Our choice
Compare DCD791D2
Our choice
Compare DS18DGL

General

Model

DCD791D2
DS18DGL
DDB181-02

Manufacturer

DEWALT
Hitachi
Bosch

Amazon rating

4.8
4.4
4.4

Customer reviews on Amazon

204
219
370

Product Features

Chuck Size

1/2 inches
1/2 inches
1/2 inches

Chuck Type

Brushless
Keyless
Keyless

System

20V Max
18V Max
18V Max

Style

Drill/driver
Drill/driver
Drill/driver

Cutting

Minimum Cut

1 inches
1 inches

Maximum Cut

1 inches
2 inches
3 inches

Max Capacity in Metal

13 inches
1/2 inches
3/8 inches

Max Capacity in Wood

40 inches
1/2 inches

Max Capacity in Masonry

13 inches
5/8 inches
1/2 inches

Power

Power Source

Battery-Powered
Battery
Battery

Batteries Included

Batteries Required

Battery Cell Type

Lithium Ion
Lithium Ion
Lithium Ion

Voltage

20V
18V
18V

Wattage

460W
1W
36W

Average Battery Life

1.5 hours
1.5 hours
4 hours

Spesifications

No Load Speed

2000 RPM
2600 RPM
1300 RPM

Max Torque

240 inches
400 inches
350 inches

Torque Settings

15
22
21

Number of Handles

1
1
1

BPM

250
3200
28500

Noise Sound

Noise Sound pressure

90 dB

Noise Sound power

101 dB

Vibration

Drilling

2.5 m/s?
2.5 m/sec? 
2.5 m/s?

K factor

1.5 m/sec?
1.5 m/sec?

Hammer Drilling

11.5 m/s?

Special Features

Lightweight

LED Worklight

Always Ready

Dimensions

Size

16.2 x 4.5 x 10.1 inches
8.5 x 3.1 x 8.9 inches
14 x 3.5 x 11 inches

Weight

3.5 pounds
3.7 pounds
6.6 pounds