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Holding
tool
Hold the
tool
as shown in the figure.
When drilling a large diameter hole,
the
tool
frimly with both hands.
hold
Drilling in metal
Punch a small hole in the metal
to
prevent
the
bit from skittering when starting
to
drill a hole.
Use cutting lubricant on the bitto facilitate
drilling if necessary.
Pressing down
too
hard on the
tool
will
not speed up the drilling. In fact, this undue pres-
sure will only serve
to
damage the tip of your drill bit, decrease your drilling performance
and shorten the service life of the
tool.
There
is
a tremendous force exerted on the tool/bit at the time of hole break through.
Grip the drill firmly and exert care when the bit begins
to
break through the material.
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