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PRINTED IN U.S.A.

Read and understand the tool
manual and these instructions

for the use of this accessory with your tool.

Failure to follow all instructions listed below may
result in serious personal injury.

Wear ANSI compliant eye protection.

The

operation of any power tool can result in foreign
objects being thrown into the eyes.

Do not operate the flexible shaft with a sharp or
multiple bends.

Over

bending the shaft can
generate excessive heat on
the jacket or hand piece
and may cause the flexible
shaft to disengage from
tool. The minimum
recommended bend radius is 5”

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.

Not for use with router bits or other large
diameter cutting bits.

Large diameter cutting bits

can cause kickback and loss of control when used
with the flexible shaft.

Do not remove end ferrule while tool is running.

The cable will become loose from the jacket and
will uncontrollably whip or lash around.

Attachment for use with Dremel Rotary Tool
Models 275, 285, 395, 398 & 780.

Contents of 225 Flex-Shaft Attachment

Qty. Description
1

Flex-Shaft Assembly (42" long)

1

Driver Cap 

5" RADIUS

Flexible Shaft Lubrication

The flex-shaft should be
lubricated after every 25-30

hours of use. To lubricate, unscrew the flex-shaft
assembly from the motor housing. Pull the center
core out of the flex-shaft assembly. Wipe a very
thin film automotive wheel bearing grease on to 
the center core and reinsert it back into the shaft.

To prevent damage to tool do not over grease
shaft.

Too much grease will cause the unit to

overheat.

Reattach the flex-shaft to the rotary tool.

Collet Identification Chart – Collet sizes can be
identified by the rings on the back end of collet.

Identification rings

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.

AVAILABLE COLLETS

Model No.

Size

Model No.

Size

480

1/8"

482

1/16"

481

3/32"

483

1/32"

To prevent damage to tool,
do not overtighten driver

cap.

Tighten the driver cap finger tight and then

tighten an additional 1/3 turn with the wrench.
(Wrench included with your rotary tool kit) 

Flex-Shaft Attachment Instructions
Model 225

CAUTION

!

CAUTION

!

WARNING

!

Step 2. Unscrew the housing cap from the tool.

Step 3. Remove the collet.

Step 1. Press the Shaft lock button, unscrew and
remove the collet nut.

Installation Instructions

It is extremely important to carefully read and follow the
directions to assemble the flex-shaft to your rotary tool
below to ensure the tool will function properly.

To properly attach the flex-shaft to the rotary tool,

THREE 

items must be removed from the tool: the

housing cap, collet nut and collet.

Step 5. Attach by screwing the collar of the
flex-shaft to the rotary tool. Make sure the
square end of the center core engages the
square hole socket in the driver cap.

Note: If the collet nut and collet are not
removed from the motor shaft, the tool will
not function properly.

Do not pull out center core
to engage into driver cap.

This could cause disengagement of center core
from handpiece. If tool stops when shaft is bent,
center core may be lodged in driver cap. Loosen
shaft and remove core from driver cap. Then
screw flexible shaft onto rotary tool housing
again.

CAUTION

!

DRIVER

CAP

MOTOR

SHAFT

SHAFT LOCK

BUTTON

Step 4. Install the driver cap on the motor
shaft and tighten.

Operating Instructions

Disengagement of the Flex-Shaft

The flexible shaft may become disengaged if
the motor of your rotary tool is not elevated
higher than the working end of the flex-shaft.
The #2222 Rotary Tool Stand is recommended
to hold the rotary tool at the proper height.

Collet and Accessory Assembly

The collet assembly consists of a collet nut and
collet. Take the collet nut and collet that were
removed from your tool in step 2 and 3 and insert
them into the tip of the flex-shaft handpiece.

Collet Removal and Replacement

Four different size collets to accommodate  different
shank sizes, are sold separately for your flex-shaft.
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 flex-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.

2610914687 02/02

Safety Rules for Flex-Shaft

Insert an accessory or bit as deeply as possible to
avoid wobble during use. With the shaft lock button
engaged on the flex-shaft handpiece retighten the
collet nut.

1

2

3

5

4

6

7

ORDER BY PART NUMBER, NOT CODE NUMBER

COMMANDEZ PAR NUMÉRO DE PIÈCE ET NON PAR NUMÉRO DE CODE

PIDA POR NÚMERO DE PIEZA, NO POR NÚMERO DE CÓDIGO

CODE NO.

PART NO.

DESCRIPTION

1

2615297355

Collet Nut (Not included)

2

480

1/8" Collet available as Accessory (Not included)

481

3/32" Collet available as Accessory (Not included)

482

1/16" Collet available as Accessory (Not included)

483

1/32" Collet available as Accessory (Not included)

3

2610914373

Handpiece Cap

4

90962

Wrench Available as Accessory (Not included)

5

2610914543

Flexible Shaft Core

6

2610915085

Overthrow Nut Assembly

7

529417870

Driver Cap

NO. DE CODE

NO. DE PIÈCE

DESCRIPTION

1

2615297355

Écrou de mors (fourni séparément)

2

480

Mors de 3,2 mm (1/8 po), accessoire fourni séparément

481

Mors de 2,4 mm (3/32 po), accessoire fourni séparément

482

Mors de 1,6 mm (1/16 po), accessoire fourni séparément

483

Mors de 0,8 mm (1/32 po), accessoire fourni séparément

3

2610914373

Tapa del Mango

4

90962

Clé accessoire (fournie séparément)

5

2610914543

me d’arbre flexible 

6

2610915085

Conjunto de tuerca

7

529417870

Capuchon moteur

NO. DE CÓDIGO

NO. DE PIEZA

DESCRIPCION

1

2615297355

Tuerca del portaherramienta (no incluida)

2

480

Portaherramienta de 1/8" disponible como accesorio (no incluido)

481

Portaherramienta de 3/32" disponible como accesorio (no incluido)

482

Portaherramienta de 1/16" disponible como accesorio (no incluido)

483

Portaherramienta de 1/32" disponible como accesorio (no incluido)

3

2610914373

Chapeau de la pièce manuelle

4

90962

Llave de tuerca disponible como accesorio (no incluida)

5

2610914543

Núcleo del eje flexible

6

2610915085

Ensemble d'écrou de renversement

7

529417870

Tapa del impulsor

HOUSING

CAP

COLLET

(inside)

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