FLEX 24V Brushless Cordless 6-1/2-Inch In-Line vs Milwaukee M18 FUEL 7-1/
Updated July 2026 — FLEX 24V Brushless Cordless 6-1/2-Inch In-Line wins on price, Milwaukee M18 FUEL 7-1/ wins on battery and speed.
The FLEX 24V offers innovative features and a lower price, while the Milwaukee M18 excels in performance and brand reputation.
Why FLEX 24V Brushless Cordless 6-1/2-Inch In-Line is better
Price
FLEX is $177.66 compared to Milwaukee's $214.99.
Cut Depth
FLEX has a maximum cutting depth of 2-9/16 inches.
Charging Speed
FLEX charges up to 50% faster.
Why Milwaukee M18 FUEL 7-1/ is better
Performance
Milwaukee delivers up to 750 cuts per charge.
Brand Reputation
Milwaukee is well-known for durability and performance.
Speed
Milwaukee reaches 6,000 RPM under load.
Overall score
Specifications
| Spec | FLEX 24V Brushless Cordless 6-1/2-Inch In-Line | Milwaukee M18 FUEL 7-1/ |
|---|---|---|
| Motor Type | Brushless | Brushless |
| Max RPM | N/A | 6000 |
| Cut Capacity | 2-9/16" | 2-5/8" |
| Runtime | 430 cuts | 750 cuts |
| Charging Time | Faster | Standard |
Dimension comparison
Overview of the FLEX 24V Brushless Cordless Circular Saw
The FLEX 24V Brushless Cordless 6-1/2-Inch In-Line Circular Saw is priced at $177.66, making it about 17% cheaper than the Milwaukee M18 FUEL 7-1/4 Inch Circular Saw, which retails for $214.99. This pricing difference might attract budget-conscious users who still desire high performance in their tools.
The FLEX model is notable for its unique in-line design, which enhances balance and visibility during cuts. With its brushless motor, it promises efficient operation and a runtime capable of achieving up to 430 cuts in 2x4 lumber when paired with a 5.0Ah battery. This efficiency is complemented by a charging system that allows for faster power replenishment, making it suitable for both professionals and DIY enthusiasts alike.
Performance Comparison
When it comes to performance, both the FLEX and Milwaukee models are engineered to handle tough cutting tasks, yet they do so in different ways. The FLEX saw features a sensor-free brushless motor, capable of delivering up to 20% more power with its 24V lithium battery. This allows it to cut through 3x lumber in a single pass with a depth of 2-9/16 inches.
On the other hand, the Milwaukee M18 FUEL saw boasts a powerful POWERSTATE Brushless Motor that reaches speeds of up to 6,000 RPM, ensuring it maintains high performance under load. This saw is designed for demanding applications, delivering up to 750 cuts per charge when using an M18 REDLITHIUM FORGE HD12.0 battery. Although the FLEX offers excellent runtime, the Milwaukee model's capability to perform more cuts per charge gives it an edge in continuous operations.
Design and Usability
The design of the FLEX 24V saw emphasizes balance and visibility, thanks to its in-line configuration. This allows for a clear view on both sides of the blade, enhancing cutting accuracy. The built-in LED light adds to this by illuminating the workpiece, which is especially useful in low-light conditions.
Conversely, the Milwaukee saw features an ergonomic and lightweight design that is ideal for all-day use. It includes positive bevel detents and depth detents to increase productivity and reduce downtime. Additionally, its electric blade brake and magnesium guards enhance durability, making it a reliable choice for contractors who frequently work with heavy materials. Overall, while both saws offer user-friendly features, their designs cater to slightly different preferences and use cases.
Battery and Charging
Battery performance is crucial in cordless tools, and both saws offer impressive capabilities. The FLEX saw is designed for use with all FLEX 24V batteries, which can charge up to 50% faster thanks to its dual fan chargers. This feature ensures that users spend less time waiting for their tools to be ready.
In contrast, the Milwaukee M18 FUEL saw, when paired with the M18 REDLITHIUM FORGE HD12.0 battery, provides up to 750 cuts per charge, showcasing its efficiency. However, it does not specify a faster charging capability compared to the FLEX. Thus, while both models deliver great battery life, the FLEX's quicker charging time can be a significant advantage for users who need to maximize their productivity on the job site.
Cutting Capacity
The cutting capacity of both circular saws is impressive, but they differ in size and capability. The FLEX 24V saw offers a maximum cutting depth of 2-9/16 inches, making it suitable for cutting through thick lumber in a single pass. This feature is particularly beneficial for users who often work with larger materials.
The Milwaukee M18 FUEL saw, while slightly larger at 7-1/4 inches, has a cut capacity of 2-5/8 inches. This allows it to cut through 3x materials as well, but it might not provide the same depth as the FLEX when it comes to thicker stock. Therefore, while both saws excel at cutting, the FLEX may have a slight advantage in terms of depth when handling thicker lumber.
Market Position and Sales Rank
In terms of market presence, the Milwaukee M18 FUEL saw holds a stronger position with a sales rank of 20,665, compared to the FLEX saw's rank of 108,816. This higher sales rank indicates that the Milwaukee model is more popular among consumers, possibly due to its established brand reputation and recognized performance in the industry.
However, the FLEX saw, despite its lower sales rank, still offers unique features that could appeal to specific users, particularly those looking for innovative design and enhanced battery technology. The popularity of a product can often guide purchasing decisions, but it's essential to consider how each tool fits individual needs and preferences.
Warranty and Support
Both brands offer warranties that reflect their commitment to quality. The FLEX 24V saw comes with a 5-year limited warranty, which is contingent upon registering the product within 30 days of purchase. This warranty provides peace of mind for users investing in their tools.
On the other hand, Milwaukee is known for its robust customer service and support, although specific warranty details for the M18 FUEL saw are not provided here. Typically, Milwaukee tools come with a 5-year warranty for their battery systems, which may also apply to the circular saw. The warranty terms can be a deciding factor for many buyers, as they indicate the manufacturer's confidence in their products.
Which should you buy?
Choosing between the FLEX 24V Brushless Cordless Circular Saw and the Milwaukee M18 FUEL Circular Saw ultimately depends on your specific needs. The FLEX offers innovative features like its in-line design, superior battery charging speed, and a slightly lower price point of $177.66. In contrast, the Milwaukee saw, priced at $214.99, provides a higher sales rank, exceptional performance under load, and a proven track record in demanding applications.
If you prioritize cutting depth and faster charging capabilities, the FLEX may be the better option. However, if you need a saw that excels in heavy-duty applications with a well-established reputation, the Milwaukee could be worth the investment. Consider your project requirements and preferences to make the best choice for your tool collection.

