Portable circular saw Black & Decker CS1200-QS — 16.5 cm blade, 1200 W, 5500 RPM

Black & Decker CS1200-QS portable circular saw features a 16.5 cm (165 mm) blade, 1200 W rated output and an idle speed up to 5,500 RPM. The battery-powered design provides a compact, mobile cutting solution for straight cuts in wood and construction panels, with a maximum cutting depth of 37 mm at a 45° bevel. The saw is intended for on-site carpentry, renovation and DIY projects where a balance of power and portability is required.

Advantages

The CS1200-QS combines a relatively high 1200 W output with a compact 165 mm blade, enabling efficient straight cuts while remaining lightweight and easy to transport. Built-in dust extraction and bevel adjustment improve cut quality and versatility on various materials. Battery power removes the need for a cord, making it suitable for jobs without immediate access to mains power.

Suitable for

• Straight cuts in soft and hardwoods
• Cutting construction panels (plywood, OSB, MDF)
• On-site carpentry and renovation tasks
• DIY projects where portability is important

When it may not be suitable

This saw uses a 165 mm blade which limits maximum cutting depth compared with larger circular saws; it may not be suitable for very thick timbers or deep rip cuts. For extended heavy-duty production work or cutting very dense materials, a larger, higher-capacity saw would be more appropriate.

Key specifications

• Blade diameter: 165 mm
• Idle speed: up to 5,500 RPM
• Output power: 1,200 W
• Power source: battery
• Maximum cutting depth at 45° bevel: 37 mm
• Bevel adjustment: yes
• Dust extraction port: yes
• Color: black and orange

How to use

Fit an appropriate 165 mm saw blade for the material and secure the battery before use. Adjust the bevel and cutting depth according to the required cut, connect a dust extractor to the port if available, and support the workpiece firmly. Start the saw, allow it to reach full speed, then feed it steadily through the material following the guide or marked line. After cutting, release the trigger and wait for the blade to stop completely before setting the tool down.

What to consider before purchase

• Required maximum cutting depth for your projects (165 mm blade / 37 mm at 45°)
• Battery compatibility and run time for on-site use
• Blade type suitable for the materials you will cut
• Need for dust extraction or additional safety accessories

Usage recommendations

Use a sharp, material-appropriate 165 mm blade and secure the workpiece. For cleaner cuts, use the dust extraction port and make a slow, steady feed. Check battery charge and allow the saw to reach full speed before engaging the cut.