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DEWALT DCS391 Circular Saw Review: Precision cuts for site and workshop

DEWALT DCS391 Circular Saw XR 165 mm Bare Unit, 9 W, 18 V, Yellow/Black
4.5
[Carbide Tipped Teeth]  24 teeth deliver efficient, fast cutting and smooth finish up to 55mm depth.
[Ultra-Thin Kerf]  165mm ultra-thin kerf for faster, more precise cuts.
[Keyless Bevel & Depth]  Adjust bevel angle and depth quickly with easy-to-read scale.
[Intelligent Trigger Control]  Responsive trigger provides total control across applications.
[Safety Brake System]  Lock-off switch plus electronic motor brake for added control and safety.
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A handheld power tool built to deliver fast, accurate cuts for carpentry and general home improvement, the DEWALT DCS391 Circular Saw promises cleaner finishes and straightforward adjustments. Lightweight handling helps reduce fatigue on long runs, keeping work moving. Is it the right saw for your toolkit and daily site use?

⚡ At a Glance
  • Cutting Quality: 24 carbide tipped teeth give efficient, fast run time and a smooth cut finish up to 55mm depth
  • Best for: DIYers and trade users needing a lightweight, handheld saw with adjustable bevel and depth controls
  • Not ideal for: Users who require a supplied battery and charger, or cuts deeper than 55mm

165mm blade with an ultra-thin kerf enables faster cutting with reduced resistance. Keyless bevel and depth scales combine with an intelligent trigger and motor brake for controlled, safer operation.


Fast, smooth cutting - thanks to 24 carbide-tipped teeth

Carbide-tipped teeth retain sharpness and, paired with a 165mm blade that has an ultra-thin kerf, lower cutting resistance so material is moved through the blade quickly. Descriptions state the configuration achieves a clean finish to a depth of up to 55mm.

Faster passes and a neater edge reduce finishing work and improve throughput on panel and timber tasks up to 55mm deep.

Quick angle and depth setup - with keyless bevel and depth adjustment

Keyless bevel angle and depth controls include an easy-to-read scale, allowing changes without tools and clear repeatable settings. Adjustments are designed for rapid on-the-fly configuration.

Set precise bevels and cutting depths for mitres or shallow grooves in seconds, keeping workflow steady on site.

Safer starts and stops - with intelligent trigger plus safety systems

An intelligent trigger gives controlled application of power while a lock-off switch prevents accidental starts and an electronic motor brake stops the blade quickly after release.

Improved control during start-up and faster blade stoppage reduce risk when working around people or switching between cuts.

✨ The 4 Key Reasons for DEWALT DCS391 Circular Saw
  1. Lightweight construction - Lighter weight reduces fatigue on lengthy cutting tasks and overhead work
  2. Ultra-thin 165mm kerf - Speeds through cuts with less material waste and reduced resistance
  3. Keyless bevel and depth scales - Enable quick, tool-free angle and depth changes for accurate joins
  4. Integrated safety systems - Lock-off switch and motor brake enable rapid blade stoppage and safer handling
📋 Technical Details at a Glance
  • Category: Home Improvement
  • Brand: DEWALT
  • Model: DCS391
  • Blade diameter: 165mm
  • Blade teeth: 24 carbide tipped teeth
❓ Frequently Asked Questions

Q: What maximum cutting depth can be expected?

A: The saw achieves a smooth cut finish to a depth of up to 55mm, as stated in the product description.

Q: Does the unit come with a battery and charger?

A: The listing indicates a bare unit, so battery and charger are not included and need to be supplied separately.

Q: Can bevel and depth be adjusted without tools?

A: Yes, keyless bevel angle and depth adjustments are provided, complete with an easy-to-read scale for rapid setup.

🏆 Our Verdict

Suited to DIYers and trade users who need a compact, manoeuvrable circular saw for accurate bevel and depth work. The combination of a 165mm blade with 24 carbide-tipped teeth, an ultra-thin kerf and built-in safety controls delivers efficient, cleaner cuts. Owners should factor in the need for a separate battery, but robust construction and reduced finishing work deliver good long-term value.