Our choice
Compare DC970K-2
Our choice
Compare DCD791D2

General

Model

DC970K-2
GCO18SFB
DCD791D2

Manufacturer

DEWALT
Black & Decker
DEWALT

Amazon rating

4.6
4.3
4.8

Customer reviews on Amazon

3886
648
218

Product Features

Chuck Size

1/2 inches
3/8 inches
1/2 inches

Chuck Type

Keyless
Keyless
Brushless

System

18V Max
18V Max
20V Max

Style

Drill/driver
Drill/driver
Drill/driver

Cutting

Minimum Cut

1 inches

Maximum Cut

2 inches
1/2 inches
1 inches

Max Capacity in Metal

1 inches
1/2 inches
13 inches

Max Capacity in Wood

1 inches
1/2 inches
40 inches

Max Capacity in Masonry

2 inches
1/2 inches
13 inches

Power

Power Source

Cordless-electric
Electric-powered
Battery-Powered

Batteries Included

Batteries Required

Battery Cell Type

NiCAD
NiCAD
Lithium Ion

Voltage

18V
18V
20V

Wattage

380W
1250W
460W

Average Battery Life

1 hours
1 hours
1.5 hours

Spesifications

No Load Speed

1750 RPM
1200 RPM
2000 RPM

Max Torque

450 inches
240 inches

Torque Settings

22
15

Number of Handles

1
1
1

BPM

8500
3500
250

Noise Sound

Noise Sound pressure

87 dB
70 dB
90 dB

Noise Sound power

98 dB
96 dB
101 dB

Vibration

Drilling

1.5 m/sec?
2.5 m/sec?
2.5 m/s?

K factor

1.5 m/sec?
1.5 m/sec?

Hammer Drilling

1.5 m/sec?
11.5 m/s?

Special Features

Lightweight

LED Worklight

Always Ready

Dimensions

Size

14.8 x 13.5 x 4.7 inches
13.3 x 9.6 x 3.7 inches
16.2 x 4.5 x 10.1 inches

Weight

4.7 pounds
5.4 pounds
3.5 pounds