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DeWalt DCF850 Review: Maximum Impact in a Tiny Body

At roughly 101 mm long, the DCF850 delivers up to 205 Nm and fits where conventional impact drivers struggle.

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DeWalt DCF850 Review: Maximum Impact in a Tiny Body product image

Quick verdict

One of the best compact impact drivers for installers and tradespeople who work inside cabinets, corners and other confined spaces.

Key specifications

  • 18V XR brushless motor

  • Up to 205 Nm torque

  • Approximately 101 mm long

  • Three operating modes

  • Three-LED ring work light

What we like

  • Exceptionally compact

  • Powerful for its size

  • Excellent work-area lighting

What to consider

  • Premium price

  • High torque needs care on small fasteners

Who should buy it?

Best for kitchen fitting, electrical work, long screws and tight-access fastening.

Final verdict

ToolFactor verdict: 9/10 — the compact impact-driver standout.

Specifications were checked against published manufacturer information. This is a research-based assessment and does not claim hands-on testing.
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