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AtomStack C4 Pro CNC

Professional CNC power for every workshop

The AtomStack C4 Pro CNC router is a powerful, high-precision CNC machine designed to bring professional-grade performance to your workshop.

The AtomStack C4 Pro is your all-in-one solution for intricate carving, high-precision milling and rapid cutting on a wide range of materials. Whether you’re a seasoned pro or an ambitious hobbyist, this CNC router helps you perfect every project.

Close-up of an AtomStack C4 CNC spindle moving at speed carving an intricate pattern in wood.

2,000mm/
min

12,000rpm

30%

faster

than standard CNC machines

Piece of wood with two milled circles side by side. Each hole fits a ball bearing. Left it fits snugly, right there is some extra room left.

±0.1mm

positioning

accuracy

Frontal view of the AtomStack C4 CNC router where the spindle is moving very fast from left to right leaving a blurry trail behind showing the movement.

0.01mm

repeatability

200 W text in light grey with an AtomStack C4 CNC spindle positioned between 200 and W slightly covering the text.

Power that drives results

At the heart of the AtomStack C4 Pro CNC is a 200 W high-torque spindle running at speeds of up to 12,000 rpm. Combined with strong linear guides and hardened screws, the AtomStack C4 Pro delivers the speed, strength, and reliability you need for both prototyping and production.

Every detail perfectly milled

Built with industrial-grade linear rails and a double-nut screw drive system, this CNC machine achieves a repeatability of just 0.01 mm. No missed steps. No vibrations. Just consistent, professional results every time. From delicate metal stamps to complex 3D carvings, you’ll get a flawless finish across all projects.

AtomStack C4 CNC router seen at an angle. A piece of wood is being milled revealing an intricate pattern of swirls.

Smarter workflow, intuitive control

The AtomStack C4 Pro is designed to make CNC machining easier and more efficient.

Manual precision

The three hand wheel system gives you fine control over the X, Y, and Z axes with 0.1 mm step precision, allowing real-time adjustments without relying on your computer and working offline.

Eliminate guesswork

The exclusive 4-point centering system quickly locates the exact center of your workpieces, eliminating measurements and guesswork.

Wide material compatibility

Process a wide range of materials including wood, soft aluminum, MDF, paper, leather, cardboard, cork, fabric and soft metals.

Square piece of acrylic standing upright on a wooden table. It has a milled circle with a pattern and the head of Medusa at the centre.
Transparent acrylic
Wooden clockface milled from ebony wood.
Ebony
Close-up of a piece of beech wood and a routed scene from the last supper.
Beech
Square picture frame with a piece of aluminum with a milled eagled spreading its wings.
Aluminum
Two hands holding two milled brass stamps.
Brass
Rectangular piece of MDF with a milled design of a unicorn
MDF
Piece of jade with a routed design of a chinese dragon
Jade
Slab of shale with a milled design of the last supper
Shale
Piece of redwood with an intricate milled design of two peacocks on a branch
Redwood
Square piece of black walnut wood with a circular milled design of a lion s head
Black walnut

Works with your favorite software

The AtomStack C4 Pro integrates smoothly with popular CNC and laser software, including Candle, UGS (Universal G-Code Sender) and ioSender. Whatever your workflow, the AtomStack C4 Pro adapts to it.

Candle

Candle

UGS

UGS

ioSender

ioSender

Room to create

A generous 16.5 × 16.5 in (42 × 42 cm) work area and clearance for pieces up to 3.5 in (9 cm) high make this CNC machine versatile yet compact. From large-scale prototypes to multi-layer stacking and thick materials, the AtomStack C4 Pro CNC fits seamlessly into workshops and studios while offering the capacity for more ambitious projects or batch output.

Ready to run in 15 minutes

Forget long assembly times. The AtomStack C4 Pro is designed for makers who want to get started straight away. With a quick and simple setup process, you’ll be ready to cut in as little as 15 minutes so you can focus on creating, not tinkering.

Expand your AtomStack C4 Pro CNC

Accessories & add-ons

With a range of optional add-ons and accessories, you can extend the capabilities of your AtomStack C4 CNC Pro.

4-Axis Claw Roller

Unlock true 360° milling with the AtomStack 4-Axis Claw Roller. Designed for precision and versatility, it securely grips cylindrical objects for stable, accurate multi-angle milling. Take on 3D and irregular surfaces like a pro.

Learn more about the 4-Axis Claw Roller

500 W Spindle Kit

Upgrade your AtomStack C4 with the 500 W Spindle Kit for powerful, high-speed cutting and carving. Designed for precision and durability, it handles harder materials with ease, delivering smoother edges and faster, professional-grade CNC performance.

Learn more about the 500 W Spindle Kit

Double Vacuum Tube

Maintain a clean workspace with the dual-channel vacuum system. It efficiently removes chips and dust from both sides of the cutting path for sharper results and smoother operation while also extending your machine’s lifespan.

Learn more about the Double Vacuum Tube

Fixtures & Jigs

Increase precision and keep your items in place with the Fixtures & Jigs add-on.

Learn more about the fixtures & jigs

Close-up of a piece of metal being milled by the AtomStack C4 CNC router

AtomStack C4 Pro CNC specifications

Buy AtomStack C4 Pro CNC
Dimensions
24.8 × 16.6 in (63.1 × 42.3 cm)
Working area
16.5 × 16.5 in 42 × 42 cm
Max workpiece height
3.5 in (9 cm)
Spindle power
200 W
Spindle speed
Up to ~12,000 rpm
Max speed
~2,000 mm/min
Positioning accuracy
±0.1 mm
Repeatability
0.01 mm
Motion structures
Linear guides (MGH12, etc.), double nut screws T8/T12 on relevant axes 
Supported software
Candle, UGS, ioSender, etc