Dremel 100, 200, 3000 User Manual
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Operating/Safety Instructions
Consignes de fonctionnement/sécurité
Instrucciones de funcionamiento y seguridad
1-800-4-DREMEL (1-800-437-3635) www.dremel.com
Call Toll Free for
Consumer Information
& Service Locations
Pour obtenir des informations
et les adresses de nos centres
de service après-vente,
appelez ce numéro gratuit
Llame gratis para
obtener información
para el consumidor y
ubicaciones de servicio
P.O. Box 1468 Racine, Wisconsin 53401
100
200
3000
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2
Work area safety
Keep work area clean and well lit. Cluttered
or dark areas invite accidents.
Do not operate power tools in explosive
atmospheres, such as in the presence of
flammable liquids, gases or dust. Power
tools create sparks which may ignite the dust
or fumes.
Keep children and bystanders away while
operating a power tool. Distractions can
cause you to lose control.
Electrical safety
Power tool plugs must match the outlet.
Never modify the plug in any way. Do not
us e a ny adapter pl ug s with earthe d
(grounded) power tools. Unmodified plugs
and matching outlets will reduce risk of electric
shock.
Avoid body contact with earthed or grounded
surfaces such as pipes, radiators, ranges
and refrigerators. There is an increased risk
of electric shock if your body is earthed or
grounded.
Do not expose power tools to rain or wet
conditions. Water entering a power tool will
increase the risk of electric shock.
Do not abuse the cord. Never use the cord
for carrying, pulling or unplugging the power
tool. Keep cord away from heat, oil, sharp
edges or moving parts. Damaged or entangled
cords increase the risk of electric shock.
When operating a power tool outdoors,
use an extension cord suitable for outdoor
use. Use of a cord suitable for outdoor use
reduces the risk of electric shock.
If operating the power tool in damp locations
is unavoidable, use a Ground Fault Circuit
Interrupter (GFCI) protected supply. Use of
an GFCI reduces the risk of electric shock.
Personal safety
Stay alert, watch what you are doing and
us e co mmon sense w hen opera ting a
power tool. Do not use a power tool while
you are tired or under the influence of drugs,
alcohol or medication. A moment of inattention
while operating power tools may result in
serious personal injury.
Use personal protective equipment. Always
wear eye protection. Protective equipment
such as dust mask, non-skid safety shoes, hard
hat, or hearing protection used for appropriate
conditions will reduce personal injuries.
Prevent unintentional starting. Ensure the
sw itch i s i n the off-p ositi on befor e
connecting to power source and / or battery
pa ck, picki ng up or carrying the t ool.
Carrying power tools with your finger on the
switch or energizing power tools that have the
switch on invites accidents.
Remove any adjusting key or wrench before
turning the power tool on. A wrench or a key
left attached to a rotating part of the power
tool may result in personal injury.
Do not overreach. Keep proper footing and
balance at all times. This enables better
co ntrol of the power to ol in unexpe ct ed
situations.
Dress properly. Do not wear loose clothing
or jewelry. Keep your hair, clothing and
gloves away from moving parts. Loose
clothes, jewelry or long hair can be caught in
moving parts.
If devices are provided for the connection
of dust extraction and collection facilities,
ensure these are connected and properly
used. Use of dust collection can reduce dust-
related hazards.
Power tool use and care
Do not forc e the power to ol. Use the
correct power tool for your application. The
correct power tool will do the job better and
safer at the rate for which it was designed.
Do not use the power tool if the switch does
not turn it on and off. Any power tool that
ca nn ot be co nt ro ll ed wi th th e swi tc h is
dangerous and must be repaired.
Read all safety warnings and all instructions. Failure to follow the warnings
and instructions may result in electric shock, fire and/or serious injury.
SAVE ALL WARNINGS AND INSTRUCTIONS FOR FUTURE REFERENCE
The term “power tool” in the warnings refers to your mains-operated (corded) power tool or
battery-operated (cordless) power tool.
!
WARNING
General Power Tool Safety Warnings
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Hold po wer tool by insulat ed gripping
surfaces, because the cutter may contact
its own cord. Cutting a ”live” wire may make
exposed metal parts of the power tool ”live”
and shock the operator.
Use clamps or another practical way to
secure and support the workpiece to a
stable platform. Holding the work by your
hand or against the body leaves it unstable
and may lead to loss of control.
Accessories must be rated for at least the
speed recommended on the tool warning
label. Wheels and other accessories running
over rated speed can fly apart and cause
injury.
If cutting into existing walls or other blind
areas where electrical wiring may exist is
unavoidable, disconnect all fuses or circuit
breakers feeding this worksite.
Do not operate the flexible shaft with a
sharp bend. Over bending the shaft can
generate excessive heat on the jacket or hand
piece. The recommended minimu m is 5"
radius.
Always disconnect the power cord from
th e pow er source before mak in g any
adjustments or attaching any accessories.
You may unexpectedly cause the tool to start
leading to serious personal injury.
Be aware of the switch loca tion, when
placing the tool down or when picking the
tool up. You may accidentally activate the
switch.
Always hold the hand piece firmly in your
hands during the start-up. The reaction
torque of the motor, as it accelerates to full
speed, can cause the shaft to twist.
Al ways wear saf ety goggl es and dust
mask. Use only in well ventilated area.
Using personal safety devices and working in
safe environment reduces risk of injury.
After changing the bi ts or making any
adjustments, make sure the collet nut and
the EZ TWIST
™ integrated wrench/nose
cap are both securely tightened. Loose
adjustment devices can unexpectedly shift,
ca us in g loss of control, loose rot at in g
components will be violently thrown.
Do not reach in the area of the spinning
bit. The proximity of the spinning bit to your
hand may not always be obvious.
Allow brushes to run at opera ting speed
for at least one minute before using wheel.
During this time no one is to stand in front
or in line with the brush. Loose bristles or
wires will be discharged during the run-in time.
Wire and bristle brushes must never be
op er at ed at speeds greater than
15,000/min. Direct the discharge of the
Safety Rules for Rotary Tools
3
Disconnect the plug from the power source
and/or the battery pack from the power tool
before making any adjustments, changing
accessories, or storing power tools. Such
preventive safety measures reduce the risk of
starting the power tool accidentally.
Store idle power tools out of the reach of
children and do not allow persons unfamiliar
with the power tool or these instructions to
operate the power tool. Power tools are
dangerous in the hands of untrained users.
Maintain power tools. Check for misalignment
or binding of moving parts, breakage of
parts and any other condition that may
affect the power tool’s operation. If damaged,
have the power tool repaired before use.
Ma ny acci de nt s are c au se d b y po orly
maintained power tools.
Keep cutting tools sharp and clean. Properly
maintained cutting tools with sharp cutting
edges are less likely to bind and are easier to
control.
Use the power tool, accessories and tool
bits etc. in accordance with these instructions,
taking into account the working conditions
and the work to be performed. Use of the
power tool for operations different from those
intended could result in a hazardous situation.
Service
Have your power tool serviced by a qualified
re pa ir pers on using on ly identi ca l
replacement parts. This will ensure that the
safety of the power tool is maintained.
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spinning wire brush away from you. Small
particles and tiny wire fr agments may be
di sc ha rg ed at hig h velocity du ri ng the
“cleaning” action with these brushes and may
become imbedded in your skin. Bristles or
wires will be discharged from the brush at high
speeds.
Wear protective gloves and face shield
with wire or bristle brushes. Apply wire or
bristle brushes lightly to the work as only
the tips of the wire/bristles do the work.
“Heavy” pressure on bristles will cause the
wi re or b ri st le to bec om e overst re ssed,
resulting in a wiping action and will cause the
bristles/wire to be discharged.
Ca re fu ll y handle both the t oo l a nd
in di vi du al grin di ng wheels to a vo id
chipping or cracking. Install a new wheel if
tool is dropped while grinding. Do not use
a wheel that may be damaged. Fragments
from a wheel that bursts during operation will
fly away at great velocity possibly striking you
or bystanders.
Never use dull or damaged bits. Sharp bits
must be handled with care. Damaged bits
can snap during use. Dull bits require more
force to push the tool, possibly causing the bit
to break.
Us e c la mps to suppor t w or kpiece
whenever practical. Never hold a small
workpiece in one hand and the tool in the
ot he r hand while i n use. Al lo w f or
sufficient space, at least 6", between your
hand and the spinning bit. Round material
such as dowel rods, pipes or tubing have a
tendency to roll while being cut, and may
cause the bit to “bite” or jump toward you.
Clamping a small workpiece allows you to use
both hands to control the tool.
Inspect your workpiece before cutting.
Wh en cutting ir re gu la rly sh ap ed
workpieces, plan your work so it will not
slip and pinch the bit and be torn from
your hand. For example, if carving wood,
make sure there are no nails or foreign objects
in the workpiece. Nails or foreign objects can
cause the bit to jump.
Ne ve r start the too l when th e bit is
engaged in the material. The bit cutting
edge may grab the material causing loss of
control of the cutter.
Avoid bouncing and snagging the wheel,
especially when working corners, sharp
edges etc. This can cause loss of control and
kick-back.
The direction of feed with the bit into the
material when carving, routing or cutting is
very important. Always feed the bit into
the material in the same direction as the
cutting edge is exiting from the material
(which is the same direction as the chips
are thrown). Feeding the tool in the wrong
direction, causes the cutting edge of the bit to
climb out of the work and pull the tool in the
direction of this feed.
If the workpiece or bit becomes jammed or
bogged down, turn the tool “OFF” by the
switch. Wait for all moving parts to stop
and unplug the tool, then work to free the
jammed material. If the switch to the tool is
left “ON” the tool could restart unexpectedly
causing serious personal injury.
Do not leave a running tool unattended,
turn power off. Only when tool comes to a
complete stop is it safe to put it down.
Do not gr ind or sand n ea r flam ma ble
materials. Sparks from the wheel could ignite
these materials.
Do not touch the bit or collet after use.
After use the bit and collet are too hot to be
touched by bare hands.
Regularly clean the tool 's air vents by
compressed air. Excessive accumulation of
powdered metal inside the motor housing may
cause electrical failures.
Do not allo w fa mi liarity gained fr om
frequent use of your rotary tool to become
commonplace. Always re mem ber that a
careless fraction of a second is sufficient to
inflict severe injury.
Do not alter or misuse tool. Any alteration or
modification is a misuse and may result in
serious personal injury.
This product is not intended for use as a
dental drill, in human or veterinary medical
applications. Serious personal injury may
result.
Safety Rules for Rotary Tools - (cont.)
4
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GFCI and personal protection devices like
electrician’s rubber gloves and footwear will
further enhance your personal safety.
Do not use AC only rated tools with a DC
power supply. While the tool may appear to
work, the electrical components of the AC
rated tool are likely to fail and create a hazard
to the operator.
Keep handles dry, clean and free from oil
and grease. Slippery hands cannot safely
control the power tool.
Develop a periodic maintenance schedule
for your tool. When cleaning a tool be
careful not to disassemble any portion of
th e tool sinc e interna l wires may be
misplaced or pinched or safety guard return
sp rings may be improperly moun ted.
Certain cleaning agents such as gasoline,
carbon tetrachloride, ammonia, et c. may
damage plastic parts.
Risk of injury to user. The power cord must only
be serviced by a Dremel Service Facility.
Some dust created by power
sanding, sawing, grinding,
drilling, and other construction activities
contains chemicals known to cause cancer,
birth defects or other reproductive harm.
Some examples of these chemicals are:
• Lead from lead-based paints,
• Crystalline silica from bricks and cement and
other masonry products, and
• Arsenic and chromiu m from chemically-
treated lumber.
You r ris k from these exposures varies,
depending on how often you do this type of
work. To r educe you r ex posure to the se
chemicals: work in a well ventilated area, and
work with approved safety equipment, such as
those dust masks that are specially designed
to filter out microscopic particles.
!
WARNING
5
Additional Safety Warnings
When using the steel saws, cut off wheels,
high speed cutters or tungsten carbide
cutters, always have the work secure ly
clamped. Never attempt to hold the work
with one hand while using any of these
accessories. The reason is that these wheels
will grab if they become slight ly canted in the
groove, and can kick back causing loss of
control resulting in serious in jury. Your second
hand should be used to steady and guide the
hand holding the tool. When a cutoff wheel
grabs, the wheel itself usually breaks. When
the steel saw, high speed cutters or tungsten
carbide cutter grab, it may jump from the
groove and you could lose control of the tool.
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6
IMPORTANT: Some of the following symbols may be used on your tool. Please study them
and learn their meaning. Proper interpretation of these symbols will allow you to operate the
tool better and safer.
Symbol Name Designation/Explanation
V Volts Voltage (potential)
A Amperes Current
Hz Hertz Frequency (cycles per second)
W Watt Power
kg Kilograms Weight
min Minutes Time
s Seconds Time
Diameter Size of drill bits, grinding wheels, etc.
n
0
No load speed Rotational speed, at no load
n Rated speed Maximum attainable speed
.../min Revolutions or reciprocation Revolutions, strokes, surface speed,
per minute orbits etc. per minute
0 Off position Zero speed, zero torque...
1, 2, 3, ... Selector settings Speed, torque or position settings.
I, II, III, Higher number means greater speed
Infinitely variable selector with off Speed is increasing from 0 setting
Arrow Action in the direction of arrow
Alternating current Type or a characteristic of current
Direct current Type or a characteristic of current
Alternating or direct current Type or a characteristic of current
Class II construction Designates Double Insulated
Construction tools.
Earthing terminal Grounding terminal
Warning symbol Alerts user to warning messages
Li-ion RBRC seal Designates Li-ion battery recycling
program
Ni-Cad RBRC seal Designates Ni-Cad battery recycling
program
Read manual symbol Alerts user to read manual
Wear eye protection symbol Alerts user to wear eye protection
Symbols
0
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This symbol designates that this tool is listed by Underwriters Laboratories.
This symbol designates that this tool is listed by the Canadian Standards
Association.
This symbol designates that this tool is listed by the Canadian Standards
Association, to United States and Canadian Standards.
This symbol designates that this tool complies to NOM Mexican Standards.
This symbol designates that this tool is listed by Underwriters Laboratories,
to United States and Canadian Standards.
This symbol designates that this tool is listed by the Intertek Testing
Services, to United States and Canadian Standards.
Symbols (continued)
IMPORTANT: Some of the following symbols may be used on your tool. Please study them
and learn their meaning. Proper interpretation of these symbols will allow you to operate the
tool better and safer.
This symbol designates that this tool is recognized by Underwriters Laboratories.
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8
Di sc onnect t he plug fro m the pow er source bef or e making an y
assembly, adjustments or changing accessories. Such preventive safety
measures reduce the risk of starting the tool accidentally.
!
WARNING
Model number 100 200 3000
Voltage rating 120V 50 - 60Hz 120V 50 - 60Hz 120V 50 - 60Hz
Amperage rating 1,15A HI 1,15A, LO 0,80A 1,2A
No load speed n
0
35,000/min n015,000/35,000/min n05,000-32,000/min
Collet capacities 1/32, 1/16", 3/32", 1/8" 1/32, 1/16", 3/32", 1/8" 1/32, 1/16", 3/32", 1/8"
Functional Description and Specifications
HOUSING CAP
HANGER
VENTILATION
OPENINGS
COLLET
NUT
CORD
VENTILATION
OPENINGS
COLLET
SHAFT LOCK
BUTTON
SWITCH
(100 SINGLE SPEED)
(200 TWO SPEED)
HANGER
COLLET
NUT
COLLET
EZ TWIST™
INTEGRATED
WRENCH/NOSE CAP
(Model 3000 only)
SHAFT LOCK
BUTTON
VENTILATION
OPENINGS
VENTILATION
OPENINGS
BRUSH COVER
(one on each side)
BRUSH COVER
(one on each side)
ON/OFF
SWITCH
CORD
COLLET
WRENCH
Models 100 & 200
High Speed Rotary Tools
Model 3000
High Speed Rotary Tool
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Always unplug Rotary Tool before changing accessories, changing collets
or servicing your Rotary Tool.
9
COLLET NUT — To loosen, first press shaft
lock button and rotate the shaft by hand until
the lock engages the shaft preventing further
rotation.
Do not engage lock while
the Rotary Tool is running.
With the shaft lock engaged use the collet
wrench to loosen the collet nut if necessary.
The collet nut must be loosely threaded on
wh en i nserting a n access ory. Chan ge
accessories by inserting the new one into the
collet as far as possible to minimize runout and
unbalance. With the shaft lock engaged, finger
tighten the collet nut until the accessory shank
is gripped by the collet. Avoid excessive
tightening of the collet nut when there is no
bit inserted.
EZ TWIST™ INTEGRATED
WRENCH/NOSE CAP
(Model 3000 only)
The nose cap of your tool has an integrated
wrench allowing you to loosen and tighten the
collet nut without the use of the standard collet
wrench. Unscrew the nose cap from the tool,
line-up steel insert on inside of cap with collet
nut. With the shaft lock engaged twist nose
ca p cloc kw ise to tight en, an d counte rclockwise to loosen.
!
WARNING
Assembly
!
CAUTION
COLLET
NUT
TO
LOOSEN
TO
TIGHTEN
COLLET
WRENCH
SHAFT
LOCK
BUTTON
COLLET
NUT
TO
LOOSEN
TO
TIGHTEN
EZ TWIST™
INTEGRATED
WRENCH/NOSE
CAP
COLLETS — Four different size collets (see
illus tration), to accommodate different shank
sizes, are avail able for your Rotary Tool. To
install a different collet, remove the collet nut
and remove the old collet. Insert the unslotted
end of the collet in the hole in the end of the
tool shaft. Replace collet nut on the shaft.
Always use the collet which
matches the shank size of
the accessory you plan to use. Never force
a larger diameter shank into a collet.
Note: Most rotary tool kits do not include all
four collets sizes.
!
CAUTION
COLLET
NUT
IDENTIFICATION
RINGS
480
1/8"
COLLET
481
3/32"
COLLET
482
1/16"
COLLET
483
1/32"
COLLET
COLLET IDENTIFICATION CHART
Collet sizes can be identified by the rings
on the back end of collet.
1/32" Collet has one (1) ring.
1/16" Collet has two (2) rings.
3/32" Collet has three (3) rings.
1/8" Collet has no rings. (Included in
most tool kits on the tool)
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Operating Instructions
The Rotary Tool is a handful of high-speed
power. It serves as a carver, grinder, polisher,
sander, cutter, power brush, drill and more.
The Rotary Tool has a small, powerful electric
universal motor, is comfort able in the hand,
and is made to accept a large variety of
accessories including abrasive wheels, drill
bits, wire brushes, polishers, engraving cutters,
router bits, cutting wheels and attachments.
Accessories come in a variety of shapes and
permit you to do a number of different jobs. As
yo u be come famili ar wit h the rang e of
accessories and their uses, you will learn just
how versatile the Rotary Tool is. You’ll see
dozens of uses you hadn’t thought of before.
The real secret of the Rotary Tool is its speed.
To understand the advantages of its high
speed, you have to know that the standard
portable electric drill runs at speeds up to
2,800 revolutions per minute. The Rotary Tool
operates at speeds up to 35,000 revolutions
per minute. The typical electric drill is a lowspeed, high torque tool; the Rotary Tool is just
the opposite – a high-speed, low torque tool.
The major difference to the user is that in the
high speed tools, the speed combined with the
acces sory mounted in the collet does the work.
You don’t apply pressure to the tool, but simply
hold and guide it. In the low speed tools, you
not only guide the tool, but also apply pressure
to it, as you do, for example, when drilling a hole.
It is this high speed, along with its compact
size and wide variety of special accessories
and attachments, that makes the Rotary Tool
differ ent from other tools. The speed enables it
to do jobs low speed tools cannot do, such as
cutting hardened steel, en graving glass, etc.
Getting the most out of your Rotary Tool is a
matter of learning how to let this speed work
for you. To learn about more uses and the
ve rsatility of Dremel access ories a nd
attachments refer to this Owner's Manual or
check our website at www.Dremel.com.
Using the Rotary Tool
The first step in learning to use the Rotary Tool
is to get the “feel” of it. Hold it in your hand and
feel its weight and balance. Feel the taper of
the housing. This taper permits the Rotary Tool
to be grasped much like a pen or pencil (Figure A).
Always hold the tool away from your face.
Sharpen Tools Drilling
Shape Wood Carve Wood
Deburr Metal Cut Metal
10
BALANCING ACCESSORIES — For precision
work, it is important that all accessories be in
good balance (much the same as the tires on
your automobile). To true up or balance an
accessory, slightly loosen collet nut and give the
accessory or collet a 1/4 turn. Re tighten collet
nut and run the Rotary Tool. You should be able
to tell by the sound and feel if your accessory is
running in balance. Continue adjusting in this
fashion until best balance is achieved. To
maintain balance on abrasive wheel points,
before each use, with the wheel point secured in
the collet, turn on the Rotary Tool and run the
415 Dressing Stone lightly against the revolving
wheel point. This removes high spots and trues
up the wheel point for good balance.
The hanger is provided for the use of hanging
your tool while using the flex-shaft or for
storage. If you do not use the hanger, remove it
from the tool and snap it back into pla ce
underneath the cord so it will be out of the way
while the tool is in use.
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Accessories can be damaged during handling,
and can fly apart as they come up to speed.
This is not common, but it does happen.
Practice on scrap materials first to see how the
Rotary Tool's high speed action performs.
Keep in mind that the work is done by the
speed of the tool and by the accessory in the
collet. You should not lean on or push the tool
during use.
Instead, lower the spinning accessory lightly to
the work and allow it to touch the point at
which you want cutting (or sanding or etching,
etc.) to begin. Con centrate on guiding the tool
over the work using very little pressure from
your hand. Allow the accessory to do the work.
Usually, it is best to make a series of passes
with the tool rather than attempt to do all the
work in one pass. To make a cut, for example,
pass the tool back and forth over the work,
much as you would a small paint brush. Cut a
little material on each pass until you reach the
desired depth. For most work, the gentle touch
is best. With it, you have the best control, are
less likely to make errors, and will get the most
For best control in close work, grip the
Rotary Tool like a pencil between your
thumb and forefinger.
The “Golf Grip” method of holding the tool
is used for more aggressive operations
such as grinding a flat surface or using
cutoff wheels.
FIG. A FIG. B
WAR NI NG
Wear Eye Protection
Whenever you hold the tool, be careful not to
cover the air vents with your hand. This
blocks the air flow and causes the motor to overheat.
CAUTION
!
Questions or Problems? Call 1-800-437-3635
or check our website at www.Dremel.com
Operating Speeds
To select the right speed for each job, use a
practice piece of material.
NO TE: Speed i s a ffected by voltage
changes. A reduced incoming voltage will
slow the RPM of the tool.
(MODEL 100)
On the single speed model, there is an ONOFF switch. When the switch is on, the tool
runs at 35,000 RPM.
(MODEL 200)
On the two-speed model, there is a LO and HI
switch. When the switch indicator is on the low
setting, the tool runs at about 15,000 RPM.
When th e switch ind ica tor is on the high
setting, the tool runs at about 35,000 RPM.
(MODEL 3000)
On the vari ab le spe ed mod el, th ere ar e
switch setting in dicators marked with a line.
Slide to the number on the housing to select
the operating speed needed from 5,000 –
32,000 RPM. You can refer to the charts
on page 19, 20, 21 and 22 to determine the
proper speed, based on the materi al being
worked and the type of accessory being
used. These charts enable you to select
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both th e corre ct acce s sory an d the
optimum speed at a glance.
The speed of Rotary Tool is controlled by
setting this indicator on the housing.
The Settings for Approximate Revolutions
Per Min ute on Rotary Tool Variable Speed
Model 3000.
Switch Setting Speed Range
2 15,000 – 18,000 RPM
*4 19,000 – 15,000 RPM
6 16,000 – 21,000 RPM
8 22,000 – 27,000 RPM
10 28,000 – 32,000 RPM
* 3000 Wire Brush Setting.
Needs for Slower Speeds
Certain materials, however, (some plastics and
pr ecious metals , for ex ample) requir e a
relatively slow speed because at high speed
the friction of the accessory generates heat
and may cause damage to the material.
Slow speeds (15,000 RPM or less) usually are
best for polishing operations employing the felt
polishing ac ces sories. They may also be best
for working on deli cate projects as “eggery”
work, delicate wood carving and fragile model
parts. (All brushing applications require lower
speeds to avoi d wire discharge fr om the
holder.)
If you need it, single-speed models also
can have speed control by using a Model
221 foot control unit.
Not for use with two speed
or variable speed models
20 0 or 30 00. Us e with externa l speed
control will damage the variable/two speed
electronics.
Higher speeds are better for carving, cutting,
routing, shaping, cutting dadoes or rabbets in
wood.
Hardwoods, metals and glass require high
speed operation, and drilling should also be
done at high speeds.
The point to remember is this: You can do the
great majority of work with the single speed at
its regular speed of 35,000 RPM. But for
certain materials and types of work, you need
slower speeds — which is the reason the
variable speed models are available.
To aid you in det ermining th e optimum
operational speed for differ ent materials and
different accessories, we have construct ed a
series of tables that appear on page 19, 20, 21
and 22. By referring to these tables, you can
discover the recommended speeds for each
type of accessory. Look these tables over and
become familiar with them.
Ultimately, the best way to determine the
correct speed for work on any material is to
practice for a few minutes on a piece of scrap,
even after referring to the chart. You can
quickly learn that a slower or faster speed is
more effective just by observing what hap pens
as you make a pass or two at different speeds.
When working with plastic, for example, start at
a slow rate of speed and increase the speed
until you observe that the plastic is melting at
the point of contact. Then reduce the speed
slight ly to get the optimum working speed.
Some rules of thumb in regard to speed:
1. Plastic and other materials that melt at low
temperatures should be cut at low speeds.
2. Polishing, buffing and cleaning with any
type of brist le b rush must b e do ne a t
speeds not greater than 15,000 RPM to
prevent damage to the brush.
3. Wood should be cut at high speed.
4. Iron or steel should be cut at high speed. If
a high speed steel cutter starts to chatter —
this normally means it is running too slow.
5. Aluminum, copper alloys, lead alloys, zinc
alloys and tin may be cut at various speeds,
depending on the type of cutting being
do ne. Use paraffin or othe r su itable
lubricant on the cutter to prevent the cut
material from adhering to the cutter teeth.
Increasing the pressure on the tool is not the
answer when it is not performing as you think it
sh ould. Perh aps you sho ul d be usin g a
di fferent accesso ry, a nd p erhaps an
adjustment in speed would solve the problem.
Leaning on the tool does not help.
Let speed do the work!
12
Use only Dremel®, high-performance
accessories.
CAUTION
!
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13
Service
Pr eventive maint enance
pe r formed by unauthorized
per s o n nel may result in mi splacing of
internal wires and components which could
cause serious hazard. We recommend that
all tool service be performed by a Dremel
Service Facility.
To a vo id in ju ry fr om
un ex pe ct ed starting o r
electrical shock, always remove plug from
wall outlet before performing service or
cleaning.
CARBON BRUSHES
The brushes and commutator in your tool have
be en engine er ed for ma ny hours of
dependable service.
In order to prepare your brushes for use, run
your tool at full speed for 5 minutes under no
load. This will properly “seat” your brushes,
which extends the life of both your brushes
and your tool.
To maintain peak efficiency of the motor, we
recommend every 40 - 50 hours the brush es
be examined. Only genuine Dremel replace ment brushes specially designed for your tool
should be used.
MAINTENANCE OF REPLACEABLE
BRUSHES ON MODELS 100, 200 & 3000
The brushes should be inspected frequently
when tools are used continuously. If your tool
runs spo rad ically, loses power, makes unusual
noises or runs at a reduced speed, check the
brushes.
To continue using the tool
in t his conditi on will
permanently damage your tool.
Follow these steps to check/change the rotary
tool brushes:
1. With the power cord unplugged, place the
tool on a cl ean sur face. Use the tool
wrench as a screwdriver to remove the
brush caps in a counter-clockwise direction
(Figure C).
2. Remove the bru shes from the tool by
pulling on the spring that is attached to the
carbon brush. If the brush is less than 1/8"
long and the end surface of the brush that
contacts the commutator is rough and/or
pitted, they should be replaced. Check both
brushes (Figure D).
Usually the brushes will not wear out simul taneously. If one brush is worn out, replace
both brushes. Make sure the brushes are
installed as illus trated. The curved surface
of the brush must match the curvature of
the commutator.
3. After replacing brushes the tool should be
run at no-load; place it on a clean surface
and run it freely at full speed for 5 minutes
before loading (or using) the tool. This will
allow the brushes to “seat” properly and will
give you more hours of life from each set of
brushes. This will also extend the total life of
your tool since the com mutator surface will
“wear” longer.
WARNING
!
Maintenance Information
CAUTION
!
!
WARNING
BRUSH
BRUSH
SPRING
BRUSH
CAP
CURVED END OF BRUSH MUST
MATCH CURVATURE OF HOUSING
FIG. C
FIG. D
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14
Extension Cords
If an extension cord is
ne ce ss ar y, a co rd with
adequate size conductors that is capable
of carrying the current necessary for your
to ol mu st be us ed . T his w ill prevent
excessive voltage drop, loss of power or
overheating. Grounded tools must use 3-wire
extension cords that have 3-prong plugs and
receptacles.
NOTE: The smaller the gauge number, the
heav i er the cord.
RECOMMENDED SIZES OF EXTENSION CORDS
120 VOLT ALTERNATING CURRENT TOOLS
BEARINGS
Models 100, 200 & 3000 have double ball
bearing construction. Under normal use they
will not require lubrication.
Cleaning
To avoid accidents always
dis connect the tool from
th e power supply befo re cl ea ning or
performing any main tenance. The tool may
be cleaned most effectively with compressed
dry air. Always wear safety gog gles when
cleaning tools with compressed air.
Ventilation openings and switch levers must be
kept clean and free of foreign matter. Do not
at tempt to clean by inserting pointed objects
through openings.
Certain cleaning agents and
sol vents d amage plasti c
parts. Some of these are: gasoline, carbon
tetrachlo ride, chlo rinated cleaning solvents,
ammonia and house hold de ter gen ts that
contain ammonia.
!
WARNING
CAUTION
!
Tool’s
Ampere
Rating
Cord Size in A.W.G.
Wire Sizes in mm
2
3-6
6-8
8-10
10-12
12-16
18 16 16 14 0.75 0.75 1.5 2.5
18 16 14 12 0.75 1.0 2.5 4.0
18 16 14 12 0.75 1.0 2.5 4.0
16 16 14 12 1.0 2.5 4.0 —
14 12 —— ————
25 50 100 150 15 30 60 120
Cord Length in Feet Cord Length in Meters
Dremel Accessories
Use only Dremel®, high-performance accessories. Other accessories are not
designed for this tool and may lead to personal injury or property damage.
!
WARNING
The number and variety of accessories for the
Rotary Tool are almost limitless. There is a
category suited to almost any job you might
have to do — and a variety of sizes and shapes
within each category which en ables you to get
the perfect accessory for every need.
Refer to the DREMEL AC CES SORY ORDER
FORM for illustrations of the ac ces sories
available. These accessories may be found
at your local hardware, hobby or home
center deal ers.
Collets
If you expect to use a variety of accessories,
we recommend that in the beginning you
purchase a complete set of four collets. Store
these so that you will have the proper size of
collet for any accessory or drill bit you want to
use. Currently, the 1/8", 3/32",1/32" and
1/16" collets accommodate all of the avail able Dremel accessories. 1/8" collets are
included in most rotary tool kits.
Mandrels
A mandrel is a shank with a threaded or screw
he ad, which are require d when you use
polishing accessories, cutting wheels, sanding
di scs, a nd pol i sh ing p oints. The r eason
mandrels are used is that sanding discs,
cutting wheels and similar accesso ries must be
replaced frequently. The mandrel is a per manent shank, allowing you to replace only the
worn head when necessary, thus saving the
expense of replacing the shaft each time.
!
WARNING
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15
High Speed Cutters
Available in many shapes, high speed cutters
are used in carving, cutting and slotting in
wo od, plastics an d sof t met als such as
aluminum, copper and brass. These are the
accessories to use for freehand routing or
carving in wood or plastic, and for precision
cutting. Made of high quality steel. 1/8" shank.
Tungsten Carbide Cutters
These are tough, long-lived cutters for use on
hard ened steel, fired ceramics and other very
ha rd ma t erials. They can be us ed fo r
engraving on tools and garden equipment. 1/8"
shanks.
Engraving Cutters
This group has a wide variety of sizes and
shapes, and are made for intricate work on
ceramics (greenware), wood carvings, jewelry
and scrimshaw. They often are used in making
compl icat ed printed circu it boar ds. The y
should not be used on steel and other very
hard materials but are excellent on wood,
plastic and soft metals. 3/32" shank.
Structured Tooth Tungsten Carbide Cutters
Fast cutting, needle-sharp teeth for greater
material removal with minimum loading. Use
on fiberglass, wood, plastic, epoxy and rubber.
1/8" shank.
Aluminum Oxide Grinding Stones
(orange/brown)
Round, pointed, flat — you name the shape
and there is one available in this category.
These are made of aluminum oxide and cover
vi rtually every po ssible kin d of gr inding
application. Use them for sharpening lawn
mo wer bl ades, screwdr iv er t ips, k nives,
scissors, chisels and other cutting tools. Use to
remove flash from metal castings, deburring
any metal after cutting, smoothing welded
joints, grinding off rivets and re mov ing rust.
These grinding stones can be resharped with a
dressing stone. In machine shops, high speed
drills and cut ters normally are ground with
aluminum oxide wheels. 1/8" shank.
Silicon Carbide Grinding Stones
(blue/green)
Tougher than aluminum oxide points, these are
made es pecially for use on hard materials
such as glass and ce ramics. Typical uses
might be the removal of stilt marks and excess
glaze on ceramics and engraving on glass.
1/8" shank.
Diamond Wheel Points
Excellent for fine detail work on wood, jade,
ceramic, glass and other hard material. Bits
are covered with diamond particles. 3/32"
shanks. (Not recommended for drilling)
Screw Mandrel N° 401
This is a screw mandrel used with the felt
polishing tip and felt polishing wheels. 1/8"
shank.
Small Screw Mandrel N° 402
This is a mandrel with a small screw at its tip,
and is used with emery and fiberglass cutting
wheels, sanding discs and polishing wheels.
1/8" shank.
EZ Lock Mandrel N° 402
Th e Dr emel EZ Lock makes accessor y
changes easy as PULL - TWIST - RELEASE.
The one-piece mandrel design simplifies the
process of changing cutting wheels and makes
it easy to cut through plastic.
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Wire Brushes
Three different shapes of wire brushes are
available. For best results wire brushes
should be used at speeds not greater than
15,000 RPM. Refer to Operating Speeds
section for proper tool speed setting. The
three shapes come in three different materials:
stainless steel, brass and carbon wire. The
st ainless ste el perf orm well on pewter,
aluminum, stainless steel, and other metals,
without leaving "after-rust". Brass brushes are
non sparking, and softer than steel; making
them good for use on soft metal like gold,
cooper and brass. The carbon wire brushes
are good for general purpose cleaning.
Bristle Brushes
Th ese a re ex cellent clea ni ng tools on
silverware, jew elry and antiques. The three
shapes make it possible to get into tight
corners and other difficult places. Bri stle
brushes can be used with polishing compound
for faster cleaning or polishing.
Brushing Pressure
1. Remember, the tips of a wire brush do the
work. Operate the brush with the lightest
pressure so only the tips of the wire come in
contact with the work.
2. If heavier pressures are used, the wires will
be overstressed, resulting in a wiping action;
and if this is continued, the life of the brush will
be shortened due to wire fatigue.
3. Apply the brush to the work in such a way
that as much of the brush face as possible is in
full contact with the work. Applying the side or
edge of the brush to the work will result in wire
breakage and shortened brush life.
Polishing Accessories
These include an impregnated polishing point
an d an impre gnated poli shing wheel for
bringing metal sur faces to smooth finish; a felt
polishing tip and felt polish ing wheel, and cloth
polishing wheel, all used for polishing plastics,
metals, jewelry and small parts. Also included
in this group is a polishing compound (No. 421)
for use with the felt and cloth polishers.
Polishing points make a very smooth surface,
but a high luster is obtained using felt or cloth
wheels and polishing compound. For best
results polishing accessories should be
used at speeds not greater than 15,000
RPM.
No polishing compound is needed when using
the 425 Polishing Wheel.
Aluminum Oxide Abrasive Wheels
Use to remove paint, deburr metal, polish
stainless steel and other metals. Available in
fine and medium grits. 1/8" shank.
16
Dremel Accessories (Cont.)
CORRECT:
Wire tips doing the work.
INCORRECT:
Excessive pressure can cause wire breakage.
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Sanding Accessories
Sanding discs in fine, medium and coarse
grades are made to fit mandrel No. 402. They
can be used for nearly any small sanding job
you might have, from model making to fine
furniture finish ing. In addition, there is the drum
sander, a tiny drum which fits into the Rotary
Tool and makes it possible to shape wood,
smooth fiberglass, sand inside curves and
other diffi cult places, and other sanding jobs.
You replace the sanding bands on the drum as
they become worn and lose their grit. Bands
come in fine me dium and coarse grades.
Flapwheels grind and polish flat or contoured
surfaces. They are used most effectively as a
finishing sander after heavier surface sanding
and material removal is completed. Flapwheels
come in fine and coarse grades. Buffs are a
great finishing accessory for cleaning and light
sanding. They work effectively on metal, glass,
wood, aluminum and plastics. Coarse and
medium buffs are sold together. Do not exceed
15,000 RPM in speed. 1/8" shank.
Grinding Wheel
Use for deburring, removing rust, and general
purpose grinding. Use with Mandrel #402.
Cutting Wheels
These thin discs of emery or fiberglass are
us ed fo r slicing, cutting off and similar
operations. Use them for cutting off frozen bolt
heads and nuts, or to reslot a screw head
which has become so damage d th at t he
screwdriver won’t work in it. Fine for cutting
BX cable, small rods, tubing, cable and cutting
rectangular holes in sheet metal.
Drywall Cutting Bit
Gives you fast, clean cuts in drywall.
Tile Cutting Bit
Cuts ceramic wall tile, cement board, and
plaster.
Spiral Cutting Bit
Cuts through all types of wood and wood
composites.
High Speed Router Bits
For routing, inlaying, and mortising in wood
and other soft materials. Use with Dremel No.
33 5 Router at ta ch me nt and No. 23 1
Shaper/Router table.
Dremel Accessories (Cont.)
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18
Mandrel N° 402 has a small screw at its tip,
and is used with emery cutting wheels and
sanding discs. High er spe ed s, usu al ly
maximum, are best for most work, including
cutting steel. Which is shown here.
Mandrel No . 401 is used wi th the fe lt
polishing tip and wheels. Thread the tip on to
the screw carefully. The felt tip must thread
down straight on the screw Mandrel, and be
turned all the way to the collar.
To replace a band on the Drum Sander,
lo osen t he scr ew wit hout r emoving it t o
contract the drum then slide the old band off.
Slide the new sanding band on and then
expand the drum by tightening the screw once
again.
Before each use, check to
ma ke c ertain that a ll
components are assembled to accessory
shank and that the drum is sufficiently
expanded to secure the band during use. If
sanding band is loose on the drum during
operation it may “fly” off and strike you or
bystanders.
!
WARNING
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Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic Glass
Number Wood Wood /Plastic Brass, etc. Stone
7103, 7105, 10 8---10 10 10
7117, 7120,
7122, 7123,
7134, 7144
Diamond Wheel Points
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic Glass
Number Wood Wood /Plastic Brass, etc. Stone
9931, 9932, 10 84-6--9933, 9934,
9935, 9936
Structured Tooth Tungsten Carbide Cutters
* Speed for light cuts; Caution - burning on deep grooves.
• Depending on cutting direction relative to grain.
Not all speed settings can be achieved on 100 and 200 series tool. For certain applications,
a variable speed tool is required.
2 = 5,000 - 8,000 RPM's 4 = 9,000 - 15,000 RPM's
6 = 16,000 - 21,000 RPM’s 8 = 22,000 - 27,000 RPM’s 10 = 28,000 - 32,000 RPM’s
Speed Settings
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic Glass
Number Wood Wood /Plastic Brass, etc. Stone
100, 121, 131 10 10 66 8 --114, 124, 10 6466--134, 144
190 10 10 4610 --118, 191, 192, 10 10 4610 --193, 194
116, 117, 10 6466--125, 196
115 10 10 46 6 --198 10 8466--199 10 8466---
High Speed Cutters
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic Glass
Number Wood Wood /Plastic Brass, etc. Stone
105, 108 10 10 84 6 --106, 109, 10 10 64 6 --107, 110 10 10 64 6 --111 10* 10* 8* 46 --112 10* 10* 6* 46 --113 10* 10* 6* 46 ---
Engraving Cutters
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20
Speed Settings (Continued)
* Speed for light cuts; Caution - burning on deep grooves.
• Depending on cutting direction relative to grain.
Not all speed settings can be achieved on 100 and 200 series tool. For certain applications,
a variable speed tool is required.
2 = 5,000 - 8,000 RPM's 4 = 9,000 - 15,000 RPM's
6 = 16,000 - 21,000 RPM’s 8 = 22,000 - 27,000 RPM’s 10 = 28,000 - 32,000 RPM’s
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic Glass
Number Wood Wood /Plastic Brass, etc. Stone
612, 640 10* 8 • -- - --615, 617, 618, 10* 10 • -- - ---
650, 652, 654 10* 8 • -- - ---
High Speed Router Bits
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic Glass
Number Wood Wood /Plastic Brass, etc. Stone
83142, 83322, -- 6 10 4610 10
83702, 84922,
85422, 85602,
85622
Silicon Carbide Grinding Stones (blue/green)
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic Glass
Number Wood Wood /Plastic Brass, etc. Stone
516 4-6 4-6 -86 --500 4-6 4-6 - 6-8 4-6 --EZ541GR -- - 6-8 4-6 ---
Abrasive Wheels/Points
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic Glass
Number Wood Wood /Plastic Brass, etc. Stone
9901, 9902, 10 8410 688-10 8-10
9903, 9904,
9905, 9906,
9912
9909, 9910 8 8-10 8-10
9911
Tungsten Carbide Cutters
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic Glass
Number Wood Wood /Plastic Brass, etc. Stone
541,903, 911, 10 10 -84 610 921, 932, 941,
945, 952, 953,
954, 971, 997,
8153, 8175,
8193, 8215
Aluminum oxide grinding stones (orange/bown)
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21
Speed Settings (Continued)
* Speed for light cuts; Caution - burning on deep grooves.
• Depending on cutting direction relative to grain.
Not all speed settings can be achieved on 100 and 200 series tool. For certain applications,
a variable speed tool is required.
2 = 5,000 - 8,000 RPM's 4 = 9,000 - 15,000 RPM's
6 = 16,000 - 21,000 RPM’s 8 = 22,000 - 27,000 RPM’s 10 = 28,000 - 32,000 RPM’s
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic Glass
Number Wood Wood /Plastic Brass, etc. Stone
453, 454, 455 -- - 10 ----
Chain Saw Sharpening Stones
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic Glass
Number Wood Wood /Plastic Brass, etc. Stone
461, 462, 463 -- - 8 8 888
414, 422, 429 -- - 6 6 666
425, 427 -- - 8 8 - - 423E -- - 6-8 2226-8
Polishing Accessories
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic Glass
Number Wood Wood /Plastic Brass, etc. Stone
430, 431, 438 2-10 2-10 2-6 10 10 2-10 2-10 439, 440, 444 2-10 2-10 2-6 10 10 2-10 2-10 407, 408, 432 2-10 2-10 2-6 10 10 2-10 2-10 411, 412, 413 66 2 - 2 - - -
Sanding Bands and Discs
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic Glass
Number Wood Wood /Plastic Brass, etc. Stone
409, 420, 426 -- 2-4 10 10 10 10 540, EZ409
543, EZ544 10 8-10 2-4 -- -545, EZ545 8-10 8---6-8 6-8 560 For use on drywall. For best results, use at 30,000 rpm.
561 6-10 6-10 2-4 - 10 --562 -- - - - -10
EZ456 -- - 10 10 --EZ476 - - 2-4 -----
Cutting Accessories
Catalog Soft Hard Laminates Steel Aluminum, Shell/ Ceramic Glass
Number Wood Wood /Plastic Brass, etc. Stone
403, 404, 405 44 2-4 62 --428, 442, 443 44 2 4 4 - - 530, 531, 532 -4 - 4 - - - 535, 536, 537 44 - 4 4 4 - -
Wire Brushes
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