DEWALT DCK277D2 Drill & Impact Driver Kit vs DeWalt DCK299M2 Hammer Drill and Impact Driver Kit
Buy the DCK299M2 if you drill masonry, drive long fasteners or want the most torque and runtime. Its DCD996 hammer drill adds a hammer mode, a 3-speed all-metal transmission and 0-38,250 BPM, and its DCF887 impact driver delivers 1,825 in-lbs versus 1,500 on the DCK277D2. The DCK277D2 is the lighter, simpler kit: a 340 UWO drill/driver and a 2.0 lb impact driver that fit tight spaces, with 2.0 Ah batteries that suit light to medium work. Reviewers of the DCK299M2 praise the power and battery life but note the hammer drill's 4.7 lb weight; owners of the DCK277D2 like the compact size and call the 2.0 Ah packs the main limit.
- Choose the DEWALT DCK277D2 if you mostly drill wood and metal, drive screws, and want a compact, light kit that is easy to carry and store.
- Choose the DEWALT DCK299M2 if you drill concrete or brick, drive large fasteners, or want maximum torque and longer runtime from 4.0 Ah batteries.
Prices
- DEWALT DCK277D2 Drill & Impact Driver Kit: $88.00 at Tool Pass Pro (last seen Nov 8)
- DeWalt DCK299M2 Hammer Drill and Impact Driver Kit: $319.00 at Arbor (last seen Nov 8)
- Difference: the DEWALT DCK277D2 Drill & Impact Driver Kit is $231.00 cheaper than the DeWalt DCK299M2 Hammer Drill and Impact Driver Kit at the latest prices (Nov 8)

