--- 12 ---
800.0
700.0
600.0
500.0
400.0
300.0
200.0
100.0
0.0
6
8
10
12
14
16
18
20
22
24
HITACHI DH 24PC3
B
C
HITACHI DH 24PC2
6-2. Drilling Speed Comparison
Drilling speed varies considerably depending on the work conditions. Use the factory test results shown in Fig. 1
for comparison purpose only.
Fig. 1
Drill bit dia. (mm)
Drilling speed (mm/min.)
[Test conditions]
Direction
: Downward drilling
Pushing force
: 98 N (10 kgf)
Test material
: Concrete panel with a compression strength of 2,352 N/cm
2
(240 kgf/cm
2
)
Summary of Contents for DH 24PC3
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