--- 5 ---
6-2. Drilling Speed Comparisons
The figures below show the drilling speed of the Model D 10YB compared with the competitors' existing models.
(1) Drilling in steel
Model name
(2) Drilling in wood
6.5 mm dia.
10 mm dia.
D 10YB
Hitachi
D 10YA
Hitachi
B
C
30
25
20
15
10
5
0
Dr
illing speed (mm/min.)
15 mm dia.
22 mm dia. *
D 10YB
Hitachi
D 10YA
Hitachi
B
C
2,500
2,000
1,500
1,000
500
0
Dr
illing speed (mm/min.)
Model name
* Note that 22 mm dia.
drilling is more than the
maximum capacity of
the Model D 10YA and
C.
