Effective
for simple work on roads, ditching, breaking hard concrete structure, etc.
Hand Drill
These small-sized, medium-sized
and large-sized hand drills are suitable for downward drilling, in particular.
Since these drills are well balanced
and do not react much, the workers can drill efficiently.
Widely used for breaking rocks
in quarries or for road constructions and other civil engineering
work.
Leg Drill These small-sized, medium-sized and large-sized
drills for horizontal drilling are highly evaluated in mines,
tunnel construction, dam construction, etc.
Air Auger
These drills can drill soft rocks and clayey rocks which cannot be
drilled easily with impact rotary drills.