Comparisons With Similar Products; Specification Comparisons - Hitachi DM 20V Technical Data And Service Manual

6. COMPARISONS WITH SIMILAR PRODUCTS

6-1. Specification Comparisons

Product
Maker
Model
Concrete
Steel
Capacities
Wood
Rated power input
Low
No-load speed
High
Low
No-load impact
rate
High
Low
Max. torque
High
No-load noise level
Housing structure
Gear cover material
Safety clutch
Soft grip handle
Speed control dial
Type of reversing switch
Overall length
Chuck offset
Weight
* 1 : With safety clutch
* 2 : Depends on market
* 3 : With safety clutch
Masonry drill
HITACHI
DV 20VB2
DM 20V
20 (3/4")
mm (in.)
13 (1/2")
mm (in.)
40 (1-9/16")
40 (1-9/16")
mm (in.)
W 790
(120 V: 8.3 A)
/min. 0 1,000
/min. 0 3,000
0 13,000
/min. 0 9,000
0 39,000
/min. 0 27,000
N . m
1 54.1 (29.5)*
49.3 (28.6)*
N . m
1
20.9 (12.1)* 19.6 (10.7)*
78
dB
Cylindrical
Cylindrical
Aluminum
Aluminum
2
*
Pushing button
Pushing button
390 339(13-11/32")*
mm (in.)
(15-23/64") /333 (13-1/8")
mm (in.) 23.5 (15/16") 23.5 (15/16")
kg (lbs) 2.5 (5.5 lbs) 2.2 (4.9 lbs)
HITACHI
H
20 (3/4")
20 (3/4")
13 (1/2") 13 (1/2")
40 (1-9/16")
790
750
0 1,000
0 1,000
0 3,000 0 3,000
0 19,000
0 57,000
1
1
79 79
Cylindrical
Aluminum
2
*
Brush shift
3
368
(14-31/64")
27.5 (1-3/32")
2.3 (5.1 lbs)
--- 5 ---
Impact drill
C2
(Reference)
20 (3/4")
20 (3/4")
13 (1/2")
13 (1/2")
40 (1-9/16")
40 (1-9/16")
720
650
(120 V: 6.6 A)
0 1,200 0 950
0 2,900 0 2,900
0 12,350
0 24,000
0 58,000 0 35,700
43.4
14.2
81 78
Cylindrical Two halves
Aluminum Plastic
Pushing button
Lever
360 364
(14-3/16") (14-21/64")
24.5 (31/32") 29.0 (1-1/64")
2.3 (5.1 lbs) 2.0 (4.4 lbs)
B
(Reference)
20 (3/4")
13 (1/2")
40 (1-9/16")
800
0 1,100
0 3,000
0 17,600
0 48,000
87
Cylindrical
Aluminum
Brush shift
356
(14-1/64")
30.0 (1-3/16")
2.6 (5.7 lbs)