Drilling Speed Comparisons - Hitachi DH 25DL Technical Data And Service Manual

25.2 v cordless rotary hammer; 36 v cordless rotary hammer
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2. Drilling speed comparisons

Drilling speed depends on the operating conditions. The test result is based on actual factory tests, and is
used as a reference only. The drilling speed comparisons for downward drilling. The drill bits used are the
Hitachi genuine SDS-plus shank bits.
Pressing force: 10kgf
Test material: Concrete panel with a
compression strength of 240 kgf/cm
-6-
2

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