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6. COMPARISONS WITH SIMILAR PRODUCTS
6-1. Specification Comparisons
Maker
•
Model
Item
Capacity
Drill bit dia. (mm)
Core bit dia. (mm)
(W)
(J)
(min
-1
)
(dB(VL))
Power input
Impact energy per stroke
Full-load rotation rate
Full-load impact rate
Full-load vibration level
No-load noise level
Full-load noise level
Dimensions
Insulation structure
Length
Height
Width
(mm)
(kg)
* Weight does not include cord and side handle.
(min
-1
)
(dB(A))
(dB(A))
(mm)
(mm)
Weight *
HITACHI
DH 40SR
40
(1-9/16")
950
10
510
2,800
120
(4-3/4")
118
95
79
435
(17-1/8")
255
(10-3/64")
104
(4-7/64")
6.5
(14.3 lbs.)
Double insulation
38
(1-1/2")
1,130
8
270
3,300
118
(4-21/32")
120
96
87
435
(17-1/8")
245
(9-21/32")
108
(4-1/4")
7.7
(17.0 lbs.)
Single insulation
C
2,800
360
DH 40SA
HITACHI
40
(1-9/16")
950
8
105
(4-1/8")
118
95
88
425
(16-23/32")
252
(9-15/16")
103
(4-1/16")
6.5
(14.3 lbs.)
Double insulation
Summary of Contents for DH 40SR
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