swapping keep your workflow smooth and efficient. - โ€ข **Precision Lens Compatibility:** Optimized for D12 FL50.8mm, D16 FL25.4mm, and D18 FL50.8mm lensesโ€”upgrade your focus game. ## Overview The Cloudray Laser Head with Air Assist is a precision-engineered upgrade for K40 laser engravers, supporting three specific focal lenses (12/18mm FL50.8 & 16mm FL25.4). Its integrated air assist system enhances cut quality by minimizing debris and heat, while the durable aluminum design ensures reliable, long-term use. Designed for easy plug-and-play installation on K40 machines with M22/M23 brackets, this accessory transforms your engraving experience with professional-grade precision and efficiency. ## Description Product description K40 Cutter Head Support for three kind focus lens : D12 FL50.8 / D18 FL50.8 /D16 FL25.4 K40 Cutter Product Structure The 12mm FL50.8mm focusing lens needs to be installed with a ring When install the 18mm FL50.8mm focal lens ,pls take away the ring Please pay attention to the installation positions of different diameter focusing lenses Note: Focus lens and mirrors are NOT included Aluminum Material With Blue Oxide Coating;Air plug outer diameter: 5.0mm 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 Attention The black hexagonal wrench is a mirror lock nut removal tool Related products Focus Lens Si Mirrors CO2 Glass Tube Multi-Diameter D12mm-D25mm,FL38.1-127mm Multi-Model-Diameter D19.05-38.1 Multi-Power 35W-180W Laser tube Shipping From USA desertcart Warehourse How to place the lens๏ผŸ Please pay attention to the installation positions of different diameter focusing lenses , install D12 lens needs to be installed with a ring, and when install the 18mm FL50.8mm focal lens ,pls take away the ring, How to place the lens๏ผŸ Please pay attention to the installation positions of different diameter focusing lenses , install D12 lens needs to be installed with a ring, and when install the 18mm FL50.8mm focal lens ,pls take away the ring, Focus lens and mirrors are included? NO ,Focus lens and mirrors are NOT included, if you need the set you cloud take a look of these ASIN B0B4NTQZYN / B0B4NV3QGL / B0B4NWXMVK / B0B4NYVCKM Focus lens and mirrors are included? NO ,Focus lens and mirrors are NOT included, if you need the set you cloud take a look of these ASIN B0B4NTQZYN / B0B4NV3QGL / B0B4NWXMVK / B0B4NYVCKM Where is he adapter ring shown in the picture ? The Ring is not packaged as a separate piece,Pls take a notice to the screwdriver slots in the middle piece ,You will discover that the 12mm adapter ring was installed,It was not visible unless the head is disassembled. Where is he adapter ring shown in the picture ? The Ring is not packaged as a separate piece,Pls take a notice to the screwdriver slots in the middle piece ,You will discover that the 12mm adapter ring was installed,It was not visible unless the head is disassembled. Pls keep in mind that not all K40 lasers are the same bracketing and setup 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 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 ## Features - ๐’๐ฎ๐ฉ๐ฉ๐จ๐ซ๐ญ ๐Ÿ๐จ๐œ๐š๐ฅ ๐ฅ๐ž๐ง๐ฌ: 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 - ๐„๐ฑ๐œ๐ž๐ฅ๐ฅ๐ž๐ง๐ญ ๐Š๐Ÿ’๐ŸŽ ๐€๐œ๐œ๐ž๐ฌ๐ฌ๐จ๐ซ๐ข๐ž๐ฌ: 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. - ๐€๐ฉ๐ฉ๐ฅ๐ข๐œ๐š๐ญ๐ข๐จ๐ง: 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. - ๐’๐ฎ๐ ๐ ๐ž๐ฌ๐ญ๐ข๐จ๐ง: Air-assist connector position ,Suggest 5X8 silicon fles tube (Inner dia.5mm,outer dia.8mm )๏ผŒsince the outer diameter of the air auxiliary connector is 5.3mm - ๐„๐š๐ฌ๐ฒ ๐ˆ๐ง๐ฌ๐ญ๐š๐ฅ๐ฅ๐ญ๐ข๐จ๐ง: 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) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08JQ9FY56 | | Best Sellers Rank | #230,045 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #649 in Jewelry Making Engraving Machines & Tools | | Brand | Cloudray | | Brand Name | Cloudray | | Color | Set a (Only K40 Head) | | Customer Reviews | 4.4 out of 5 stars 305 Reviews | | Item Weight | 60 Grams | | Manufacturer | Cloudray | | Manufacturer Part Number | MP09K40SLHB | | Material | Aluminum | | Material Type | Aluminum | | Model Number | K40 | | Operation Mode | Automatic | | Style | Laser | | Style Name | Laser | | UPC | 727277172253 | ## Product Details - **Brand:** Cloudray - **Color:** Set a (Only K40 Head) - **Item Weight:** 60 Grams - **Material:** Aluminum - **Style:** Laser ## Images ![12/18mm FL50.8 & 16mm FL25.4 Laser Head With Air Assist For K40 Laser Engraver Cutter - Image 1](https://m.media-amazon.com/images/I/61ByqS0DT2L.jpg) ![12/18mm FL50.8 & 16mm FL25.4 Laser Head With Air Assist For K40 Laser Engraver Cutter - Image 2](https://m.media-amazon.com/images/I/71Chsq3u-SL.jpg) ![12/18mm FL50.8 & 16mm FL25.4 Laser Head With Air Assist For K40 Laser Engraver Cutter - Image 3](https://m.media-amazon.com/images/I/61vnD2AT5qL.jpg) ![12/18mm FL50.8 & 16mm FL25.4 Laser Head With Air Assist For K40 Laser Engraver Cutter - Image 4](https://m.media-amazon.com/images/I/61l28VFOqJL.jpg) ![12/18mm FL50.8 & 16mm FL25.4 Laser Head With Air Assist For K40 Laser Engraver Cutter - Image 5](https://m.media-amazon.com/images/I/71POVJoZdaL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: How to place the lens๏ผŸ** A: Please pay attention to the installation positions of different diameter focusing lenses , install D12 lens needs to be installed with a ring, and when install the 18mm FL50.8mm focal lens ,pls take away the ring, **Q: Focus lens and mirrors are included?** A: NO ,Focus lens and mirrors are NOT included, if you need the set you cloud take a look of these ASIN B0B4NTQZYN / B0B4NV3QGL / B0B4NWXMVK / B0B4NYVCKM **Q: Where is he adapter ring shown in the picture ?** A: The Ring is not packaged as a separate piece,Pls take a notice to the screwdriver slots in the middle piece ,You will discover that the 12mm adapter ring was installed,It was not visible unless the head is disassembled. **Q: Pls keep in mind that not all K40 lasers are the same bracketing and setup** A: 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 ## Customer Reviews ### โญโญโญโญโญ Review *by G***O on April 30, 2025* ### โญโญโญโญโญ Review *by W***E on February 8, 2021* ### โญโญโญโญโญ Review *by K***R on November 12, 2025* ## Frequently Bought Together - Cloudray 12/18mm FL50.8 & 16mm FL25.4 Laser Head With Air Assist For K40 Laser Engraver Cutter - Cloudray CO2 Laser Lens 18mm Laser Mirror CO2 Laser Focal Lens CO2 Focus Lens,CVD ZnSe for CO2 Laser Engraving Cutting Machine,Laser Cutter 40W-200W,Dia 18mm FL50.8mm - Cloudray Laser Mirror Si Reflective Lens CO2 Laser Lens Si Gold Plated Mirror 20mm Co2 Laser Mirror for CO2 Laser Engraving Cutting Machine, Dia 20mm 3PCS --- ## Why Shop on Desertcart? - ๐Ÿ›’ **Trusted by 1.3+ Million Shoppers** โ€” Serving international shoppers since 2016 - ๐ŸŒ **Shop Globally** โ€” Access 737+ million products across 21 categories - ๐Ÿ’ฐ **No Hidden Fees** โ€” All customs, duties, and taxes included in the price - ๐Ÿ”„ **15-Day Free Returns** โ€” Hassle-free returns (30 days for PRO members) - ๐Ÿ”’ **Secure Payments** โ€” Trusted payment options with buyer protection - โญ **TrustPilot Rated 4.5/5** โ€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.kw/products/230967749-12-18mm-fl50-8-and-16mm-fl25-4-laser-head](https://www.desertcart.com.kw/products/230967749-12-18mm-fl50-8-and-16mm-fl25-4-laser-head) --- *Product available on Desertcart Kuwait* *Store origin: KW* *Last updated: 2026-05-13*