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Technical Information
Grades and Grade Descriptions
Modern coating technologies
provide higher speed capabilities,
greater productivity, and longer
tool life.
Each insert has a material grid
indicating primary and alternate
uses for that tool, as well as
whether it can be operated
dry or with coolant.
P Steel
M Stainless Steel
K Cast Iron
N Non-Ferrous
S High-Temp Alloys
H Hardened Materials
primary use
alternate use
¢¢¢
WWW Light (fi nishing)
WW
W
Grade
¢¢
Medium
¢
Heavy (roughing)
P M
¢¢ WW
W W
W ¢
W W
K
N
Light (fi nishing)
Medium
Heavy (roughing)
dry with
coolant
WW • •
W • •
S
H
WS30PM ™
PVD-AlTiN Multilayer
WU35PM
PVD-AlTiN Multilayer
WP35CM
•
W
MT-CVD/TiN-TiCN-Al2O3
WP40PM ™
¢
•
•
PVD TiAlN-AlCrN Multilayer
WK25YM
•
WW
WDN00U ™
WWW
WW
•
W
Ultra-fi ne grain PCD
widia.com
G19
Silicon Nitride