SainSmart Genmitsu 4040 PRO CNC Machine 10% Off Deal
SainSmart just dropped the price on one of their most versatile desktop CNC machines. The SainSmart Genmitsu 4040 PRO CNC Milling Machine with 4 Axis and WiFi Module support is now $438.48, down from $487.20. That's 10% off a desktop CNC built for woodworking, metal, and acrylic cutting, with an upgraded lead screw drive and GRBL control. This post contains affiliate links, which means I may earn a small commission if you buy through them—at no extra cost to you. It helps keep the tool deals coming, so thanks for your support! Prices valid at time of posting but are subject to change at anytime.
Final Price Breakdown
Regular Price: $487.20
Sale Price: $438.48
You Save: $48.72 (10% off)
Expiration: Limited time only
Why This Tool Is Worth It
A desktop CNC opens up an entirely new category of work in the shop. Custom signs, inlays, brand plates, small parts, prototypes, jewelry, cribbage boards, model parts, engraved gifts, and short run production pieces all become possible without hand routing every detail. The 4040 PRO's work area is big enough to handle real projects while still fitting on a bench or in a small shop corner.
What makes this version stand out is the upgraded structure. The enhanced steel HSS frame uses 16mm steel HSS linear tubes, a lead screw motion drive, dual Y axis rails, and a full metal frame. That translates to better rigidity, tighter tolerances, and cleaner cuts in wood, acrylic, and light metals. The reinforced spoilboard with an integrated aluminum T track is another big upgrade. It prevents the MDF from sagging under load and gives you real clamping and fixture flexibility.
The electronics have been upgraded too. Open source GRBL v1.1 control, silent Toshiba TB6S109 drivers with 32 bit chips, and additional function ports for air assist and MPG make this machine quieter, smoother, and more capable than the previous generation. Add in 4 axis rotation module support for full 3D rotary carving and optional WiFi module compatibility, and you've got a desktop CNC that can grow with your projects instead of getting outgrown. 🖥️
Features
Supports addition of a 4 axis rotation module kit for carving from different angles or full 3D rotary carving with appropriate software
Enhanced steel HSS frame with high rigidity structure
16mm steel HSS linear tubes
Lead screw motion drive
Dual Y axis rails
Full metal frame for improved stability and precision
Powered by open source GRBL v1.1
Silent Toshiba TB6S109 drivers with 32 bit chips for smoother, quieter operation
Additional function ports including Air Assistance Pump Port and MPG Port
Compatible with updated motherboard for wireless module support and seamless wireless control
Reinforced spoilboard with central aluminum support bar to prevent MDF sagging
Integrated T slot for versatile clamping and fixture options
Includes 42mm and 52mm spindle mounts
Optional 65mm and 69mm spindle mounts available for purchase
Cuts wood, metal, and acrylic
Who This Is Best For
This CNC is a strong fit for hobbyist woodworkers, makers, Etsy sellers, and small shop owners who want to add CNC capability without the footprint or cost of a full size machine. It's also a solid pick for signmakers, engravers, prop builders, and anyone running a home based product line where custom cuts and repeatable parts drive the business.
It belongs in home shops, garage workshops, maker spaces, and small production setups where desktop size matters. Woodworkers looking to add inlay work, engraved cutting boards, or custom signs to their offerings will get real value out of it, and the 4 axis support means you can grow into rotary carving as your skills develop.
At 10% off, this is a strong window to jump into desktop CNC work or upgrade from an entry level machine.
Click Here to Grab the SainSmart Genmitsu 4040 PRO CNC at 10% Off
What's the first project you'd cut on this CNC? Drop a comment below and let us know.
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