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⚡ Cut smarter, not harder — the Ultra-Saw that means business!
The Dremel US40 Ultra-Saw is a compact, corded mini circular saw kit powered by a robust 7.5 Amp brushless motor. Designed for precision plunge, flush, and surface cuts, it features an adjustable depth guide up to ¾ inch and comes with three carbide cutting wheels for wood and metal. Its integrated soft start enhances control, while the lightweight 4.6-pound build and auxiliary handle provide ergonomic handling. Ideal for DIYers and professionals tackling diverse materials, this versatile tool combines power, precision, and convenience in one compact package.


























| ASIN | B08LZZDQD3 |
| Best Sellers Rank | #92,877 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #13 in Power Metal-Cutting & Chop Saws |
| Blade Length | 4 inches |
| Blade Material | Carbide |
| Blade Shape | Rectangular |
| Brand | Dremel |
| Brand Name | Dremel |
| Color | No Color |
| Customer Reviews | 4.6 out of 5 stars 709 Reviews |
| Handle Material | Metal |
| Included Components | US40 120V Ultra-Saw Tool, 3 Cutting Wheels, 1 Attachment, Hex Key for accessory changes |
| Item Dimensions L x W x H | 13"L x 5"W x 5"H |
| Item Type Name | Corded Compact Saw Tool Kit |
| Item Weight | 4.6 pounds |
| Manufacturer | Dremel |
| Manufacturer Part Number | US40-04 |
| Manufacturer Warranty Description | 2 year |
| Model Number | US40-04 |
| Number of Items | 1 |
| Other Special Features of the Product | Brushless |
| Power Source | Corded Electric |
| Special Feature | Brushless |
| Speed | 13000 rpm |
| Surface Recommendation | Plastic |
| UPC | 080596058340 |
| Unit Count | 1 Count |
| Voltage | 120 volts |
| Warranty Type | Limited |
| Wattage | 900 watts |
A**R
Recommended if you need a small saw for occasional use
The ultra-saw worked great cutting down some HDPE sheets for a project I'm working on. I wanted a compact saw for this and other small jobs and didn't want to chance gumming up blades on my table saw. The stock wood blade worked great and the saw never bogged down or got stuck. I appreciate not having to worry about batteries going bad or having to get a different charger for the Ryobi or DeWalt versions, which makes this a convenient way to add versatility to your workshop while saving a bit of money and space, as long as you have an outlet nearby. Ergonomics are fine, and the paddle switch is easy. It's probably too small for cutting dimensional lumber with any regularity, but I have other tools for that.
V**T
Don't need a man to use this saw!
OK ~ I am a widow so I have no one to do the "honey do's". I needed a saw for my craft projects and I found this one. It's PERFECT for me! It's not too heavy, cuts quickly, quality is excellent and passed the 'use test' with my daughter's boyfriend who has a plethora of tools. It's not too big, so storage is easy. This was a great buy!
R**P
Effective
Excellent small hand tool for small jobs. Easy to use & very effective.
M**.
One of the best tools on my hobby bench
Wow.. this one of the best tool buying decisions that I have made in quite sometime. It works and plays the way one would hope. Works as described and as desired.
E**7
Decent tool for what it is, bummer there was not case or storage.
Works well. Used to undercut baseboard for hardwood floors. Will leave a 3/16" gap at bottom of cut which is too much for most applications to look decent. Ended up planning a board down to get the fit just right. Overall cut was smooth and quick. Saw performed well and didn't seem to bog down much when getting pinched (was only cutting pine trim) Way better quality than using the oscillating tool around the whole perimeter. Took a 4 hour job down to a couple minutes once I had the unit dialed in to get the perfect 3/4" gap by fussing with the mentioned planed piece. The above was the main reason to purchase without having to drop $450 on a jamb saw. Outside of the ability to flush cut I honestly cannot see myself using this before other saw(s) or an angle grinder, but who knows. Might come in handy. Not coming with a case was worth docking a star. Not going to be any real workhorse for the carpenter or serious DIY'er, but might serve some functions every once in a while. If you have 0 experience and want something to cut something as a home owner, this might be the place to start.
E**B
Used to install doggie door
This is a high quality item, especially for the price. Made of sturdy metal and included a blade that came pretty close to being completely flush. I used this to expand the hole size in a wall for a larger dog door to replace an old one. The portion of wall was comprised of 2 layers of plywood, each 1/2 inch thick and I used it for plunge cuts. I also used it to trim some boards used for framing, again each 1/2 an inch. I haven’t used a circular saw for several decades but this was very intuitive, easy to control and made clean, straight cuts very easily. Highly recommend!
C**M
Very satisified with tool
Very satisfied with tool. Dremel seem to last for ages. The metal blade cut bolts, and the wood blade does a nice job of small cutting jobs when too lazy to get another power tool. You might want to consider battery powered unless specifically planning on using tool only on work bench. I find it so handy of various projects that I regret not getting battery powered.
T**L
Great product
Dremel always a good product
N**S
Genial
Muy bueno y estupenda marca
A**R
Bad
Bad
P**R
Great Mini Saw - Every DIYer Should Have One
Great tool - this is my second purchase as my son took my first unit. Cuts just about everything - I use it mostly for cutting plywood, drywall and flooring. Best tool for square precision cutouts for switches, air vents etc. I also use it to cut full sheets, but you have to manage the added dust when cutting drywall vs. a manual blade. I haven't tried tile, but I just purchased the diamond blade. Don't let some of the reviews fool you - per the manual the "Max. cutting depth (is) 3/4 inches", so the saw doesn't work on 5/4" or 2" decking as some might have you believe. Price for this product seems to be the same everywhere, but I found the prices of blades to be lower on Amazon. I always go with corded power tools, as there are plenty of portable tools without lithium batteries in pawn shops everywhere for good reason - i.e., the lithium batteries don't last.
L**O
Justo lo que esperaba una gran máquina
Dremel no podía fallar
J**N
Awesome
Great product and works amazingly
Trustpilot
3 weeks ago
4 days ago