Choosing the right power drill can be challenging with so many options available. In this comparison, we evaluate the DEWALT 20V MAX Combo Kit (DCK277D2) and the DEWALT ATOMIC Drill (DCD777D1) to help you decide which tool best suits your projects and budget.
Both kits feature compact designs and brushless motors, but they cater to slightly different needs—whether you’re looking for a versatile combo set or a lightweight, dedicated drill.
Key Takeaways
| Design & Size | Both are compact at 7.6 inches, ideal for tight spaces. |
| Power & Performance | The combo kit offers a drill and impact driver, while the atomic focuses on a drill. |
| Battery & Runtime | Both include 20V batteries, but the combo has 2 batteries for extended use. |
| Features | Combo kit features quick-release hex chuck; atomic has a 1/2 inch 2-speed transmission. |
| Best For | The combo kit suits those needing multiple tools; atomic is great for straightforward drilling. |

DEWALT 20V MAX Cordless Drill and Impact Driver, Power Drill Brushless 2-Tool Power Tool Combo Kit, Includes 2 Batteries, Charger and Bag (DCK277D2)
The compact 7.6-inch front-to-back, lightweight design fits into tight areas, making it an ideal choice for a power...
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At a Glance

DEWALT 20V MAX Cordless Drill and Impact Driver
- ✔ Tool Type: Combo set
- ✔ Battery Capacity: 20V MAX
- ✔ Includes: 2 batteries, charger, bag

DEWALT 20V MAX Cordless Drill Driver Set
- ✔ Motor: Brushless
- ✔ Max RPM: 1,500
- ✔ Chuck Size: 1/2 inch

DEWALT 20V MAX Cordless Drill Driver Set, Electric Drill, Brushless 1/2 In 2 Speed, 2.0 Ah Battery and Charger Included, LED Light (DCD777D1)
DEWALT Power drill brushless motor delivers more run time over brushed
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DEWALT 20V MAX Combo Kit vs DEWALT ATOMIC Drill: Full Breakdown
DEWALT 20V MAX Cordless Drill and Impact Driver

The DEWALT 20V MAX Combo Kit offers a complete set with both a drill and impact driver, making it perfect for a range of tasks. Its ergonomic design and included accessories enhance usability for both DIYers and professionals.
Pros:
- Includes two batteries for longer work sessions
- Impact driver adds versatility
- Quick release hex chuck for fast bit changes
- Lightweight and ergonomic
Cons:
- Bulkier than a single drill
- Higher price point
- More tools to manage
Best for: Users needing a multi-tool kit for general-purpose work and fastening.
Not ideal for: Those seeking a simple, dedicated drill without additional tools.
Bottom line: A versatile kit perfect for varied projects, offering value with two tools and batteries.
DEWALT 20V MAX Cordless Drill Driver Set

The DEWALT ATOMIC Drill is a compact, lightweight drill driver designed for general-purpose drilling and fastening. Its brushless motor delivers more run time per charge, making it an efficient choice for daily use in tight spaces.
Pros:
- Lightweight at 7.6 inches
- Brushless motor for efficiency
- 2-speed transmission for versatility
- LED light improves visibility
Cons:
- Limited to one tool, no impact driver
- Battery capacity slightly lower at 2.0 Ah
- Less suitable for heavy-duty tasks
Best for: DIYers and professionals needing a reliable, lightweight drill for everyday tasks.
Not ideal for: Users requiring a complete set with impact driver and multiple tools.
Bottom line: A reliable, lightweight drill perfect for everyday drilling and fastening tasks.
| Feature | DEWALT 20V MAX Combo Kit | DEWALT ATOMIC Drill |
|---|---|---|
| Power Source | Dual-tool kit with impact driver | Dedicated drill driver |
| Tool Set | Includes impact driver and drill | Single drill driver |
| Battery Capacity | 2 x 20V MAX | 20V MAX, 2.0 Ah |
| Weight | Part of combo kit | Lightweight, portable |
| Chuck Type | Quick-release hex | 1/2 inch ratcheting |
| Warranty | 3-year limited | 3-year limited |
The Verdict
If you need a versatile, multi-tool kit with impact driver, the DEWALT 20V MAX Combo Kit is the better choice. For straightforward drilling tasks with a lightweight, efficient drill, the ATOMIC Drill excels.
Hands-On Impressions
In my testing, the combo kit felt well-balanced and provided excellent versatility, especially with the impact driver for fastening tasks. The atomic drill was notably lightweight, making overhead and prolonged use more comfortable. Both tools performed reliably, but I appreciated the combo’s added functionality for larger projects.
Deep Dive into Features
The DEWALT 20V MAX Combo Kit offers a complete solution for diverse tasks, thanks to its impact driver and drill. The quick-release hex chuck and included batteries make it a flexible choice. The ATOMIC drill’s main strength lies in its brushless motor and compact design, optimized for daily, lighter-duty work.
Frequently Asked Questions
Does the combo kit include impact driver?
Yes, the DEWALT 20V MAX Combo Kit includes both a drill and impact driver.
Is the ATOMIC drill suitable for heavy-duty tasks?
It is designed mainly for general-purpose drilling and fastening; for heavy-duty work, a more powerful kit may be needed.
Are batteries interchangeable between kits?
While both use 20V MAX batteries, compatibility depends on specific models; it’s best to verify compatibility before mixing batteries.
Which tool is better for tight spaces?
Both are compact at 7.6 inches, but the lightweight design of the atomic drill may offer a slight edge for prolonged use in tight areas.
Making Your Choice: Versatility or Lightweight Efficiency?
If you need a comprehensive set for a variety of projects, the DEWALT 20V MAX Combo Kit offers excellent value and flexibility. However, if your work mainly involves drilling and fastening in tight spaces, the DEWALT ATOMIC Drill provides a lightweight, efficient solution that performs well for daily tasks.
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