FLEX 24V Brushless Cordless 6-1/2-Inch In-Line vs SKIL 16-5/16 In. Magnesium Worm Drive Skilsaw
Updated July 2026 — FLEX 24V Brushless Cordless 6-1/2-Inch In-Line wins on warranty and portability, SKIL 16-5/16 In. Magnesium Worm Drive Skilsaw wins on weight and cut depth.
The FLEX saw excels in portability and advanced features, while the SKIL saw is a powerhouse for heavy-duty tasks.
Why FLEX 24V Brushless Cordless 6-1/2-Inch In-Line is better
Price
FLEX is significantly cheaper at $177.66.
Portability
FLEX is cordless, enhancing maneuverability.
Warranty
FLEX offers a 5-year limited warranty.
Why SKIL 16-5/16 In. Magnesium Worm Drive Skilsaw is better
Cutting Capacity
SKIL can cut through 6x lumber in one pass.
Power
SKIL has a 15 AMP Dual-Field motor for relentless power.
Durability
SKIL's magnesium construction ensures durability.
Overall score
Specifications
| Spec | FLEX 24V Brushless Cordless 6-1/2-Inch In-Line | SKIL 16-5/16 In. Magnesium Worm Drive Skilsaw |
|---|---|---|
| Motor Type | Brushless | Dual-Field |
| Cutting Capacity | 2-9/16 in | 6-1/4 in |
| Battery | Cordless | Corded |
| Weight | Lightweight | Heavy |
| Material | Plastic | Magnesium |
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 designed for precision and power, making it a standout choice for both professionals and DIY enthusiasts. Priced at $177.66, it offers advanced features such as a sensor-free brushless motor and the ability to cut 3x lumber in a single pass. With a sales rank of 108,816, it may not be the top seller in its category, but it provides unique benefits like improved visibility and balance, which can enhance the cutting experience.
Overview of the SKIL 16-5/16 In. Magnesium Worm Drive Circular Saw
The SKIL 16-5/16 In. Magnesium Worm Drive Skilsaw Circular Saw is a powerhouse priced at $636.99. This saw boasts a remarkable 6-1/4 inch cutting capacity, allowing it to slice through lumber up to 6-1/4 inches thick with ease. With a sales rank of 52,459, it is clearly a popular choice among users seeking reliability and performance for demanding jobs. Its magnesium construction makes it both durable and lightweight, enhancing portability without sacrificing power.
Power and Performance Comparison
The FLEX saw, with its brushless motor, offers 20% more power with its 24V lithium battery system, making it an efficient choice for various cutting tasks. It features a maximum cutting capacity of 2-9/16 inches, which is impressive for a cordless model. On the other hand, the SKIL saw is equipped with a 15 AMP Dual-Field motor, specifically designed to keep the motor cooler and provide relentless power for larger jobs. This saw's cutting capacity is significantly higher, allowing it to tackle lumber up to 6-1/4 inches thick, which is crucial for heavy-duty applications.
Design and Usability
In terms of design, the FLEX saw is the world's first in-line circular saw, which promotes superior balance and clear visibility on both sides of the blade. This feature can significantly enhance user control and precision. Conversely, the SKIL saw is made from a tough magnesium die-cast footplate, ensuring that it can withstand the rigors of heavy use while maintaining accuracy with each cut. Its larger size and weight might be a consideration for users who prioritize portability, while the FLEX saw’s cordless design affords greater maneuverability.
Cutting Capacity and Efficiency
The cutting capacity of the FLEX saw allows for up to 430 cuts in 2x4 lumber with a 5.0Ah battery, showcasing its efficiency and runtime. This is particularly beneficial for users who need to make numerous cuts without frequently stopping to recharge. In contrast, the SKIL saw, with its ability to cut through 6x lumber in one pass, is engineered for larger projects, making it suitable for construction and framing tasks. This difference in cutting capacity highlights the FLEX saw’s suitability for lighter tasks compared to the SKIL saw’s strength in handling more substantial materials.
Battery and Runtime
The FLEX saw excels in runtime, enabling users to make numerous cuts before needing a recharge, thanks to its advanced THERMA-TECH heat management system. While the battery and charger are sold separately, the saw is compatible with all FLEX 24V batteries, providing flexibility for users who already own other FLEX tools. The SKIL saw does not rely on battery technology, instead operating on a powerful corded system, which may be advantageous for extended use without the need to recharge. However, this corded nature limits portability compared to the FLEX model.
Warranty and Customer Support
FLEX offers a robust 5-year limited warranty for users who register their tools within 30 days of purchase, providing peace of mind regarding product longevity and support. This warranty is a significant advantage for users concerned about the long-term reliability of their tools. In contrast, the SKIL circular saw does not explicitly mention a warranty period, which may leave potential buyers questioning the level of support they can expect after purchase. A solid warranty can be a deciding factor for some users.
Which should you buy?
Choosing between the FLEX 24V Brushless Cordless Circular Saw and the SKIL 16-5/16 In. Magnesium Worm Drive Circular Saw ultimately depends on your specific needs. If you prioritize portability, advanced features, and efficiency for smaller projects, the FLEX saw at $177.66 offers great value. However, if you require a robust tool capable of handling larger cuts consistently, and don’t mind the higher price of $636.99, the SKIL saw is a formidable choice. Each saw shines in its own right, making the decision largely dependent on the scope of work you intend to undertake.

