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OPERATION
CAUTION :
• Make sure that the driver bit is inserted straight in the screw head, or the screw
and/or bit may be damaged.
• When driving wood screws, predrilled pilot holes to make driving easier and to
prevent splitting of the work piece. See the chart.
• If the tool is operated continuously until the battery pack has discharged, allow
the tool to rest for 15 minutes before proceeding with a fresh battery.
Nominal diameter of wood screw
1/8'' (3.1 mm)
9/64'' (3.5 mm)
5/32'' (3.8 mm)
11/64'' (4.5 mm)
3/16'' (4.8 mm)
13/64'' (5.1 mm)
7/32'' (5.5 mm)
7/32'' (5.8 mm)
15/64'' (6.1 mm)
Drilling operation
First, slide the fastening torque the position of
Drilling in wood
When drilling in wood, the best results are obtained with wood drills equipped with
a guide screw. The guide screw makes drilling easier by pulling the bit into the
work piece.
Drilling in metal
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
indentation and start drilling. Use a cutting lubricant when drilling metals. The
exceptions are iron and brass which should be drilled dry.
CAUTION :
a) Pressing excessively on the tool will not speed up the drilling. In fact, this
excessive pressure will only serve to damage the tip of your bit, decrease the tool
performance and shorten the service life of the tool.
b) There is a tremendous force exerted on the tool/bit at the time of hole break
through. Hold the tool firmly and exert care when the bit begins to break through
the work piece.
c) 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
hold it firmly.
d) Always secure a small work piece in a vise or similar hold down device.
e) If the tool is operated continuously until the battery pack has discharged, allow
the tool to rest for 15 minutes before proceeding with a fresh battery.
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Recommended size of pilot hole
5/64'' - 3/32'' (2.0-2.2 mm)
3/32'' - 3/32'' (2.2-2.5 mm)
3/32'' - 7/64'' (2.5 - 2.8 mm)
7/64'' - 1/8'' (2.9-3.2 mm)
1/8'' - 9/64'' (3.1-3.4 mm)
1/8'' - 9/64'' (3.3-3.6 mm)
9/64'' - 5/32'' (3.7-3.9 mm)
5/32'' - 11/64'' (4.0-4.2 mm)
11/64'' - 11/64'' (4.2-4.4 mm)
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