General
Model
DCD771C2
LDX120C
GCO18SFB
Manufacturer
Dewalt
BLACK+DECKER
Black & Decker
Amazon rating
4.6
4.5
4.3
Customer reviews on Amazon
2622
3830
648
Product Features
Chuck Size
1/2 inches
3/8 inches
3/8 inches
Chuck Type
Keyless
Keyless
Keyless
System
20V Max
20V Max
18V Max
Style
Drill
Drill/driver
Drill/driver
Cutting
Minimum Cut
6 mm
Maximum Cut
19 mm
7.5 inches
1/2 inches
Max Capacity in Metal
1/2 mm
1/2 inches
1/2 inches
Max Capacity in Wood
19 mm
1/2 inches
1/2 inches
Max Capacity in Masonry
10 mm
1/2 inches
1/2 inches
Power
Power Source
Battery-Powered
Cordless-electric
Electric-powered
Batteries Included
Batteries Required
Battery Cell Type
Lithium Ion
Lithium Ion
NiCAD
Voltage
20 V
20 V
18V
Wattage
300 W
300 W
1250W
Average Battery Life
13.2 hours
1 hours
1 hours
Spesifications
No Load Speed
0-450/0-1,500 RPM
650 RPM
1200 RPM
Max Torque
300 inches
115 inches
Torque Settings
16
16
22
Number of Handles
1
1
1
BPM
250
3500
3500
Noise Sound
Noise Sound pressure
70 dB
78 dB
70 dB
Noise Sound power
110 dB
96 dB
Vibration
Drilling
2.5 m/s?
2.5 m/s?
2.5 m/sec?
K factor
1.5 m/sec?
1.5 m/sec?
Hammer Drilling
15 m/s?
Special Features
Lightweight
LED Worklight
Always Ready
Dimensions
Size
13.9 x 9.9 x 4.2 inches
10.6 x 3.7 x 8.5 inches
13.3 x 9.6 x 3.7 inches
Weight
3.6 pounds
3.4 pounds
5.4 pounds