DEWALT DC390B Bare-Tool 6-1/2-Inch 18-Volt Cordless Circular Saw Review

DEWALT  Cordless Circular Saw Review

Whether you are a professional carpenter or simply a DIY enthusiast, you need a reliable power tool to allow you to practice your expertise easily in the worksite with any application. Amazon gift card One of the most frequently used tools in this type of profession in a circular saw, and you should look no further now that DEWALT DC390B is here to help.

Price Range

DEWALT has been dealing in power tools industry since the 1920’s, and it is now one of the most reputable internationally recognized manufacturers in the market. The DEWALT DC390B is of the company’s high performance industrial tools yet its price range is only from $77.00 to $99.00.

Versatility and Performance

DEWALT DC390B is indeed considered industrial tool but it does not necessarily mean that the circular saw will not be suitable for DIY enthusiasts who usually work on less demanding projects. It is a cordless circular saw powered by 18V motor delivering maximum no-load speed of 3,700rpm. The DC390B Circular Saw comes with standard 6-1/2 inches carbide-tipped blade which is easily available in case you need replacement. It uses a high-strength shoe made of magnesium material and upper guard for better durability. In terms of handling, this circular saw uses rubber-grip handle which also helps to dampen vibration to the hand. The DC390B 18-Volt Cordless Circular Saw by DEWALT is basically designed to deliver optimum speed and enough strength to cut carious types of sheets or materials including hardwood, construction lumber, softwood, particleboard, plywood, oriented-strand board, and more.

Works in Multitude of Applications

Cutting capacity is probably the most important specification of a circular saw. It determines whether the power tool can handle various types of sheets or materials for many different applications. With its 6-1/2 inches carbide-tipped blade, this DEWALT provides 0-50 degree bevel capacity. The depth of cut at 90-degrees is 2-1/4 inches, while in 45-degrees it can cut as deep as 1-5/8 inch.

No Power Cord

The circular saw is powered by 18V rechargeable Lithium-Ion or NiCad battery. Being a cordless power tool means that it is not necessary to keep it plugged to a power source at all times when in use. In certain job site where plenty of things, tools, and equipment are around the floor and table, a cord can be a distraction and dangerous at its worse. It is compatible with any DEWALT 18V Li-Ion or NiCad battery, meaning it is possible to use the circular as addition to the existing power tool or simply as a spare. The manufacturer also provides battery and fast charger that are compatible with the DC390B.

DEWALT DC390B 6-1/2-Inch 18-Volt Cordless Circular Saw Features and Specification

• Cordless circular saw powered by rechargeable battery to eliminate the needs for power cord at worksite
• High strength shoe made of magnesium materials for optimum durability
• Rubber-grip handle for comfort and dampening vibration
• Fan-cooled motor with replaceable brushes
• Maximum no-load speed is 3,700 RPM
• It weighs only 6.3lbs
• Equipped with standard 6-1/2 inches carbide-tipped blade which is easily available
• 0-50 degree bevel capacity for better versatility
• 2-1/4 inches cutting depth at 90 degrees
• 1-5/8 inch cutting depth at 45 degrees
• Compatible with any 18-Volt Li-Ion or NiCad battery from DEWALT
• Suitable for ripping and crosscutting various materials including hardwood, construction lumber, and almost all types of sheets.
• Blade wrench is included in the package
• 3-year limited warranty and 1-year free service


One of the biggest advantages of DEWALT DC390B is its affordability. It actually has professional-grade specifications yet it is affordable enough for any DIY enthusiast. The capability of cutting various types of materials such as construction lumber and hardwood allows users to work on many different projects without even using multiple tools. Versatility aspect gets better with the power tool’s 0-50 degrees bevel capacity.

Another good feature is its compatibility with any 18V battery by the manufacturer. It is possible to use the battery from an existing DEWALT’s tool to power the DC390B Cordless Circular Saw.

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The DC390B Circular Saw by DEWALT is sold as bare-tool, meaning the package does not include the battery and charger. In other words, the saw is not ready out-of-the box since you need to purchase the battery pack separately. It is, however, compatible to any 18V battery from the same company, so it can be used as a replacement for the old tool, a spare, or simply an addition to the existing line of power tools.

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