Comparisons With Similar Products; Specification Comparisons - Hitachi WR 22SA Technical And Service Manual

6. COMPARISONS WITH SIMILAR PRODUCTS

6-1. Specification Comparisons

Maker
Item
Ordinary bolt
Capacity
High-tension bolt
Max. tightening torque
Square drive dimension
No-load rotation speed
Impact rate
Overall length x height
Center height
Main body weight
Note 1)
Motor specifications
Voltage
No-load rotation speed
Lock current
Input
Rated current
Max. efficiency
Type of switch
Insulation method
Carbon brush
Cord length
Soft handle
Note 1) The cord, socket and side handle are excluded.
Model
•
HITACHI
WR 22SA
M 14 --- M 24
M 16 --- M 22
N . m
610
kgf . cm
62.2
in . lbs
5,400
mm
19 (3/4")
/min
1,800
/min
2,000
303 x 236
mm
(11-15/16" x 9-9/32")
mm
43 (1-11/16")
kg
4.8 (10.6 lbs.)
Single phase AC
commutator motor
230
V
19,000
/min
A 17
W 850
A
3.9
%
57
Tumbler switch with
forward/reverse
changeover
pushing button
Double insulation
Mounted outside
m
2.5 (8.2 ft)
Provided
HITACHI
WH 22
M 14 --- M 24
M 16 --- M 22
588
60.0
5,210
19 (3/4")
1,600
1,800
328 x 224
(12-29/32" x 8-13/16")
43 (1-11/16")
5.0 (11.0 lbs.)
Single phase AC
commutator motor
230
18,000
19
850
3.9
55
Tumbler switch with
forward/reverse
changeover
pushing button
Double insulation
Mounted outside
2.5 (8.2 ft)
Not provided
--- 7 ---
C
M 16 --- M 22
M 16 --- M 20
588
60.0
5,210
19 (3/4")
1,700
1,600
325 x 240
(16-3/8" x 9-9/32")
(12-25/32" x 9-7/16")
45 (1-25/32")
46 (1-13/16")
5.0 (11.0 lbs.) 5.7 (12.6 lbs.)
Single phase AC
Single phase AC
commutator motor
commutator motor
230
17,500
620
2.8
Variable-speed trigger
Tumbler switch with
switch with forward/
forward/reverse
reverse changeover
changeover
pushing button
pushing button
(stepless)
Double insulation
Double insulation
Mounted outside
Mounted inside
2.5 (8.2 ft)
Not provided
<Table 1>
B
M 24
600
61.2
5,310
19 (3/4")
1,260
950
416 x 236
230
23,000
800
3.9
2.5 (8.2 ft)
Not provided