Metabo KGS 315 Plus Review


In the world of power tools, sharp accuracy, and tough build really make a difference in how well your project turns out. The Metabo KGS 315 Plus Mitre Saw is a beast of a tool, perfect for those who are serious about their woodworking and metalworking. Let’s explore why this saw is a top pick for both professionals and avid DIY enthusiasts.

Specifications of Metabo KGS 315 Plus

  • Model Number: KGS 315 Plus
  • Maximum Cutting Width: 320 mm at 90°, 223 mm at 45°
  • Maximum Cutting Depth: 120 mm at 90°, 76 mm at 45°
  • Motor Power: 1600 W (Rated), 2200 W (Under Load)
  • Blade Size: 315 x 30 mm
  • No-Load Speed: 3100 – 4100 rpm
  • Speed at Rated Load: 4100 rpm
  • Cutting Speed: 51 – 68 m/s
  • Weight: 27.2 kg
  • Dimensions (LxWxH): 950 x 765 x 660 mm
  • Support Surface Size: 1070 x 505 x 365 mm
  • Cable Length: 2.1 m
  • Sound Pressure Level: 89 dB(A)
  • Sound Power Level: 98 dB(A)
  • Measurement Uncertainty (K): 2.6 dB(A)

Design and Build Quality

The Metabo KGS 315 Plus is robust, boasting dimensions of 950 x 765 x 660 mm, making it both substantial and stable for all types of cutting tasks.

Metabo KGS 315 Plus mitre saw mounted on a mobile stand in a workshop.

It’s fitted with ergonomically-designed handles and a saw head lock which make transporting it a breeze despite its 27.2 kg weight. Its sturdy construction promises durability and a long service life.

Performance and Features

At the heart of this saw is a 1600 W motor, which can spike up to 2200 W under load, thanks to its S6 20% rating. This surge in power allows the saw to cut through even the toughest materials without a hitch. The no-load speed ranges from 3100 to 4100 rpm, delivering a cutting speed of 51 to 68 m/s, ensuring swift and clean cuts.

Close-up of Metabo KGS 315 Plus saw blade cutting through a wooden plank.

The saw’s dual capacity for both 90° and 45° angles provides a maximum cutting width of 320 mm and a depth of 120 mm at 90°, which narrows down to 223 mm by 76 mm at 45°. This flexibility is enhanced by its ability to tilt and rotate the saw head on both sides, making complex cuts straightforward.

Ease of Use

Overview of the Metabo KGS 315 Plus mitre saw's base with adjustable angle settings.

Metabo has integrated several features aimed at improving user experience. The Quick-action clamp secures workpieces swiftly, while the integrated, pull-out table-width extensions offer additional support for larger pieces. Changing saw blades are tool-free, courtesy of the Metabo Quick system, and the depth guide enables easy grooving.

Innovative Features

What sets the KGS 315 Plus apart are its Vario-Constamatic (VC) Full-wave electronics, which maintain nearly constant speeds under load, tailored for different materials. This adaptability is crucial when working with diverse materials such as aluminum profiles and plastics. Moreover, the superb dust extraction system ensures a clean working environment, crucial for both safety and precision.

Safety and Additional Features

Detailed view of the Metabo KGS 315 Plus saw blade and safety markings during operation.

The sliding high rear fence profiles ensure safe operations, and the soft start function protects the motor and drive from wear and tear. All scales and operating elements are intuitively placed and visible from the working position, minimizing user strain and enhancing workflow.

Mitre Saw Comparison Table: Metabo KGS 315 Plus vs. Competitors

Metabo KGS 315 Plus
DeWalt DWS780
Bosch GCM12SD
Motor Power1600 W (2200 W under load)1675 W1800 W
No-Load Speed (rpm)3100 – 410038003800
Cutting Width 90°320 mm345 mm356 mm
Cutting Depth 90°120 mm112 mm104 mm
Speed ControlVariableFixedFixed
Price RangeMid-rangeHigher-endHigher-end
Innovative FeaturesVario-Constamatic, tool-free blade changeXPS cross-cut positioningAxial-Glide system
Weight27.2 kg25.5 Kg29.48 kg
User ExperienceExcellent dust extraction, dual bevel flexibilityDurable, precise, less portableSmooth, wide cuts, cumbersome in small spaces


The Metabo KGS 315 Plus, DeWalt DWS780, and Bosch GCM12SD each cater to different needs within the miter saw market. The Metabo offers exceptional versatility with its variable speed control and superior dust management, making it ideal for varied materials and clean operations. It’s priced moderately, providing good value for its features.

The DeWalt DWS780, while pricier, excels in precision and durability, is favored for its reliable performance and innovative XPS cross-cut positioning system. However, its heavier build reduces portability.

The Bosch GCM12SD stands out with its unique Axial-Glide system, offering wider cuts and enduring accuracy. It’s suitable for users who need robust performance in larger workshop settings, though its size may be an issue for those with limited space.

Each saw has distinctive advantages, and the best choice depends on your specific requirements, such as the need for portability, cutting capacity, or price considerations.

Maintenance and Warranty for the Metabo KGS 315 Plus Mitre Saw

Proper maintenance and understanding the warranty details of your power tools are essential for ensuring their longevity and performance. Here’s a comprehensive guide on how to maintain the Metabo KGS 315 Plus miter saw and the warranty coverage it offers.

Maintenance Tips:

  1. Keep your saw clean from dust and debris, which can accumulate and affect its performance. Use a brush or a blower to clean the saw after each use, especially around the moving parts and the ventilation slots.
  2. Regularly lubricate the moving components of the saw, such as the pivot points and sliding mechanisms, to ensure smooth operation. Use only the lubricants recommended by Metabo to avoid any potential damage.
  3. Inspect the blade regularly for wear or damage, such as cracks or dull edges. Replace the blade when necessary using the Metabo Quick system for a tool-free blade change. Ensure the new blade is compatible with the saw’s specifications.
  4. Over time, components like the drive belt and brushes of the motor may wear out. Inspect these parts periodically and replace them if signs of excessive wear are evident.
  5. If your saw includes software components (like electronic controls), ensure that they are kept up to date with the latest firmware updates provided by Metabo.
  6. Before each use, perform a quick safety check to ensure all safety devices are functional, and the saw is operating correctly. This includes verifying that all guards are in place and the saw is securely mounted.

Warranty Details:

  • The Metabo KGS 315 Plus typically comes with a standard 3-year warranty. This covers defects in materials or workmanship from the date of purchase.
  • Metabo offers an option to extend the warranty period if the tool is registered on their website within a specific timeframe after purchase.
  • The warranty includes the repair or replacement of parts that have failed due to manufacturing defects. It does not cover wear and tear, misuse, or damage from accidents.
  • In the event of a fault, Metabo advises contacting their customer service or visiting an authorized service center. Always keep your purchase receipt as it is required when making a warranty claim.


The Metabo KGS 315 Plus is not just a tool but a versatile partner for cutting tasks. Whether you’re slicing through wood or metals, this miter saw offers precision, power, and ease of use in one package. While it might be on the heavier side, its performance and features more than compensate, making it a valuable addition to any workshop.


  1. What makes the Metabo KGS 315 Plus ideal for cutting different materials?
    The saw features Vario-Constamatic (VC) Full-wave electronics, allowing for speed adjustments that remain consistent under load. This makes it perfect for tackling a variety of materials including wood, plastics, and aluminum profiles.
  2. Can I switch between different saw blades easily with the Metabo KGS 315 Plus?
    Absolutely! The Metabo Quick feature enables tool-free blade changes, significantly reducing downtime and boosting workflow efficiency in your projects.
  3. Is the Metabo KGS 315 Plus suitable for both left and right-handed users?
    Yes, the design accommodates both left and right-handed users with a rotating table and dual inclinable saw head, enhancing flexibility and comfort for all users.
  4. How does the Metabo KGS 315 Plus ensure precise cuts every time?
    The saw includes sliding high rear fence profiles and a quick-action clamp that secures workpieces firmly, providing stability and precision for each cut.
  5. What are the advantages of the dual dust extraction ports on the Metabo KGS 315 Plus?
    The dual extraction ports are aligned closely with the workpiece, optimizing dust extraction and maintaining a cleaner, safer work environment.
  6. How does the soft start feature benefit the longevity of the Metabo KGS 315 Plus?
    The soft start feature reduces initial torque and strain on the motor, extending the life of both the motor and the drive components.
  7. What is the maximum width and depth the Metabo KGS 315 Plus can cut at 45 degrees?
    At a 45-degree angle, the saw can cut up to 223 mm in width and 76 mm in depth, enabling versatile cutting configurations for various project needs.

We hope you found our deep dive into the Metabo KGS 315 Plus informative and helpful! If you have any questions or experiences to share about this mitre saw or similar tools, we’d love to hear from you in the comments below. Your insights could help others make informed decisions. Don’t hesitate to join the conversation and share your thoughts!

Joel Cunningham
Joel Cunningham
Forestry Author

I'm Joel Cunningham, an expert in pruning and weed management with over a decade of experience. My skills are rooted in formal training and extensive practice, focusing on advanced pruning techniques and efficient weed control. I'm known for my quality work, precision, and deep understanding of plant health and soil dynamics. My contributions extend to educational initiatives where I share sustainable practices and advice, establishing myself as a reliable and authoritative figure in the gardening community.


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