Bosch 8-1/2″ Single Bevel Sliding Compound Miter Saw Review


In the ever-evolving landscape of woodworking and construction, the search for precision and efficiency remains paramount. Enter the BOSCH CM8S 8-1/2″ Single Bevel Sliding Compound Miter Saw, a tool that seamlessly marries innovation with functionality. As a cornerstone of Bosch’s renowned lineup, this miter saw is designed to meet the needs of both novice craftsmen and seasoned professionals. With its 8-1/2-inch blade and single bevel sliding compound feature, it promises to redefine the way we approach cutting tasks, offering accuracy, versatility, and ease of use in a single, meticulously crafted package. Join us as we delve into the intricacies of the BOSCH CM8S, exploring how it stands out in a market saturated with options and why it has become a go-to choice for those seeking precision in every cut.

What You Need To Know About BOSCH CM8S 8-1/2″ Single Bevel Sliding Compound Miter Saw

Bosch 8-1/2” Single Bevel Sliding Compound Miter Saw with blue and gray body and white dust bag

The BOSCH CM8S 8-1/2″ Single Bevel Sliding Compound Miter Saw is a game-changer in precision cutting. Designed with a focus on portability and functionality, this miter saw weighs a mere 37 pounds, making it exceptionally easy to carry with its top handle strategically positioned for one-handed transportation. The accessible controls, including the bevel lock lever and bevel turret stops, simplify adjustments without the need to reach behind the saw. Despite its lightweight design, the CM8S doesn’t compromise on power, maintaining a 12-1/4-inch crosscut capacity akin to a 10-inch miter saw. With features like an integrated expanding base, ergonomic trigger handle, and intuitive miter detent override, this miter saw delivers precision and convenience for both professionals and DIY enthusiasts, showcasing Bosch’s commitment to quality and innovation in every cut.

BOSCH CM8S Specifications

Arbor Size5/8 in
Amperage 12 A
Maximum Speed (RPM)5600 RPM
Weight 37 lbs
Cord Length6 ft
Dimensions‎18.75″L x 17.25″W x 33.25″H
Voltage‎120 Volts
Blade Diameter8-1/2 in

Key Features

  • Compact and Lightweight Design: Weighing only 37 pounds, the CM8S is designed for ultimate portability, featuring a top carry handle positioned at the center of gravity for easy one-handed transport.
  • One-Handed Portability: The top carry handle, combined with the well-balanced design, allows for effortless one-handed portability on and off the job site.
  • Accessible Bevel Controls: The bevel lock lever and bevel turret stops are conveniently located on the side of the tool, making it easy to adjust bevel settings without reaching behind the saw.
  • Expanding Work Piece Supports: Integrated expanding base extensions provide additional support for workpieces, expanding up to 29 inches left to right.
  • Large Easy-to-Read Scales: The miter and bevel scales are large and easy to read, offering uniform marks from 52˚ left to 60˚ right. The detent system ensures quick and accurate cuts.
  • Clear Lower Guard: The clear lower guard provides an unobstructed view throughout the cut, enhancing visibility and precision.
  • Adjustable Front Stabilizing Foot: Ensures saw stability when performing slide cuts, accommodating maximum capacity for various cutting scenarios.
  • Miter Detent Override: An intuitive thumb-actuated override allows for easy adjustments to miter settings, providing additional control during operations.
  • Powerful Performance: With a 12.0 amperage and a no-load RPM of 5,600, the CM8S delivers the power needed for a range of cutting applications.
  • Versatile Cutting Capacities: The saw maintains a crosscut capacity of 12-1/4 inches, equivalent to a 10-inch miter saw, making it versatile for various cutting tasks.

Design and Build Quality

BOSCH has excelled in designing the CM8S, focusing on practicality and user needs. The ambidextrous trigger handle is more than functional; it provides a comfortable and secure grip for extended use, enhancing the tool’s overall ergonomic appeal. This design element caters to users valuing both precision and comfort in woodworking.

Person using a Bosch CM8S 8-1/2” Single Bevel Sliding Compound Miter Saw at a construction site

Additionally, the CM8S features a smart design with its adjustable front stabilizing foot. This component adds stability, especially useful for intricate slide cuts. Whether you’re engaged in detailed carpentry or handling challenging angles, the adjustable front stabilizing foot ensures a stable and controlled cutting experience, instilling confidence in project execution. The clear lower guard on the CM8S underscores BOSCH’s commitment to user safety, offering an unobstructed view during cuts that minimizes surprises and boosts the accuracy of each cut. In essence, the CM8S embodies a design philosophy that prioritizes practicality and safety, making it an excellent choice for craftsmen in search of a reliable and well-crafted tool.

Performance and Efficiency

The CM8S comes with a robust 12.0 amperage motor, boasting an impressive no-load RPM of 5,600. This potent motor turns the saw into a reliable workhorse, effortlessly cutting through a variety of materials. Its ability to handle different materials makes it a practical choice for users working on various projects, from carpentry to construction.

Person using a BOSCH CM8S 8-1/2” Single Bevel Sliding Compound Miter Saw on a wooden board

In terms of user convenience, the CM8S features a quick miter detent override and a broad miter angle range. These functionalities simplify the adjustment process, enabling users to make changes swiftly and efficiently. Whether dealing with intricate angles or making quick adjustments between cuts, the CM8S ensures a seamless adjustment process, saving valuable time and reducing potential frustration. The combination of a powerful motor and user-friendly adjustment features establishes the CM8S as a versatile and effective tool suitable for both professionals and DIY enthusiasts.

Unleashing Precision

The CM8S stands out for its impressive precision. The miter and bevel scales marked consistently and adorned with uniform markings, along with the detent system, work together seamlessly to ensure accuracy in every cut. This meticulous focus on detail is what makes the CM8S a dependable choice for users who prioritize precision in their woodworking projects. Whether engaged in intricate carpentry or more extensive construction tasks, the CM8S guarantees that each cut adheres to desired specifications, fostering confidence in the quality of your work.

BOSCH CM8S 8-1/2” Single Bevel Sliding Compound Miter Saw cutting through wood

Complementing its precision-oriented design, the CM8S features expanding base extensions. These extensions serve a vital role in providing robust support for workpieces of various sizes. This practical addition empowers users to confidently tackle a range of projects, with the assurance that the CM8S delivers stability and reliability. The expanding base extensions cater to the versatility required in different woodworking tasks, establishing the CM8S as the tool of choice for those who prioritize not just precision but also adaptability in their projects.

Safety Features

Safety is a top priority for BOSCH, and they don’t compromise on it. The inclusion of a clear lower guard underscores their commitment to creating a secure work environment. This feature ensures users have an unobstructed view while operating the tool, significantly lowering the risk of accidents. It’s a small yet practical addition that not only improves the saw’s functionality but also fosters an overall feeling of security, allowing users to concentrate on their tasks with confidence.

BOSCH CM8S 8-1/2” Single Bevel Sliding Compound Miter Saw in use on a wooden workbench

The clear lower guard serves as a crucial safety feature, maintaining visibility throughout the cutting process. This considerate design minimizes the likelihood of unexpected obstacles or mishaps, fostering a safer working experience. Users operating the saw can recognize the practicality of this feature, acknowledging how seamlessly it integrates into the overall design to enhance both safety and ease of use. In the world of power tools, BOSCH not only emphasizes functionality but also prioritizes user well-being, making their tools a dependable choice for those who prioritize both efficiency and safety.


Whether you’re crafting intricate woodwork or handling construction projects, the CM8S doesn’t disappoint. Its versatility shines through in a range of applications, making it a reliable companion for professionals and DIY enthusiasts alike. Here are several practical applications for using this miter saw:

  1. Carpentry Projects: The precision and accuracy of the CM8S make it ideal for various carpentry tasks, such as crafting furniture, building shelves, or creating intricate wood designs.
  2. Trim Work: When it comes to installing or replacing trim around doors, windows, or baseboards, the CM8S ensures clean and precise miter cuts, enhancing the overall aesthetics of a space.
  3. Crown Molding Installation: The saw’s ability to handle angled cuts and diverse bevel angles makes it well-suited for installing crown molding with accuracy and efficiency.
  4. Deck Building: For professionals or DIY enthusiasts involved in deck construction, the CM8S facilitates the cutting of deck boards and railing components with ease.
  5. Framing: The saw’s portability and crosscut capacity make it an excellent choice for framing applications, allowing users to cut dimensional lumber accurately.
  6. Door and Window Frame Installation: Installing door and window frames requires precise cuts to ensure a snug fit. The CM8S provides the accuracy needed for such installations.
  7. Renovation Projects: Whether you’re renovating a room or an entire house, this miter saw is a valuable tool for making accurate cuts on various materials, contributing to a professional finish.
  8. Custom Woodworking: For craftsmen engaged in custom woodworking projects, the CM8S offers the flexibility needed to achieve intricate designs and precise cuts.
  9. Flooring Installation: The miter saw’s capacity to handle different angles and its stability make it suitable for cutting flooring materials during installation.
  10. Outdoor Projects: From constructing outdoor furniture to building a pergola, the CM8S is a reliable companion for outdoor woodworking projects that demand accuracy and versatility.

In essence, the BOSCH CM8S is a multipurpose miter saw that caters to a broad spectrum of applications, making it an essential tool for both professionals and hobbyists in the woodworking and construction realms.

Ease of Maintenance

Maintenance is straightforward with the CM8S. Regular cleaning and blade checks are par for the course, but the design minimizes complications, ensuring that your focus stays on the task at hand. Here are some practical tips to ensure its longevity and optimal performance:

  1. Regular Cleaning: Keep your CM8S clean after each use. Wipe off sawdust and debris from the blade, fence, and other components. A clean saw not only operates better but also ensures more accurate cuts.
  2. Blade Care: Check the blade regularly for sharpness and cleanliness. If it’s getting dull, consider sharpening or replacing it for better cutting efficiency. Make sure to disconnect the power before handling the blade.
  3. Lubrication: Pay attention to moving parts and apply lubrication as needed. This includes the sliding rails and any pivot points. A well-lubricated saw runs smoother and is less prone to wear.
  4. Inspect the Cord: Regularly inspect the power cord for any signs of damage or wear. If you notice any issues, address them promptly to prevent safety hazards.
  5. Adjustments and Calibration: Periodically check and calibrate the saw for accuracy. Ensure that bevel and miter adjustments are precise. This ensures your cuts remain accurate over time.
  6. Storage: When not in use, store your CM8S in a dry and cool environment. If you’re storing it for an extended period, consider covering it to protect it from dust.
  7. Safety First: Always follow safety guidelines provided in the manual. This includes using appropriate safety gear, securing the workpiece properly, and maintaining a clutter-free workspace.
  8. Inspect the Power Source: Check the power source regularly. If you’re using an extension cord, make sure it’s in good condition and suitable for your saw’s power requirements.
  9. Handle with Care: While the CM8S is robust, it’s essential to handle it with care. Avoid forcing the saw through cuts, and let the blade do the work. This not only extends the tool’s life but also enhances safety.
  10. Stay Informed: Keep yourself informed about any product updates, recalls, or maintenance recommendations from BOSCH. This ensures you’re aware of any improvements or precautions to enhance your saw’s performance.

Remember, regular maintenance not only prolongs the life of your CM8S but also ensures that it continues to deliver accurate and reliable results for all your woodworking projects.

Price and Value for Money

While the CM8S may not boast the most budget-friendly price tag, it perfectly justifies its cost through the exceptional value it delivers. This miter saw stands as a worthy investment, especially for dedicated craftsmen seeking a tool that not only meets but exceeds their high standards in terms of performance, precision, and portability.

Person using a BOSCH CM8S 8-1/2” Single Bevel Sliding Compound Miter Saw at a construction site

Beyond a mere consideration of the CM8S’s price, its performance serves as a testament to its quality, ensuring that each cut is executed with a level of precision that sets it apart. The notable portability of this saw further enhances its appeal, making it an excellent choice for serious craftsmen who prioritize both efficiency and ease of use in their tools. While alternative options may come with a friendlier price tag, the CM8S distinguishes itself as a robust investment for those who value a harmonious blend of cost-effectiveness and unwavering performance in their woodworking pursuits.

Is it Worth it to Buy?

Absolutely. The BOSCH CM8S stands as a must-have in my workshop, proving its indispensability across a range of woodworking projects. Its harmonious blend of robust power, unparalleled precision, and outstanding portability establishes it as a standout choice that is difficult to surpass. This sliding compound miter saw has seamlessly integrated itself into my toolkit, consistently delivering the necessary performance and reliability for a diverse array of tasks.

Construction worker carrying a BOSCH CM8S 8-1/2” Single Bevel Sliding Compound Miter Saw at a construction site

When on the lookout for a sliding compound miter saw that fulfills all requirements, the CM8S emerges as a clear and straightforward choice. Its ability to handle various materials, combined with the precision it brings to every cut, showcases a tool crafted for serious craftsmen. The effortless combination of power and portability makes it an obvious pick for those in search of a reliable and versatile addition to their workshop. The BOSCH CM8S not only holds its position among my essential tools but also stands as a wholehearted recommendation for anyone seeking a top-notch sliding compound miter saw.

Pros and Cons


  • Ambidextrous Trigger Handle: The ergonomically designed trigger handle is ambidextrous, providing comfort for users of all hand orientations during extended periods of use.
  • Quick Miter Detent Override: The miter detent override is not only intuitive but also quick to access through a thumb-actuated mechanism, allowing users to swiftly make adjustments without interrupting workflow.
  • Adjustable Front Stabilizing Foot: The presence of an adjustable front stabilizing foot ensures stability specifically during slide cuts, offering enhanced precision and control in challenging cutting scenarios.
  • Wide Miter Angle Range: With a miter angle range of 52° left to 60° right, the CM8S provides a broad spectrum of cutting possibilities, accommodating a variety of angles for increased project versatility.
  • No Load RPM of 5,600: The impressive no-load RPM of 5,600 enhances the efficiency of the saw, delivering swift and precise cuts through different materials.


  • Limited Bevel Range: While the bevel range is sufficient for many applications, some users may find the -2° to 47° range limiting for certain specialized bevel cuts.
  • Dust Collection System: The dust collection system, while present, may not capture all sawdust effectively, requiring additional measures for users aiming for a cleaner workspace.
  • Corded Electric: Being corded may limit mobility compared to cordless models, especially in outdoor or remote job sites where power sources may be less accessible.
  • No Electric Motor Brake: Unlike some competing models, the CM8S lacks an electric motor brake, which means the blade takes longer to come to a complete stop after releasing the trigger.
  • No Included Case: The absence of an included case might be a downside for users who prioritize convenient storage and transportation solutions.

Comparison Table

FeatureBOSCH CM8SMakita LS0815F
Motor Power12.0 amperage10.5 amperage
Blade Diameter8-1/2 inch8-1/2 inch
No-load RPM5,600 RPM5,000 RPM
Maximum Cutting Thickness2.75 in12 in
Maximum Crosscut Capacity at 90 Degrees2 in x 12 in2 in x 12 in
Miter Range50° left to 60° right0°-50° left, 0°-60° right
Positive Miter Stops0°, 15°, 22.5°, 31.6°, 45°, 50°0°, 15°, 22.5°, 31.6°, 45°, 50°, 60°
Weight37.8 lbs.31.1 lbs.
L.E.D. LightNoYes
Clear Lower GuardYesYes
Additional FeaturesDual bevel lock, front stabilizing footElectric brake, transparent blade guard
Dimensions (LxWxH)31″L x 23.75″W x 22.75″H29.75″L x 17.75″W x 19.25″H
Average Price$449.00 to $489.00$549.00 to $580.81

Makita LS0815F 8-1/2″ Single Bevel Sliding Compound Miter Saw

The Makita LS0815F 8-1/2″ Single Bevel Sliding Compound Miter Saw is a versatile and efficient tool designed to meet the demands of various cutting applications. Equipped with a powerful 10.5 amperage motor and operating at 5,000 RPM, this miter saw offers a balance of power and precision. With a miter range from 0° to 50° left and 0° to 60° right, it provides flexibility for a wide range of cutting angles. The inclusion of positive miter stops at key angles enhances accuracy and ease of use. Notably, the LS0815F features an LED light for improved visibility of the cutting line, contributing to precise and controlled cuts. The transparent blade guard adds an extra layer of safety, allowing users to maintain a clear view of the cutting process. Weighing in at 31.1 lbs., this miter saw is relatively lightweight, enhancing portability for job site tasks. With its compact design, electric brake, and other user-friendly features, the Makita LS0815F is a reliable choice for professionals and DIY enthusiasts seeking a high-performance sliding compound miter saw.

Comparative Analysis

In comparing the BOSCH CM8S and Makita LS0815F, both 8-1/2 inch Single Bevel Sliding Compound Miter Saws, several key distinctions emerge. The BOSCH CM8S stands out with a more powerful 12.0 amperage motor, resulting in a higher no-load RPM of 5,600. It offers a substantial cutting thickness of 2.75 inches and a larger crosscut capacity at 90 degrees, measuring 2 inches by 12 inches. On the other hand, the Makita LS0815F, with a 10.5 amperage motor and 5,000 RPM, emphasizes a wide miter range from 0° to 50° left and 0° to 60° right.

The BOSCH CM8S presents additional features such as a dual bevel lock and front stabilizing foot, contributing to stability during intricate cuts. In contrast, the Makita LS0815F features an electric brake and a transparent blade guard, enhancing safety and visibility. While the BOSCH CM8S is slightly heavier at 37.8 lbs., the Makita LS0815F weighs 31.1 lbs., promoting greater portability.

When considering LED lighting, only the Makita LS0815F incorporates this feature, providing improved visibility of the cutting line. Lastly, in terms of dimensions, the BOSCH CM8S measures 31 inches in length, 23.75 inches in width, and 22.75 inches in height, while the Makita LS0815F has dimensions of 29.75 inches in length, 17.75 inches in width, and 19.25 inches in height.

As for pricing, the BOSCH CM8S typically ranges from $449.00 to $489.00, while the Makita LS0815F is priced between $549.00 and $580.81 on average. In conclusion, your choice between these two miter saws depends on your specific needs. If you prioritize a more robust motor and greater cutting capacity, the BOSCH CM8S may be the preferable option. However, if enhanced portability, a wide miter range, and LED lighting are crucial factors, the Makita LS0815F offers a compelling alternative.

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Final Verdict

Based on my hands-on experience, the BOSCH CM8S 8-1/2″ Single Bevel Sliding Compound Miter Saw stands out as a premier option for individuals prioritizing precision in their cutting endeavors. With its meticulous design, potent performance, and user-centric features, this miter saw proves to be a dependable and effective asset in any workshop. If you’re prepared to enhance your woodworking capabilities, rest assured that the CM8S lives up to expectations and won’t leave you disappointed.


  1. What sets the BOSCH CM8S apart in terms of portability?
    The CM8S is exceptionally portable, weighing only 37 pounds. Its unique top carry handle, strategically placed at the center of gravity, allows for effortless one-handed transport, making it a standout choice for those who value mobility.
  2. How does the ambidextrous trigger handle on the CM8S benefit users?
    The ambidextrous trigger handle ensures comfort for users of all hand orientations during extended use. It provides a form-fitting grip that enhances overall user comfort and control.
  3. Can the CM8S handle intricate cuts and adjustments?
    Yes, the CM8S excels at intricate cuts with its quick miter detent override and broad miter angle range. This feature facilitates swift and precise adjustments, catering to a variety of cutting needs.
  4. Is the CM8S suitable for professionals and DIY enthusiasts alike?
    Absolutely. Its balance of power, precision, and user-friendly design makes the CM8S a versatile tool suitable for both professionals and DIY enthusiasts looking for accuracy and ease of use.
  5. How does the CM8S prioritize user safety during operation?
    Safety is a priority with the CM8S. The clear lower guard offers an unobstructed view during cuts, enhancing user safety by minimizing unexpected obstacles and providing a clear line of sight.
  6. Does the CM8S feature an electric motor brake for blade stoppage?
    No, the CM8S does not come with an electric motor brake. Users should be aware of this factor, especially if they prioritize a quicker blade stop after releasing the trigger.
  7. What types of materials can the CM8S efficiently cut through?
    With its powerful 12.0 amperage motor and a no-load RPM of 5,600, the CM8S is versatile enough to cut through various materials, making it suitable for a diverse range of applications.
  8. How effective is the dust collection system on the CM8S?
    While the CM8S features a dust collection system, users may find it beneficial to implement additional measures, as it may not capture all sawdust effectively. Regular maintenance, including cleaning the system, is recommended for optimal performance.

As we wrap up our look at the BOSCH CM8S 8-1/2″ Single Bevel Sliding Compound Miter Saw, it’s evident that this tool is more than equipment – it’s a trusted ally for woodworking enthusiasts. Boasting unparalleled portability, ergonomic design, and efficient performance, the CM8S stands out in the miter saw landscape, prioritizing user safety and versatility. As your projects unfold, the CM8S remains a symbol of quality craftsmanship, ensuring a seamless and enjoyable woodworking experience. Elevate your workshop with the CM8S – where precision meets practicality, and every cut tells a story of craftsmanship.

Benjamin Brooks
Benjamin Brooks
Forestry Author

Greetings! I'm Benjamin Brooks, and my journey over the past 15 years has revolved around the fascinating realms of content creation, expertise in snow clearing, and the intricate world of lumberjacking and landscaping. What began as a simple curiosity about the natural world and heavy machinery has evolved into a passionate profession where my love for crafting words intertwines seamlessly with my lumberjacking and garden skills.


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