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Drilling in wood
When drilling in wood, best results are obtained with wood drills equipped with
a
guide
screw, The guide screw makes drilling easier by pulling the bit into the workpiece.
To prevent the bit from slipping when starting
a
hole, make an indentation with
a
center-
punch and hammer
at
the point to be drilled.
Place
the point of the bit in the indenta-
tion and start drilling.
Use
a
cutting lubricant when drilling metals. The exceptions are iron and brass which
should be drilled dry.
Drilling in metal
CAUTION
:
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Pressing excessively on the tool will not speed up the drilling. In fact, this excessive pres-
sure will only serve to damage the tip of your bit, decrease the tool performance and
shorten the service
life
of the tool.
.There
is
a
tremendous force exerted on the tool/bit
at
the time of hole breakthrough.
Hold the tool firmly and exert care when the bit begins to break through the workpiece.
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A stuck bit can be removed simply by setting the reversing switch to reverse rotation in
order to back out. However, the tool may back out abruptly if you do not hOle
it
firmly.
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Always secure small workpieces in
a
vise
or similar hold-down device.
CAUTION
:
If the tool
is
operated continuously until the battery cartridge has discharged, allow the
tool to rest for
15
minutes before proceeding with
a
fresh battery.
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