Lightweight
Lightweight easy to use milwaukee quality and power
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Milwaukee M18 FCOS230-0 18V FUEL ONE-KEY Brushless Cut Off Saw - Body
The Milwaukee M18 FCOS230 18V FUEL ONE-KEY Brushless Cut Off Saw from ITS is a game-changer in portable cutting, delivering unmatched power, portability and professional performance in a lightweight cordless design.
Built as the world’s first 18 V battery-powered cut-off saw with a 230 mm cutting wheel, this tool gives you the muscle to slice through tough reinforced concrete, brick, metal and masonry materials while being up to 50 % lighter than comparable petrol-powered saws, making it easier to transport and use across jobsites without fatigue.
Thanks to its advanced POWERSTATE brushless motor and REDLINK PLUS electronics, the saw starts instantly with zero fumes and no petrol or oil mixing, so you can work both outdoors and indoors safely and comfortably.
With an 85 mm cutting depth and a standard 230 mm diamond blade included, it handles large-format cutting tasks confidently, whether you’re cutting expansion joints, trenching slabs or trimming pipework.
Milwaukee also prioritises safety and user control, integrating the RAPIDSTOP blade brake to halt the wheel swiftly when the trigger is released, and a load indicator light that keeps you informed of performance status during demanding work.
The saw operates with impressively low vibrations (around 1.81 m/s²), reducing strain on your body throughout long shifts. A dual-sided water supply helps manage dust at the cut line for clearer vision and a cleaner work area, and tool compatibility with the M18™ SWITCH TANK interchangeable sprayer and water system further elevates dust management solutions on site.
For modern jobsite management, this Milwaukee cut-off saw features ONE-KEY tool tracking and security, giving you cloud-based tracking, inventory insights and even remote locking for added peace of mind against loss or theft.
The Cut Off Saw includes three of Milwaukee’s exclusive technologies all for your benefit. The POWERSTATE Brushless motor helps maintaining the tool and ensures a longer operational life; the REDLITHIUM Battery packs which provide exceptional power for longer; and the REDLINK PLUS overload protection – maximising the power you need when you need it.
At the heart of the machine is the brushless motor that allows you to use the tool efficiently. As part of the design, the tool utilizes every bit of battery power when you need, all while reducing the need for ongoing maintenance by reducing the amount of heat generated and working more efficiently.
The technology in creating a brushless motor system allows for perfect symmetry between battery power and usage ensuring you get all the power you need, when you need it.
Whether you’re a construction pro tackling heavy cutting tasks, a fabricator needing reliable performance or a contractor aiming for precision and control, the Milwaukee M18 FUEL Cut-Off Saw brings cordless convenience, Class-leading power and site-ready features together in one robust package trusted by professionals.
| Voltage | 18V |
| Battery Type | Lithium-Ion |
| Number of Batteries | 0 |
| Charger Included? | No |
| Battery Compatibility | Milwaukee 18V Li-ion |
| Includes Case | No |
| Brushless Motor | Yes |
| Blade Diameter | 230mm |
| No Load Speed (RPM) | 6600 |
| Maximum Depth Of Cut | 86mm |
| Power Supply | Cordless |
| Buying Option | Body Only |
| Pack Size | 1 |
| Product Weight | 5.9kg |

The warranty period is 12 months and commences on the date when the product was purchased. This date must be documented by an invoice or other proof of purchase. The warranty period is one year minimum for products, and one year maximum for batteries and chargers. This warranty applies only on new products.
In addition to any statutory rights resulting from the purchase of a new product, all MILWAUKEE branded power tools, outdoor tools and batteries are covered by a voluntary guarantee granted by the manufacturer
The MILWAUKEE Guarantee(s) are only applicable to purchaser(s) who purchase the products as end users ("Purchaser").
Most Milwaukee products can be registered for a 3-year warranty. The products EXCLUDED from the 3-year warranty are: Rechargeable battery packs, battery chargers, and accessories.
You must register your tool within 30 days of purchase. You can register your tools here:https://extension.milwaukeetool.eu/index.htm
Milwaukee M18 is focused on improving productivity for professionals in the trades. They offer more than 215 performance-driven solutions that are fully compatible with the M18™ family - the fastest growing 18V cordless system on the market. The M18 cordless system represents the perfect combination of pro power, weight, performance and superior ergonomics.
SHOP THE M18 RANGEThe Milwaukee FUEL range is unique compared to standard Milwaukee tools as it features much more powerful POWERSTATE brushless motors, than your standard brushless tools. According to Milwaukee, FUEL is 4 times as powerful! The POWERSTATE brushless motor delivers more application speed, torque and durability in a more compact form. It also produces less noise and cools down quicker to deliver years of maintenance free performance.
SHOP THE FUEL RANGEThe Milwaukee ONE-KEY™ tool inventory system puts time back in your day, so you can focus on the job at hand. It creates a central hub from where you can track all your equipment across all of your jobs. The clever tool inventory software enables you to streamline your processes with one digital catalogue that your team can access from anywhere, including Bluetooth® tracking, barcode scanning, geofencing and anti-theft tools.
SHOP THE ONE-KEY RANGEAt the heart of this machine is the brushless motor that allows you to use the tool efficiently. As part of its design, the tool utilises every bit of battery power, all while reducing the need for ongoing maintenance and the amount of heat generated to work more effectively. The perfect symmetry between battery power and usage ensuring you get all the power you need, when you need it.
Description
The Milwaukee M18 FCOS230 18V FUEL ONE-KEY Brushless Cut Off Saw from ITS is a game-changer in portable cutting, delivering unmatched power, portability and professional performance in a lightweight cordless design.
Built as the world’s first 18 V battery-powered cut-off saw with a 230 mm cutting wheel, this tool gives you the muscle to slice through tough reinforced concrete, brick, metal and masonry materials while being up to 50 % lighter than comparable petrol-powered saws, making it easier to transport and use across jobsites without fatigue.
Thanks to its advanced POWERSTATE brushless motor and REDLINK PLUS electronics, the saw starts instantly with zero fumes and no petrol or oil mixing, so you can work both outdoors and indoors safely and comfortably.
With an 85 mm cutting depth and a standard 230 mm diamond blade included, it handles large-format cutting tasks confidently, whether you’re cutting expansion joints, trenching slabs or trimming pipework.
Milwaukee also prioritises safety and user control, integrating the RAPIDSTOP blade brake to halt the wheel swiftly when the trigger is released, and a load indicator light that keeps you informed of performance status during demanding work.
The saw operates with impressively low vibrations (around 1.81 m/s²), reducing strain on your body throughout long shifts. A dual-sided water supply helps manage dust at the cut line for clearer vision and a cleaner work area, and tool compatibility with the M18™ SWITCH TANK interchangeable sprayer and water system further elevates dust management solutions on site.
For modern jobsite management, this Milwaukee cut-off saw features ONE-KEY tool tracking and security, giving you cloud-based tracking, inventory insights and even remote locking for added peace of mind against loss or theft.
The Cut Off Saw includes three of Milwaukee’s exclusive technologies all for your benefit. The POWERSTATE Brushless motor helps maintaining the tool and ensures a longer operational life; the REDLITHIUM Battery packs which provide exceptional power for longer; and the REDLINK PLUS overload protection – maximising the power you need when you need it.
At the heart of the machine is the brushless motor that allows you to use the tool efficiently. As part of the design, the tool utilizes every bit of battery power when you need, all while reducing the need for ongoing maintenance by reducing the amount of heat generated and working more efficiently.
The technology in creating a brushless motor system allows for perfect symmetry between battery power and usage ensuring you get all the power you need, when you need it.
Whether you’re a construction pro tackling heavy cutting tasks, a fabricator needing reliable performance or a contractor aiming for precision and control, the Milwaukee M18 FUEL Cut-Off Saw brings cordless convenience, Class-leading power and site-ready features together in one robust package trusted by professionals.
Features We Love
Milwaukee M18 is focused on improving productivity for professionals in the trades. They offer more than 215 performance-driven solutions that are fully compatible with the M18™ family - the fastest growing 18V cordless system on the market. The M18 cordless system represents the perfect combination of pro power, weight, performance and superior ergonomics.
SHOP THE M18 RANGEThe Milwaukee FUEL range is unique compared to standard Milwaukee tools as it features much more powerful POWERSTATE brushless motors, than your standard brushless tools. According to Milwaukee, FUEL is 4 times as powerful! The POWERSTATE brushless motor delivers more application speed, torque and durability in a more compact form. It also produces less noise and cools down quicker to deliver years of maintenance free performance.
SHOP THE FUEL RANGEThe Milwaukee ONE-KEY™ tool inventory system puts time back in your day, so you can focus on the job at hand. It creates a central hub from where you can track all your equipment across all of your jobs. The clever tool inventory software enables you to streamline your processes with one digital catalogue that your team can access from anywhere, including Bluetooth® tracking, barcode scanning, geofencing and anti-theft tools.
SHOP THE ONE-KEY RANGEAt the heart of this machine is the brushless motor that allows you to use the tool efficiently. As part of its design, the tool utilises every bit of battery power, all while reducing the need for ongoing maintenance and the amount of heat generated to work more effectively. The perfect symmetry between battery power and usage ensuring you get all the power you need, when you need it.
Specification
Warranty Information

The warranty period is 12 months and commences on the date when the product was purchased. This date must be documented by an invoice or other proof of purchase. The warranty period is one year minimum for products, and one year maximum for batteries and chargers. This warranty applies only on new products.
In addition to any statutory rights resulting from the purchase of a new product, all MILWAUKEE branded power tools, outdoor tools and batteries are covered by a voluntary guarantee granted by the manufacturer
The MILWAUKEE Guarantee(s) are only applicable to purchaser(s) who purchase the products as end users ("Purchaser").
Most Milwaukee products can be registered for a 3-year warranty. The products EXCLUDED from the 3-year warranty are: Rechargeable battery packs, battery chargers, and accessories.
You must register your tool within 30 days of purchase. You can register your tools here:https://extension.milwaukeetool.eu/index.htm
Accessories you may need
Products in the range