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DEWALT DCS391M2 18v 165mm Circular Saw with 2x4ah Batteries

DCS391M2-GB Product Overview

The DeWalt DCS391 is a versatile and efficient 18V cordless circular saw, designed to cater to the needs of both professionals seeking reliable performance and DIY enthusiasts looking for a user-friendly tool. Weighing in at a mere 3.5kg, this lightweight powerhouse doesn't compromise on power, boasting a high-performance motor capable of delivering 3700 RPM for swift and precise cuts. Its compact design and ergonomic handle ensure comfortable handling and reduced fatigue, even during extended use.

Part No: DCS391M2-GB(DEWPDCS391M2)

DCS391M2-GB Technical Specifications

  • Voltage: 18v
  • Blade diameter: 165 mm
  • No-load speed: 3700 rpm
  • Max cutting depth at 90°: 55 mm
  • Max cutting depth at 45°: 40 mm
  • Bevel capacity: 50°
  • Weight (bare tool): 3.5 kg

DEWALT DCS391M2 18v 165mm Circular Saw with 2x4ah Batteries

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DCS391M2-GB Key Features

  • Powerful and efficient motor: Delivers high cutting performance for various applications.
  • Lightweight and compact design: Ensures comfortable handling and maneuverability, reducing fatigue during prolonged use.
  • Durable construction: Features a cast magnesium base and guard for enhanced durability and longevity.
  • Bevel capacity: Offers up to 50° bevel cuts for versatile angled cutting.
  • Intelligent trigger: Allows for precise control and smooth operation.
  • Spindle lock: Enables quick and easy blade changes.
  • Tool-free depth adjustment: Facilitates quick and convenient depth setting adjustments.
  • Electric brake: Stops the blade quickly for enhanced safety.

DCS391M2-GB What’s Included

  • 2x 18v 4Ah Batteries
  • Fast Charger
  • T-Stak Carry Case
  • 165mm Blade
  • Hex Key
  • Parallel Guide
  • Number of Batteries Supplied: 2
  • Voltage: 18v
  • Size: 165mm
Delivery & Returns
Delivery & Returns
We offer free delivery on orders over £55, placed before 4pm Monday to Thursday. Note that next day delivery for orders placed after 4pm on Thursday, up to 4pm Friday, is usually Monday (excluding bank holidays). Estimated delivery for all orders placed over a weekend is Tuesday. Note that due to the size and weight of some products, next working day delivery is not available and additional carriage charges will apply. If you would like to return your goods, we will offer a full refund or exchange within 30 days of purchase. For full details, visit our delivery and returns page. Ts&Cs apply.
What should I look for when buying a Cordless Circular Saw?

Cordless Circular Saws are powerful tools which enable you to work around any home or jobsite without the potential trip hazard associated with power cables. However, it is important to choose the right saw for the work you’ll be doing with it. There are a lot of things to think about, including blade size as this affects cutting capacity and maximum cutting depth, the bevels at which the saw operates and the speed at which the blade moves, as the greater the revolutions per minute (RPM) a saw provides, the greater control you have over the cut.
Our range of Cordless Circular Saws covers a range of blade sizes, from 85 mm through to 190 mm. Larger blades offer greater cutting capacity and a larger maximum cutting depth. It’s important to think about the blade(s) supplied and / or available for the saw you’re looking to buy. As you’d expect, we have a range of Circular Saw Blades which covers all sorts of sizes and job types.
It’s also worth thinking about the kind of cuts you will be making. Some saws are better suited to straight cuts, others work better at a 45-degree angle, so it’s well worth checking the product specification before making a buying decision.

Which is better: brushless or brushed motors?

Brushed motors use carbon brushes to transfer power from the fixed part of the motor to the rotor. This creates a reliable and relatively inexpensive motor, but brushed motors do require regular maintenance, in order to either clean the brushes or replace them as they wear out. A brushless motor, by contrast, uses a magnet mounted on the rotor to generate the power and electrical switching to perform the function carried out by the brushes. The additional complexity of the motor’s working means that brushless motors are usually more expensive than brushed.
However, eliminating the brushes also eliminates internal friction and maintenance, meaning that brushless motors offer both increased power and a longer working life. Brushless motors also generate less heat and noise and so, on balance, are considered superior to brushed motors.

Which voltage should I choose?

Our range of Cordless Circular Saws starts with 12v machines, but the increased power and relative affordability of 18v tools means this has become the industry standard, particularly as the 18v machines offer much more power without a huge increase in tool size. Professionals who need more power from their Circular Saw for working on site could also consider the 40v XGT range from Makita or DeWalt’s 54v FLEXVOLT machines.

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All of our products come with a standard 1 year manufacturers warranty, however if you would like to discuss extending this warranty, please contact our customer service team on 03330 043777, or email For further warranty information from this specific manufacturer, visit our warranty page.

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