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Drilling and Driving
(Fig. 1)
You will extend the life of your bits and do
neater work if you always put the bit in con-
tact with the work before pulling the Vari-
able Speed Trigger Switch 1. During the op-
eration, hold the tool firmly and exert light,
steady pressure. Too much pressure at low
speed will stall the tool. Too little pressure
will keep the bit from cutting and cause ex-
cess friction by sliding over the surface. This
can be damaging to both tool and bit.
Drilling with Variable Speed
(Fig. 1)
The Variable Speed Trigger Switch 1 allows
you to slowly increase RPM. By using a slow
starting speed, you are able to keep the bit-
from "wandering."
You can increase the speed as the bit "bites"
into the work by squeezing the trigger.
Driving with Variable Speed
Prior to driving screws, pilot and clearance
holes should be drilled. Place the threaded
end of the screw in the pilot or clearance
hole and start driving the screw slowly, in-
creasing the speed as the screw runs down.
Set the screw snugly by slowing to a stop.
Fastening with Screws
(Fig. 17 — Fig. 22)
The procedure will enable you to fasten
materials together using your drill without
stripping, splitting, or separating the mate-
rial.
1. Clamp the Top Piece 37 and Bottom
Piece 38 together
2/3 the Thread Diameter of the Screw
39
. If the material is soft, drill only
2/3 the proper length
drill the entire length
2. Unclamp the pieces and drill the hole
in the top piece of wood to the same
diameter as the Shank Diameter of the
Screw 40
.
3. If a flat head screw is used, countersink
the hole to make the screw flush with
the surface
.
1600A034F4 AA Dremel DD12V OSI 20240729.indd 21
1600A034F4 AA Dremel DD12V OSI 20240729.indd 21
Drill/Driver Operating Tips
, and drill the hole
. If it is hard,
.
4. Realign the holes on the two pieces
and apply even pressure when driving
the screw
. The screw shank clear-
ance hole in the first piece allows the
Screw Head 41 to pull the pieces tightly
together.
Fig. 17
Fig. 18
41
37
38
40
39
21
7/29/2024 5:00:21 PM
7/29/2024 5:00:21 PM
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