DEWALT DCS391 Cordless Circular Saw (also referred to as the DCS391N for the bare tool version) is a powerful, lightweight 18V or 20V MAX* XR lithium-ion power tool designed for precise, versatile cuts in wood panels, MDF, and chipboard. As a bare tool, the battery and charger are sold separately.
Key Features
- Powerful Motor: The highly efficient, fan-cooled PM58 motor with replaceable brushes delivers a no-load speed of up to 5,150 RPM (on updated models), ensuring fast and smooth cutting action.
- Durable Construction: Features a high-strength, lightweight cast magnesium base (shoe) and guard for repetitive, accurate cuts and long-term job site durability.
- Ergonomic Design: The handle set includes a rubber overmold for improved comfort, optimal balance, and better control during prolonged use.
- Adjustable Cutting Versatility: Offers keyless bevel angle and depth of cut adjustments with easy-to-read scales. It has a bevel capacity of up to 50 degrees for a wide range of applications.
- Safety & Control: Includes an intelligent variable speed trigger for total control, a lock-off switch, and an electric motor brake that quickly stops the blade for added safety.
- Easy Blade Changes: A convenient spindle lock mechanism simplifies the process of changing the 165 mm (6-1/2-inch) blade using the included hex key.
Technical Specifications
| Specification | Detail |
|---|---|
| Voltage | 18V / 20V MAX* |
| Blade Diameter | 165 mm (6-1/2 inches) |
| No Load Speed | 5,150 RPM (later models; earlier models were 3,700 RPM) |
| Max. Depth of Cut @ 90° | 55 mm (2-1/4 inches) |
| Max. Depth of Cut @ 45° | 42.1 mm (1-5/8 inches) |
| Bevel Capacity | 0° - 50° |
| Blade Bore Size | 20 mm (or 5/8 inch for US models) |
| Tool Weight (Bare) | Approx. 2.9 kg (6.4 lbs) - 3.2 kg (7.0 lbs) |
| Motor Type | Brushed |