DeWalt DCK299D1T1 vs. DCK299M2

We all know that DeWalt is a leader in the construction and home tool manufacturing industry. Even if you’re not a fan, you may know someone who swears by their name and remains loyal to the brand. That’s because DeWalt gives the most reliable power tools in the market today.

Most of us tend to favor a certain brand once we have proven their worth. There are advantages of sticking with one brand of tools. Some offer versatility in the batteries and chargers, while some complement other tools of the same line.

Whatever your preference is, getting a combo kit can be more cost-effective than getting each tool separately. Combo kits can be a good starting point for those just starting their projects but can also be good for those who want more tools but have limited budgets.

We have reviewed two of DeWalt’s hammer drill and impact driver combo kits to know if they are what they say they are. Read on if you’re planning to do some DIY projects around the house, or if you want to add some more pieces to your tool collection.

DeWalt DCK299D1T1 20V Premium Hammer Drill and Impact Combo Kit

DEWALT DCK299D1T1 FLEXVOLT 60V MAX / 20V MAX Lithium-Ion XR Brushless Hammerdrill and Impact Combo KitOne of the most exciting features of this combo kit is the batteries that the tools use. With DeWalt’s FlexVolt technology, the batteries change their voltage when used with different tools. The 20V batteries can be used on tools that operate on 20V, 60V, and 120V.

The tools determine how much voltage it needs and the batteries will automatically change the voltage. It is much like having a 20V batteries for your cordless drill but with the power of corded in 60V and 120V. This is especially helpful when completing jobs that require different tools with different voltages.

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This combo kit includes the DCD996 hammer drill and the DCF887 impact driver. Both tools have three built-in LED lights that are placed around the chuck. The lights have a 20-second delay that you can use as a flashlight when looking for screws or when rummaging through your toolbox.

The hammer drill delivers 38,250 BPM and a high-performing all-metal transmission. It has three speeds up to 2,000 RPM that allows you to work on different types of materials and applications. Weighing just 4.7 pounds and measuring 8.4 inches in length, this is the perfect tool for working long hours in small and cramped spaces.

The impact drill can provide you with 1,825 in. lbs. of max torque with speeds of up to 3,250 RPM and up to 3,600 IPM. It has a variable speed trigger and three-speed transmission to give you precision and control. Weighing only 3.4 pounds with a 5.3 inches front-to-back length, it will let you work in difficult angles without causing strain on your arms and hands.

This combo kit also contains a 360-degree rotatable side handle, two belt hooks, and a sturdy contractor bag. Also included is a rapid charger for the batteries that can replenish the juice in under an hour.

Pros: This is the perfect kit if you do a lot of masonry and carpentry work. Recommended for professionals and contractors alike.

  • Runs on FlexVolt batteries
  • Compact and lightweight
  • Comes with 3-speed modes for adjustments
  • Powered by brushless motors
  • Excellent ergonomics

Cons: There are reports of the chucks getting loose while in use, but we didn’t experience it ourselves. In this case, we suggest tightening the chuck before starting any work to avoid this.

  • The chuck has a tendency to get loose
  • The hammer drill makes a slight noise
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DeWalt DCK299M2 20V Premium Hammerdrill and Impact Driver Combo Kit

DEWALT 20V MAX XR Brushless Impact Driver and Hammer Drill Combo Kit, Premium 4.0Ah (DCK299M2)The DCK299M2 combo kit is composed of the same hammer drill and impact driver as those in the DCK299D1T1. Included in this combo kit are the DCD996 hammer drill and the DCF887 impact driver. You can check out the difference in the product comparison below.

Pros: For most drilling, driving, and fastening applications, this kit will do the job with ease. It has smart features that will make deck building, furniture assembly, and even drilling pilot holes through concrete easier and more convenient.

  • Uses brushless motors
  • Ergonomically designed
  • Compact and lightweight
  • Built-in LED lights
  • Comes with two belt clips, a contractor bag, a charger, and two 4.0Ah batteries

Cons:¬†There is not much negative we can find with this set other than the noise coming from the hammer drill which isn’t really something bothersome as all drills tend to make some noise.

Product Comparison:

As mentioned above, both the DCK299D1T1 and the DCK299M2 combo kits have the same impact drivers and hammer drills in them. There are only three differences that we found, and they are the price, the charger, and the batteries.

The DCK299D1T1 comes with the DCB606 20V/60V Lithium-Ion battery. It uses DeWalt’s trademark FlexVolt Technology that is a game changer in operating cordless drills. It has both 6.0 Ah/2.0 Ah capacity which means more runtime and increased productivity.

The DCK299M2 runs on DCB204 20V MAX* XR High Capacity Lithium-Ion batteries that have 4.0 Ah capacity. This kit comes with two individual 4.0Ah 20V MAX batteries compared to just the one FLEXVOLT battery that the DCK299D1T1 has.

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The DCK299M2 comes with the DCB115 battery charger that can charge all DeWalt 12V to 20V MAX* Lithium-Ion batteries. It can recharge the batteries in under 90 minutes that will decrease your downtime quickly.


If you have other 60V or 120V DeWalt cordless tools that use batteries with the FlexVolt technology, getting the DCK299D1T1 combo kit will give you more advantages. Batteries that use the FlexVolt Technology are compatible with other DeWalt 20V MAX tools and those with higher voltages as well.

If you don’t have high-voltage tools, then the DCK299M2 is your better option. The two 4.0Ah batteries that come with it will work with other 20V MAX DeWalt tools.