ISO Designation for round shank tools

Detail

Example

Alphabetical and Numerical Codes

Design

S

 S    Solid steel
A    Solid steel with internal coolant passage
C    Hardmetal shaft and head out of steel
E    Hardmetal shaft and head out of steel with internal coolant passage

Diameter of
Cylindrical Shank

32

 Numerical code designating shaft diameter in mm,
without decimal values. For single digit figure '0' is prefixed.

Length

U

 A B C D E F G H J K L M N

mm

 32

P

 40

Q

 50

R

 60

S

 70

T

 80

U

 90

V

 100

W

 110 125

X

 140 150

Y

160
mm 170 180 200 250 300 350 400 450 Special length 500
Separating dash

continuous

Type of Clamping

P

          image1page82.JPG (3797 bytes)           image2page82.JPG (5714 bytes)         image3page82.JPG (5279 bytes)               image4page82.JPG (5389 bytes)
               C                      M                       P                            S

Shape of insert

C

Alphabetical code designating shape of insert e.g.,    

C  rhomboidal  800

R   round

   T        triangular

D  rhomboidal  550

S   square

  V      rhomboidal 350

Style of tools

L

900
image5page82.JPG (4219 bytes)
A

750image6page82.JPG (4192 bytes)
B

 900

450
image8page82.JPG (4397 bytes)
D

600image9page82.JPG (3954 bytes)
E

900image10page82.JPG (3832 bytes)
F

900image11page82.JPG (4229 bytes)
G

930image12page82.JPG (3976 bytes)
J

 750

950image14page82.JPG (4299 bytes)
L

500
image15page82.JPG (4792 bytes)
M

630image16page82.JPG (4058 bytes)
N

1070image17page82.JPG (4443 bytes)
Q

750image18page82.JPG (4449 bytes)
R

450image19page82.JPG (4406 bytes)
S

600
image20page82.JPG (4265 bytes)
T

930image21page82.JPG (4066 bytes)
U

72.50image22page82.JPG (4092 bytes)
V

600image23page82.JPG (3913 bytes)
W

 850

Clearance angle
of insert

N

    Alphabetical code designating the clearance angle of insert.
   B - 50, C - 70, G - 300,  N - 00, P - 110

Hand of cutting

R

    R  right hand cutting                         N   right hand and left hand cutting
   L  left hand cutting

Size of insert

12

    Numerical code representing size of insert, cutting edge length in mm, neglecting
   decimal value. Figure '0' is prefixed for single digit.
   For round inserts : Diameter in mm, without decimal value

Separating dash

continuous

    Only when special features are specified.

Special features

    internal code representing special features.
Example

S

 32 U - P C L N R 12