WIDIA ™ VariTurn ™
Grades and Grade Descriptions
Coatings provide high-speed
capability and are engineered
for fi nishing to heavy roughing.
P Steel
M Stainless Steel
K Cast Iron
N Non-Ferrous
S High-Temp Alloys
H Hardened Materials
wear
resistance
Coating
toughness
05 10 15 20 25 30 35 40 45
Grade Description
P
Coated carbide. MTCVD-TiN-TiCN-Al2O3-TiN. Ideal for light fi nishing to medium
machining applications. Superior wear resistance.
K
HC-P10
P
Coated carbide. MTCVD-TiN-TiCN-Al2O3-TiN. Great general-purpose turning grade
for steels. Ideal for semi-fi nishing to moderately heavy roughing.
K
HC-P20
P
Coated carbide. MTCVD-TiN-TiCN-Al2O3-TiN. Tough carbide grade.
Ideal for roughing and heavy roughing applications.
HC-P30
P
M
Coated carbide. MTCVD-TiN-TiCN-Al2O3-TiN. Ideal for general-purpose machining
of stainless steels.
S
B120
widia.com
HC-M15