The Best 4Kw Laser of 2022 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best 4Kw Laser of 2022. Check our ranking below.
2,941 (random num) Reviews Scanned
Rank No. #1
Raytools Original Protective Windows 37x7mm 15KW Laser Optical Protection Lens 27.9 * 4.1 0-4KW Fiber Laser Cutting Head Spare Parts 30x5 30 * 1.5 18 * 2 Laser Protective Lens (10 PCS, 27.9x4.1)
- Brand :Raytools
- Model：22.4*4.1、24.9*1.5、27.9*4.1、30*5、37*7、38*2、38.1*1.6、50*2,etc.
- Applicable Power：0-4kw、0-6kw、0-12kw
- Application: BT210S, BT240S, BM109, BM111, BM114S,etc. fiber laser cutting head.
- If you have any questions about the products,could check with our customer service before place the order, we will try our best to help you~
Rank No. #2
Cloudray Raytools Original Protective Windows Laser Optical Protection Lens 27.9 * 4.1 0-4kW Fiber Laser Cutting Head Accessories （10PCS 27.9x4.1）
- Product Name : Original Protective Windows
- Model：24.9*1.5、27.9*4.1、30*1.5、30*5、37*7、37*1.6、38*2、38.1*1.6、50*2,etc.
- Application: Used For BT210S, BT240S, BM109, BM111, BM114S,etc. fiber laser cutting head.
- Applicable Power：0-4kw、0-8kw、0-12kw
- Any confusion about the items,pls check with our customer service before place the order, we will try our best to help you.
Rank No. #3
5pcs Original Protective Laser,Raytools Optical Protection Lens 27.9 * 4.1 0-6KW Fiber Laser Cutting Head Spare Parts,Fiber Laser Cutting Head Accessories (27.9 * 4.1 * 5pcs)
- Product Name :Raytools Original Protective Lens
- Model：27.9 * 4.1 0-4kW、5pcs
- Application: Used For BT210S, BT240S, BM109, BM111, BM114S,etc. fiber laser cutting head.
- Applicable Power：0-4kw
- Any confusion about the items,pls check with our customer service before place the order, we will try our best to help you.
Rank No. #4
10pcs 30x5mm Lens Original 4kw Laser Protective Windows 211LCG068 JGS1 1064nm Quartz Fused Silica P203160415 for Fiber(5pcs)
- Features:Cu copper reflector mirror with good optics characteristics is widely used for CO2 laser engrave machine. Dielectric film reflector is a new total reflection mirror with the single crystal Si as substrate and coating dielectric. material on it to reflect CO2 laser beam .It has advantage of a high reflectivity .Light weight ,wipe-resistan and resistant to oxidation and etc.
- Superb Coating Process: Double-sided Solid Coating. Wiping Resistance. Long Working Life.
- High Precision Process: Excellent Substrate. Precision Slicing, Polishing, Grinding Processes. Adapt to higher operating temperatures.
- High Transmittance: Material and Exquisite Coating. Reduce the Loss of Laser. Higher Work Efficiency.
Rank No. #5
HERO LASER Laser Welding Machine 2000W Air Cooled Laser Welder Portable Welding Seam Cleaner 220V 15A Handheld Fiber Laser Welding Gun with Auto Wire Feeder for Metal Stainless Steel Aluminum Copper
- We have USA stock and can ship you by local truck next day after you ordered,all cost covered.You never have to wait for long time and never have customs clearance issue.
- Advanced Air-Cooled Technology - Our laser welding machine features a unique air-cooled heat dissipation system, eliminating the need for external chillers. This compact, lightweight device is highly portable, fitting up to three units in a standard vehicle trunk, making it ideal for on-the-go welding tasks. Enjoy the benefits of energy-saving 915nm technology, which reduces electricity consumption by over 50% compared to traditional water-cooled models.
- Superior Welding Performance - Equipped with a 14um energy transmission optical fiber, our laser welder delivers high-quality spot output and exceptional power density. The machine ensures beautiful welds with no marks or discoloration, and supports multiple angle nozzles to cater to various welding needs, ensuring fast and precise results every time.
- Technical parameters - The of the welding machine is 2000W (2 Mw) and the rated power is 4KW (4Mw). The laser welding machine belongs to Class IIIa, so appropriate safety precautions need to be taken when using it, such as wearing laser safety glasses and using protective barriers, etc.
- User-Friendly and Safe Operation - The handheld laser welder features a customizable system with a novel interface for straightforward operation. Safety is paramount; the machine includes a safety circuit to prevent accidental light emission, providing a secure and reliable welding experience. The comfortable, lightweight welding gun is designed for ease of use, featuring a double protective lens with a quick-release mechanism for convenient maintenance.
Rank No. #6
CO2 Laser Cutter Focus Focal Lens 10pcs Lens Original 27.9x4.1mm 4kw Laser Protective Windows 211LCG0037 JGS1 1064nm Quartz Fused Silica BT210 BT240 (Color : 27.9x4.1(Original), Size : 10pcs)
- Features:Cu copper reflector mirror with good optics characteristics is widely used for CO2 laser engrave machine. Dielectric film reflector is a new total reflection mirror with the single crystal Si as substrate and coating dielectric. material on it to reflect CO2 laser beam .It has advantage of a high reflectivity .Light weight ,wipe-resistan and resistant to oxidation and etc.
- Superb Coating Process: Double-sided Solid Coating. Wiping Resistance. Long Working Life.
- High Precision Process: Excellent Substrate. Precision Slicing, Polishing, Grinding Processes. Adapt to higher operating temperatures.
- High Transmittance: High Quality Material and Exquisite Coating. Reduce the Loss of Laser. Higher Work Efficiency.
Rank No. #7
US STOCK LYXC 1200W Class 2 Laser Welding Machine Output Power 0.874mW Air-cooled Design Laser Welder With Wire Feeder for carbon steel, aluminum, brass, copper Laser Distance 2.2 mi
- Model: ALW-1200A, gross volume: 0.1m3, weld gun weight: 650g, operating mode: continuous/pulsed/modulation/line array/timing mode, scan width: 0-5mm, input voltage: 220V±10%,50Hz/60Hz, rated power: 4kw, gross weight: 32kg (Wire feeder weight 10kg), machine dimension: 550*320*550mm. Class 2 Laser, output power 0.874mW. Laser Distance 2.2 mi.
- The air-cooled laser welding machine is lightweight and small in size, total weight only 32kg, volume 0.1m3, making it easy to carry around and other applications. Even if you have never used this type of machine before, you will be able to master the techniques and operate it within 30 minutes, making it very efficient.
- Welding speed is 4-10 times faster than traditional welding:Depth of fusion on one side: stainless steel:4mm, carbon steel:4mm, galvanized sheet:4mm, aluminum:4mm, brass:1.5mm, copper:1.5mm. Double-sided depth of fusion: stainless steel:8mm, carbon steel:8mm, galvanized sheet:8mm, aluminum,8mm, brass:3mm, copper:3mm. Wide range of welding possibilities: carbon steel butt welding, butt welding, fillet welding, spot welding of advertising words, 2mm filet welding, square tube butt welding.
- Suitable for welding a wide range of metal materials with sufficient flexibility and adjustability. Particularly suitable for high-quality welding and enables easy preheating of different materials. widely used in hardware, building materials, kitchenware, aerospace, automobile and other industries, suitable for a variety of materials.
- Multiple intelligent protections: overheating protection, protect internal components from damage due to exceeding the safe operating temperature; optical cable connection interlock; safety protection circut,this safety protection circut ensures that the handheld welding head is only allowed to emit laser when the nozzle is connected(in contact)with the workpiece.
Rank No. #8
WTTTOOLS US Stock Laser Welding Machine 1200 W (0.874mW) 2-in-1 Air Cooled Laser Welder 220V Handheld Portable Fiber Welder Gun Class 2 with Auto Wire Feeder for Metal Stainless Steel Aluminum Copper
- INTRODUCTION - WTTTOOLS 1200 W handheld 2-in-1 air-cooled laser welding machine features a lightweight design and compact size, making it easy to carry in your car. Output power: 1200 W. Input Voltage: 220V. Rated Power: 4kW. Fiber Cable Length: 5m. Gross Volume: 0.1m3. Weld Gun Weight: 1.4lbs. Scan Width: 0-5mm. Gross weight: 70.56 lbs. Wire Feeder Weight: 33 lbs. Machine Dimension: 21.7*12.6*21.7in. Package Included: 2-in-1 air-cooled laser welder*1, laser welding nozzles set*1, wire feeder*1. Laser Class: Class 2. Output Power: 0.874mW.
- 2-IN-1 FUNCTION - Despite the traditional welding function of a laser welding machine, this portable laser welder has added another useful welding beam cleaning function. You can directly change the welding mouth in a few seconds after welding and then the oxide welding seam can be cleaned well and provides you with a smoother and flatter workpiece which greatly saves your time and energy to clean welding joints. This process can also improve adhesion during painting.
- CONVENIENT TO USE - Equipped with a 7” touch screen for easy setting parameters. The laser cleaning gun is only 1.4 lbs to provide you comfortable grip and excellent welding experience. Besides, this air-cooled laser welder has an easy mode for beginners. We have already inserted 40 parameter settings to help you operate fluently and you only need to choose the type, thickness, speed, and welding method of your workpiece.
- WIDE APPLICATIONS - The welding speed is 4-10 times faster than traditional fiber laser welding machines. For different materials, the single-side melting depth is as follows: stainless steel: 3mm, carbon steel: 3mm, galvanized sheet: 3mm, aluminum: 3mm, brass: 3mm, copper: 3mm. The 2-in-1 air cooling laser welder can also be used in many fields, such as automotive, electronics, automated manufacturing, shipbuilding, oil and gas, etc.
- CARING WARRANTY - We are the subsidiary company of SFX Laser and the manufacturer of laser products since 2004. CE/ISO/FDA Certificates. We provide a 2-year warranty for the laser source and a 1-year warranty for the whole machine. Send to your door by DHL/UPS/FedEx. No additional cost and tariff. If you have any questions or problems, please contact us via Amazon Email.
Rank No. #9
Nozzle Ceramic Rings Dia. 28mm for Fiber Laser Cutting Head for Fiber Laser Cutting Head,Fiber Laser Head Ceramic Ring Dia 32mm,Fiber Laser Cutting Machine Head Nozzle Holder Parts (1 PCS) (28mm)
- Material: High Quality Ceramic,Can undertake 500-6000W laser power,Fit for fiber laser cutting machine.
- TypeA: Outside Diameter: 28/24.5mm, Thickness: 12mm
- TypeB: Outside Diameter: 32/28.5mm, Thickness: 12mm,thread:M14,fit for Raytools BT240,BMH109,BMH110,BMH111,BMH114 Fiber Laser Head
- Can undertake 0-4kw laser power. Good Conductivity,High Sensitivity.
- Mohs hardness: 9,Applications: Suit for Precitec WSX HSG Raytools Bodor etc. laser cutting head.
Rank No. #10
CO2 Laser Cutter Focus Focal Lens 10pcs 30x5mm Lens Original 4kw Laser Protective Windows 211LCG068 JGS1 1064nm Quartz Fused Silica P203160415 for Fiber (Color : 30X5(Original), Size : 10pcs (Hot Sa
- Features:Cu copper reflector mirror with good optics characteristics is widely used for CO2 laser engrave machine. Dielectric film reflector is a new total reflection mirror with the single crystal Si as substrate and coating dielectric. material on it to reflect CO2 laser beam .It has advantage of a high reflectivity .Light weight ,wipe-resistan and resistant to oxidation and etc.
- Superb Coating Process: Double-sided Solid Coating. Wiping Resistance. Long Working Life.
- High Precision Process: Excellent Substrate. Precision Slicing, Polishing, Grinding Processes. Adapt to higher operating temperatures.
- High Transmittance: High Quality Material and Exquisite Coating. Reduce the Loss of Laser. Higher Work Efficiency.
Last update on 2025-05-28 / Affiliate links / Images from Amazon Product Advertising API
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- Brand Value: Every brand of 4Kw Laser 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 4Kw Laser?
- Specifications: How powerful they are can be measured.
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- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 4Kw Laser.
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