DoALL Cutting Tools 2022 - Turning Tools Canada

TURNING INSERTS CODE KEY | ANSI DESIGNATION

EXAMPLE 1

C 1

N 2

M 3

G 4

4 5

3 6

2 7

QM 9

–

8

2 Clearance Angle

1 Insert Shape

C 80 0 Diamond

D 55 0 Diamond

5 0 Positive Rake

B

S Square

C

7 0 Positive Rake

T Triangle

N

0 0 Negative Rake

V 35 0 Diamond

11 0 Positive Rake

P

W 80 0 Corner Trigon

3 Tolerances, inch

Tolerance Class

tolerance on ' d '

tolerance on ' B '

tolerance on ' s '

± .001

± . 001

± .005

G

± .005

M

see table below

see table below

Tolerance Class M, inch

tolerance on 'd'

tolerance on ‘B’

d

All Shapes ± .002 ± . 002 ± .002 ± .003 ± .004 ± .004

C, S, T, W Shapes

D Shape ± .004 ± .004 ± .004 ± .006 ± .007 ± .007

V Shape

± .003 ± .003 ± .003 ± .005 ± .006 ± .006

7/32

N/A

± .007 ± .007 ± .010

1/4

3/8

1/2

5/8

N/A

N/A

3/4

64

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