DeWalt DCF850B — 20V MAX ATOMIC 1/4″ Impact Driver
DeWalt
20V MAX ATOMIC
⭐ 4.7/5
20V MAX ATOMIC
⭐ 4.7/5
Ultra-compact impact driver that fits into tight spaces where full-size drivers can’t reach.
| Key Specifications | |
|---|---|
| Voltage | 20V |
| Motor | Brushless |
| Max Torque | 1,700 in-lbs |
| Max Speed | 0-3,250 RPM |
| Weight (bare tool) | 2.1 lbs |
| Drive | 1/4″ Hex |
| Impact Rate | 0-3,800 IPM |
| Modes | 3-Speed Control |
| Street Price | $100–$140 |
Pros & Cons
✅ Pros
- Incredibly compact — only 4.3″ front-to-back
- 3-speed settings for fastener control
- Bright 3-LED ring light
- Very affordable for a brushless driver
❌ Cons
- Lower torque than FUEL/XR competitors
- No auto-tapping screw mode
- Small size may feel cramped for large hands
🔋 Battery Compatibility
Compatible with all DeWalt 20V MAX batteries. The compact 2.0Ah POWERSTACK is the ideal pairing.
🎯 Best For
- Cabinet installation
- Electrical box work
- Light framing and deck screws
- Tight-space fastening
❓ Frequently Asked Questions
What does ATOMIC mean?
ATOMIC is DeWalt’s compact series — smaller and lighter than full-size tools but with brushless motors.
How does it compare to the DCF887?
The DCF850 is shorter (4.33″ vs 5.3″ head length) but has slightly less torque (1,700 vs 1,825 in-lbs).
Can I use it for automotive work?
For removing lug nuts or bolts, you’ll want an impact wrench. This impact driver is designed for screws and small bolts.