ATOMSTACK A20 Pro Laser Engraver affordable
ATOMSTACK A20 Pro Laser Engraver
ATOMSTACK A20 Pro Laser Engraver
ATOMSTACK A20 Pro Laser Engraver

【Refurbished】ATOMSTACK A20 Pro Laser Engraver 130W Engraving Cutting Machine with F30 Air Assist Kit

$369.00 USD
$1,099.00 USD
  What is the refurbished machines and accessories?A refurbished machine or accessory will be assembled and installed by different parts...
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Complete Your Creative Journey:

Creatorally selected honeycomb working panel for laser engravers
4pcs Birch Plywood 1/8" x 11.8" x 8.46"



Authorized Certifications


What is the refurbished machines and accessories?

A refurbished machine or accessory will be assembled and installed by different parts from different machines and accessories. If the parts used to assemble are from different colored machines and accessories, the refurbished one may look in many colors. But we could assure you that all refurbished products work as perfectly as the new one.


If you place an order with refurbished machines or accessories, that means you accept the above facts, we won't accept the request of refund and return by above reasons.

Note: Refurbished products aren't allowed to be returned and exchanged.


Product model ATOMSTACK A20 PRO 
Engraving size 400*400mm/15.75*15.75" 
Engraving material wood, bamboo, cardboard, plastic, leather, PCB board, alumina, non-reflective plated and lacquered metal, 304 mirror stainless steel, glass, ceramic, cotton cloth, slate
Cutting material cardboard, non-woven fabric, wood board, acrylic, some thin plastic sheets, sponge
Whole machine power 130W
Machine power 90W
Laser output optical power 20-21W
Laser wavelength 455±5nm
Engraving accuracy 0.01mm
Focusing method Fixed-focus laser, no focusing
Laser protective cover There is a protective cover on the laser to protect the user's eyes, and there is no need to wear additional protective glasses. At the same time prevent pets from scratching the laser spot.
Operating software LaserGRBL, LightBurn, support for Win XP/Win 7/Win 8/XP/Win 10 system
Supported file formats NC, BMP, JPG, PNG, DXF 
Data transfer method USB connection
Power supply International standard power input: 100-240V AC, 50/60Hz output: 12V 5A
Certification CE, FCC, RoHS, FDA, PSE
Single package size 560*520*165mm/22.05*20.47*6.5" 
Single equipment net weight  7.22kg
Single equipment package gross weight 9.92kg  


1. Ultra-high power: the world's first 20W Pro optical power laser engraving machine. The latest four 6W laser coupling technology, powerful, can cut 10mm paulownia wood board, 8mm black acrylic board at one time, and even cut 0.05mm stainless steel sheet. 
2. The product is equipped with the F30 Pro upgraded air kit as standard: the cutting ability has been greatly improved, and the cutting accuracy and cutting quality can also be greatly optimized.
3. The newly upgraded Atomstack self-developed 32-bit motherboard: built-in 256-bit color scale map, making the engraving work finer and higher contrast, so that your engraving is not only black.
4. Newly designed laser: Tired of fixed focus film? Do you think air assist is not beautiful enough? Now, the new A20 Pro laser has a built-in tool-free focusing module and a built-in air-assist system, which is simple and beautiful without the interference of wires. 
5. Atomstack's self-developed mobile phone APP: Atomstack's self-developed mobile phone APP is now online in major for Android application markets and for Apple APP store (you can also scan the QR code of the manual to download), small size and multi-function, bringing a new control experience, come and try it. 
6. New filter panorama glass eye protection design: The panoramic filter glass protective cover is very good for your eyes, filtering 97% of UV light, you and the people around you can watch the laser engraving without wearing goggles. Reduce your goggle expense and the inconvenience of wearing goggles.
7. Sturdy and easy-to-install structure design: The all-aluminum anodized structure design makes the machine more durable and improves the accuracy of engraving. The whole structure is designed for quick installation, and it can be installed in 20-30 minutes generally. 
8. Upgraded high-performance fixed-focus laser: engraving without focal length adjustment; the focus spot area of the new laser is only 1/3 of the spot area of other ordinary lasers, which can take into account precision engraving and high-energy cutting at the same time. At the same time, the laser power of the fixed-focus laser is more stable than that of the zoom laser. 
9. Extensive compatibility: The machine is compatible with various mature engraving software, such as LaserGRBL, LightBurn, supports for Win XP / Win 7 / Win 8 / XP / Win 10, also supports for MAC system (LightBurn), engraving file format supports for NC, BMP, JPG, PNG, DXF, etc. 
10. Precision scale line axis: There are precision scale lines on the X axis and Y axis, which is convenient for you to measure the length quickly. The 400x400mm large-area engraving range can meet your various engraving needs. 
11. Upgraded dual-compression spot coupling technology: the ultra-fine laser focus area is reduced to 0.08*0.1mm, the high-density laser can easily cut 20mm thick black acrylic; it can directly engrave mirror stainless steel metal, ceramics, glass, engraving and cutting speed is 40% higher than the ordinary model, which is comparable to the effect of the 300W CO2 laser engraving machine.
12. Integral lead screw: The machine uses an integrated lead screw instead of a combined coupling. The stepping motor and the lead screw are integrated, which makes the movement of the laser more accurate and the coupling more durable. 
13. New laser with knob: It is more convenient and quick to adjust the height of the laser. 
14. Support offline engraving: ATOMSTACK A20 PRO is equipped with terminal control panel, supports offline engraving, you can carry out engraving operations anytime and anywhere without being restricted by the computer.
15. Laser sintering temperature up to 2400℃.
16. Emergency stop button: If there is an accident, stop the machine at any time, and the carving is safer.
17. Limiter: Yes.
18. Reset switch: Yes.
19. Expandable engraving size: the modular design of the body mechanism, only need to replace the frame components, you can get 410*850mm/16.14*33.46" large engraving size.


Package List:

1 x Card Reader
1 x TF card
1 x Power adapter
1 x Data cable
1 x Touch screen assembly
1 x HDMI cable
1 x Laser module  
1 x X-axis assembly
1 x Y-axis left profile
1 x Y-axis right profile
1 x Profile on base 
1 x Profile under base 
3 x Foot stand      
1 x F30 Pro air assist kit 


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