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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
P
¢¢
Medium
¢
Heavy (roughing)
M
Light (fi nishing)
Medium
Heavy (roughing)
dry with
coolant
• •
¢¢ • •
WW • •
WW •
K
N
S
H
THM-U
WWW
HF-N05 • Uncoated
TTM/TTM08
WW
¢¢
HW-P25 • Uncoated
WK15PM
PVD-TiAlN Nanolayer
WK15CM ™
MT-CVD/TiN-TiCN-Al2O3
WP20CM
¢¢
WW
WP25PM
WW
WW
¢¢
WW
¢¢
•
•
PVD-AlTiN Multilayer
G18
widia.com
MT-CVD/TiN-TiCN-Al2O3