Early Bird Deal Ends Soon!
ToAuto 6"/8" Smart Lapidary Saw for Gemstone and Rock Cutting
Shipping calculated at checkout
Description
The World's First Industrial-Grade Desktop Smart Cutting Machine.
- Smoother, Cleaner Cuts
- Fine-Tune Every Material
- Cut With Confidence
- Solid For Real Work
- Cleaner, Quieter Workspace
Product Details
Product Dimensions: 442 × 431 × 296 mm
Net Weight: 20 kg
Rated Voltage: 110V
Rated Frequency: 60Hz
Rated Power: 0.4 kW (0.54 HP)
Rated Speed: 3500 RPM
Connection Type: Wired
Type-C Ports: 2 × USB Type-C Ports
Key future
0.1mm Precision Control：Delivering accurate and consistent performance for detailed work.
Custom High-Speed Brushless Motor：Adjustable speed from 0–5000 RPM for smooth and efficient operation.
4" Smart LCD Interface：Easy-to-use digital control system with real-time monitoring.
Multiple Safety Protections：Designed with built-in safety features for stable and reliable use.
The World's First Industrial-Grade Desktop Smart Cutting Machine
Industrial Precision, Right on Your Desktop
Quick Drainage, Less Cleanup
Built-in Drain valve with hose connection makes water removal quick
and effortless, helping reduce clean up time with less hassle.
Clear View, Precise Control
Multiple transparent guards provide a clear cutting view while helping control splash and debris.
Precision Speed Control for Every Cut
Standard Mode -200 RPM steps, for fast cutting.
Fine Mode -50 RPM steps, for delicate gemstones.
Cut Materials from Mohs 1-9
From softer minerals to harder gemstones.
Smart Control and Safe for Every Cut
Emergency Quick-Stop
Instant shutdown when needed.
Hydraulic Breaker
Protection against overload and short circuits.
Unique Protection Cover
Anti-water, dust with adjustable illumination.
Optional Matching Vises
No wiggly loose parts.
More considerations
Dual Adjustable Vises with Linear Guide Rail
Engineered for Stable Positioning & Repeatable Precision.
Choose Your Cutting Capacity
Choose the size based on the materials you usually cut.
Specifications
What‘s include...
Proven by Makers, Shaped by the Community
Tested by a Geologist
San Diego Mineral & Gem Society
Tucson: The Biggest Stage in Gems
40+ Makers, Zero Scripts
Hear It From Pros
FAQS
Shipping and Orders
When will the order ship?
We will arrange for the warehouse to ship your order within 48 hours of receiving your payment and will deliver it to you as soon as possible.
Which countries/regions do you ship to? How are shipping costs calculated?
This pre-order is limited to the United States. You can view the shipping policy and costs here: Shipping Policy.
Usage and Compatibility
What can I cut with this saw?
Anything between Mohs 1 and 9 — which covers the vast majority of what lapidary artists work with:
- Everyday materials: agate, jasper, quartz, chalcedony, turquoise, lapis lazuli, obsidian, aventurine
- Harder stones: jade, jadeite, ruby and sapphire (corundum), garnet
- Also works on: glass, ceramics, shell, bone
What this saw isn't built for: Extra-large stone blocks (it is recommended to use a large slab saw for initial cutting before precision processing).
What is the cutting precision?
The precision of the ToAuto cold-cutting saw stems from several key design features:
- 0.1mm spindle precision (spindle extension/rotor precision reaches 0.01mm): Minimizes saw blade wobble, ensuring a smooth, perpendicular cut surface.
- Thickened 304 stainless steel tabletop: 4mm thick, resistant to deformation and shifting.
- 160mm precision-engraved scale: Features a center-symmetrical scale design for accurate guidance, eliminating the need for repeated calibration.
How big a rock can it actually cut?
Good question — and the spec-sheet numbers undersell it. Blade exposure works as a cutting radius, so what you can cut depends on how you cut it:
- Straight push cut (stone slabs & flat stones): single-pass depth equals blade exposure — G6 Pro: 33 mm (1.3"), G8 Max: 60 mm (2.36"). Plenty for cab pre-forms, pendants, and everyday stone slabs.
- Roll-cut (nodules & rounded river rocks): the classic trim-saw technique — you rotate the rock as you cut so the blade reaches in from every side. The exposure becomes your cutting radius, which doubles the effective diameter: the G6 rolls through round rocks up to about 66 mm (2.6"), the G8 up to about 120 mm (4.7"). Agate nodules, river rocks, geode halves — just roll them through. Cuts near the max diameter take a little patience, not a bigger saw.
- Long, thin stones: cut length isn't limited by the machine. A thin stone slab feeds straight through and overhangs the far side of the table, so you can cut slabs well longer than the saw itself — as long as thickness stays within the depth above. Your width envelope is the blade opening at table level: 130 mm (5.1") on the G6, 188 mm (7.4") on the G8; the thinner the stone, the closer you can work to that full width.
Heads up if you use the precision vise ($179, sold separately):The vise holds your rock steady but reduces effective cutting depth — G6 drops to under 10 mm (0.39"), G8 drops to under 20 mm (0.79"). Great for repetitive precision cuts, but not the right setup for deep cuts on thick stone.
Rule of thumb: round rocks up to a tennis ball, the G6 handles them all day. Bigger than a softball — or you're slicing thick stone slabs daily — step up to the G8.
Is draining easy? Is cleaning a hassle?
Unlike traditional wet-cutting systems, which typically require manually lifting and emptying the slurry, the ToAuto is equipped with a drain valve and hose connection for quick, controlled drainage. This reduces the time spent cleaning up slurry, allowing you to focus more on your next project.
Attentive customers will notice that our drain outlet is positioned slightly above the bottom of the tank—a design inspired by feedback from experienced gemstone cutters.
During wet cutting, the real issue isn’t the water itself, but rather:
- Stone slurry
- Abrasive particles
- Fine dust generated by blade wear
All of these settle at the bottom.
If the drain outlet were positioned at the very bottom:
Every time you drain the tank, a large amount of sediment would be flushed into the drain hose, which could easily lead to:
- Hose clogs
- Slow drainage
- Difficulty cleaning the hose
However, positioning the drain slightly above the bottom creates a sediment zone:
- The relatively clean water on top drains out first;
- Heavier particles remain at the bottom;
- Users can then easily remove the sediment with a towel or brush.
What is the voltage?
120V
Is an air compressor or water circulation system required?
No air compressor is needed.
ToAuto features a built-in gravity-fed liquid cooling system, so there is no need to connect to a tap. You simply fill the reservoir with water; once powered on, the system automatically circulates water to cool the blade.
The key advantage of the gravity-fed design is that it utilizes gravity and potential energy difference to prevent backflow, effectively eliminating the risk of coolant leakage caused by backflow at the source.
What is the difference between the smart cutting machine for gemstones and the one for metal? Which one should I buy?
The gemstone cutting machine is suitable for gemstones, minerals, and creative materials.
The metal cutting machine is suitable for high-performance alloys and metal projects, designed for creators and professionals alike.
Who is this gemstone cutting machine for? Can beginners use it?
It is suitable for home studios, creators, jewelry making, lapidary work, and small-scale metal projects. The ToAuto smart cutting machine is simple and easy to use, making it suitable for beginners.
Product Design and Technology
What kind of motor/spindle is used, and what is its power rating?
ToAuto currently uses a brushless motor. The radial runout accuracy of the spindle (the amount of lateral wobble during rotation) is 0.1 mm, while the precision of the extended rotor reaches 0.01 mm.
It features a rated power of 400 W, a maximum speed of 5,000 rpm, and a torque of 1.1 N·m.
This power configuration is specifically designed for precision cutting at the desktop level; it is not intended for aggressive, heavy-duty stock reduction, but rather for delivering stable, precise, and low-vibration power during fine cutting operations.
If you need to process large raw blocks exceeding ten centimeters in size, we recommend using a large slab saw for the initial rough cutting and the ToAuto unit for precision slicing.
What is the machine body made of? Is it stable?
The overall construction features a 304 stainless steel work surface, a galvanized steel body, and integrated injection-molded structural components.
It is very stable.
Key design features include:
- Machine weight: A net weight of 20 kg; the mass effectively dampens vibration.
- Thickened stainless steel work surface: 4mm-thick 304 stainless steel that resists deformation.
- Integrated injection-molded structural components: Internal structural parts are molded as single units, eliminating looseness associated with assembled joints.
- Compartmentalized structure: Separate compartments for the motor and the cutting mechanism prevent vibration interference between them.
- Gravity-feed container design: Enhances overall assembly precision.
How loud is the noise? Will it be noisy for home use?
The ToAuto smart cutting machine operates within a noise range of 40–60 dB; it is perfectly suitable for indoor use and is not noisy.
Are there safety features?
Yes. The ToAuto smart cutting machine is equipped with an emergency stop button, allowing for immediate shutdown when necessary.
After-Sales & Warranty
What is the warranty period and coverage?
- Complete unit: 12-month warranty
- Motor: 6-month warranty
- Precision fixture (purchased separately): 6-month warranty
The warranty covers manufacturing defects and workmanship issues. Damage caused by human error, improper use, or normal wear and tear is not covered.
How do I fix it if it breaks? Are spare parts available for purchase?
Under normal use, we will provide repair or replacement services for any defects in materials or workmanship during the warranty period.
Upon receipt of the returned product, we will inspect and repair it, completing the process within 90 working days. Please contact customer service at support@toautotoolglobal.com before returning any product.
A valid warranty card is required for repairs.
Are there usage tutorials or community support?
We provide support via official social media channels. Click here to get support: Reddit.
ToAuto 6" Wet Rock Saw is built purely for making clean, straight cuts through rough pieces, handling everything from soft opal to super hard raw rubies that hit a 9 on the Mohs scale. Different stones require different care, and that’s where the digital control screen really helps out. You can dial in the exact speed to match whatever you’re working on—slowing it down for delicate gems or adjusting for tough quartz and agate—so you don't ruin your raw material. The motor runs quiet and steady without shaking all over the workbench, giving you great control over every slice. It comes with all the tubing and side attachments to set up your clean water and drainage into separate buckets, which keeps dust out of the air and keeps the diamond blades from overheating. The splash guard keeps you dry while giving you a clear view of your line, and having everything included right out of the box makes slabbing down your raw stones so much easier.
I Ordered the Heavy Duty ToAuto 1/2HP 6" LCD Smart Controller & Lapidary Saw to Teach the Grandchildren How to Process Rocks & Geodes that We Have Collected on Our Various Outings Over the Years. I Have Used Many Lapidary Saws Over the Years, I Really Enjoy Working with the ToAuto Heavy Duty 6" Smart Lapidary Saw.The ToAuto 6" Smart Lapidary Saw Package Includes Everything We Needed to Get Started, Included the 6" Diamond Blades & PPE. The Smart Lapidary Saw is Controlled by a LCD that is Easy to Use & Very Reliable.Honestly The Whole 6" Smart Lapidary Saw is Reliable & Very Easy to Use. The Quiet 1/2 Horse Power Motor, Large Diameter Arbor, 6" Blades, & The Closed Loop Water System are Very Durable & Reliable.The Water System Cools the Workpiece & Eliminates any Harmful Dust or Foreign Matter in the Air, The Six Inch Diamond Blade System Has a Water Retention Device Over It that Funnels the Water over the Workpiece & Back to the Water Reservoir - A Huge Improvement Over Vintage Lapidary Saws That I Have Used.I Couldn't Be Happier with The ToAuto 6" Smart Lapidary Saw Set. I Gave the ToAuto 1/2HP 6" LCD Smart Controller & Lapidary Saw a Full Five Star Rating Across the Board. The ToAuto 6" Smart Lapidary Saw is Durable, Easy to Use, Very Reliable, & Produces Professional Results, The Instructions are Accurate & Easy to Understand.
The speed control is so responsive. I dropped from 3500 to 2000 RPM when switching between different stones, and the difference was immediate. Way better than old-school knob controls.
I'm absolutely loving this saw. So easy to set up and using it is completely intuitive. the splash guards and a great addition and the adjustable speed is easy to use. Ive been cutting jasper and agate and had no problems with binding up or shatter. I recommend this saw to anyone.
This is a very nice rock saw. I got this thinking it would cut tile. Since I'm about to redo my bathroom, it seemed like a great product. Super accurate, automatically controls its own water, variable speed motor.... it had all of the stuff all the high end tile saws have! And yet, this isn't really for that. It's to cut gemstones, geodes, and rocks. And it does a great job at those things, I might add. I cut three rocks from the backyard and it didn't even slow down. The water jet thing does make a bit of a mess, but I suppose that's to be expected. It's also fairly noisy, but again, that's to be expected when you're using metal to cut rock. The power cable is slightly shorter than I'd like, but maybe if I had a studio where I had this, I'd have special outlets everywhere. Assembly wasn't terribly difficult, though I had to read the directions a few times. The unit is quite heavy, so I'm assuming I won't be carrying this around town to cut rocks with friends all over. All in all, this is a really nice saw and I'm glad to have it. But the price seemed very steep to me. That's the only real negative I have about it. Otherwise, it really is a great tool.
Due to the cost of this item I figured a more in-depth review would be needed. I used the 8” Smart Lapidary Saw for two solid weeks cutting a mix of agate, jasper, quartz, a couple of small geodes, and some glass, and here’s my honest take.Pros:The adjustable speed (0–5000 RPM) with the LCD controller is genuinely useful. Being able to dial it down for brittle material or up for harder stone makes a real difference compared to fixed speed saws. The enclosed water system keeps the mess contained way better than open trim saws I’ve used, splash is minimal and cleanup is faster. The 1/2 HP motor has enough power for an 8” blade on most hobby sized rocks without bogging down when you feed steadily. The included diamond blade cut cleanly right out of the box, and the overall build feels more modern and controlled than basic entry level saws. For someone doing cabbing prep or smaller slabs at home, the combination of speed control and reduced mess is a nice step up.Cons:It’s still a desktop/trim saw, so depth of cut is limited (roughly 2–2.5 inches depending on the rock). Pushing larger pieces or trying to rush the cut can make the blade wander or the motor work harder than ideal. The smart controls and LCD are convenient, but the learning curve for finding the sweet spot RPM and feed rate takes a few sessions. Water management is better than open saws but not perfect; you still need to monitor the reservoir and clean the slurry regularly. At higher speeds the noise picks up, and long sessions require attention to keep everything running smoothly. Blade replacement options also appear limited right now since this came out of Kickstarter/early production; standard off-the-shelf 8” blades may not be a direct fit, so you’re more dependent on the manufacturer for spares. It’s not a production machine either, best for occasional to moderate use.Overall, after two weeks I’m happy with it for home lapidary work. It delivers good control and cleaner operation than cheaper alternatives, but it has the usual limitations of a compact 8” saw plus the early product constraints on parts availability. If you’re a beginner or hobbyist working with smaller specimens, it’s a solid, feature rich option. If you need to slab big rocks regularly or want easy access to replacement blades, you may want to wait or look at more established brands.
I have only given this 8 inch lapidary saw an initial inspection and brief try, but the first impression is positive. The machine feels reasonably substantial, and the enclosed design gives it a more complete, purpose built feel than a very basic open rock saw.The adjustable speed control is straightforward to use, and the LCD makes it easy to see the selected setting. The enclosed water system is also a practical feature for this type of cutting since it helps keep the working area more contained.The included diamond blade and overall setup make it feel ready for typical rock, geode, crystal, or glass cutting without needing a lot of additional pieces before getting started. I have not tested it enough to judge cutting speed, blade life, or performance on harder materials, but based on the construction and initial operation, it seems like a good machine so far.
Cleanup takes literally 30 seconds. Open the drain, rinse, done. After a long cutting session, I don't have to tip the whole machine over to get the water out.
Cut through Mohs 7 agate like it was butter. I was honestly surprised by how clean the cut came out. After cutting 15+ pieces in a row, there was no overheating. My old saw would shut down after 30 minutes.
