SCI 21-22 General Catalog

IGETALLOY Indexable Insert Identification Table

C N M G C N M G

A.N.S.I.

I.S.O.

(3)

(1)

(4)

(2)

(1) Insert Shape Refer to Table 1

(3) Tolerance Refer to Table 3

B

(2) Relief Angle Refer to Table 2

(4) Insert Hole Refer to Table 4

Table 1: (1) Insert Shape

Table 2: (2) Relief Angle

Table 3: (3) Tolerance (inch)

Tolerance of Nose Height (Inch)

Inscribed Circle (Inch)

Thickness (Inch)

Symbol

Insert Shape

Angle

Symbol

Relief Angle

Symbol

C D E V R S

A F C E G

80˚ 55˚ 75˚ 35˚

B C D E

±0.0002 ±0.001 ±0.001

Diamond Type

±0.0002 ±0.0005 ±0.001

±0.0005 ±0.001 ±0.001

15˚

C

±0.001 ±0.001 ±0.001

Round

20˚

±0.001 ±0.001 ±0.005

90˚ 60˚ 80˚ 85˚ 55˚

Square

F

25˚

T

J 

Triangular

±0.0002 ± .002 to ± .006 ±0.001

W

D

Trigon

N

M  U 

± .003 to ± .008 ± .002 to ± .006 ±0.005

A K H O

P 

± .005 to ± .015 ± .003 to ± .010 ±0.005  mark indicates inserts that generally have sintered side surfaces. Refer to the table below (reference) for details on M class precision. (Reference) Breakdown of M-Class Tolerance by Shape and Size ● Tolerance of Nose Height (inch)

Parallelogram

11˚

R

O

120˚ 135˚

Trigon

Others

Octagonal

 mark indicates inserts that are sometimes used with a 10˚ relief angle.

L

90˚ 86˚

Rectangular

M

Diamond

S

80° Diamond

55° Diamond

35° Diamond

Inscribed Circle

Triangular Square

Round

1/4 3/8 1/2 5/8 3/4

±.003 ±.003 ±.003 ±.004 ±.006 ±.003 ±.003 ±.003 ±.004 ±.006

— —

T

±.005 ±.005 ±.005 ±.006 ±.006 ±.006 ±.006 ±.007 ±.006 ±.006 ±.006 ±.007

— — — — — —

Table 4: (4) Insert Hole

Symbol Hole Y/N

Hole Shape

Hole Y/N

Hole Shape

Chipbreaker Shape (Cross Section) Symbol

Chipbreaker Shape (Cross Section)

1

±.007 ±.007 ±.007

— — —

N E R

A

1 1/4

±.008

— — — —

No

No

V

● Tolerance of Inscribed Circle (inch)

One Face Double- sided

One Face Double- sided

No

No

Yes

M

80° Diamond

55° Diamond

35° Diamond

Inscribed Circle

Cylindrical

Triangular Square

Round

1/4 3/8 1/2 5/8 3/4

±.002 ±.002 ±.002 ±.002 ±.002

G

F

W

±.002 ±.002 ±.002 ±.002 ±.002 ±.002

Straight hole + single chamfer (40˚ to 60˚) Straight hole + double chamfer (40 ˚ to 60 ˚ )

Straight hole + single chamfer (70 ˚ to 90 ˚ ) Straight hole + double chamfer (70 ˚ to 90 ˚ )

±.003 ±.003 ±.003 ±.003 ±.004 ±.004 ±.004 ±.004 ±.004 ±.004 ±.004 ±.004

±.003 ±.004 ±.004 ±.005 ±.006

— — —

W

B

No

No

Yes

Yes

T D

1

±.005 ±.005 ±.005

— —

One Face

One Face

H

1 1/4

±.006

— — —

Q

C

No

No

Yes

Yes

Double- sided

Double- sided

U

J

X

Special

— — —

B2

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