Marking of grades

M 9 3 2 5

Operation type Coating / Substrate Generation ISO range

0 PVD Special

D Drilling 1 CVD 1 – 9 01 – 05

application

2 PVD

M Milling 3 CVD Free 05 – 10

4 PVD

T Turning 5 CVD Group K, H 10 – 20

Grooving 6 PVD

G and Group M, S 20 – 30

7 CVD Parting off

8 PVD

9 CVD Universal 30 – 40

B CBN 40 – 50

D PCD