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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 K
WW ¢¢ ¢¢
W W ¢
WW ¢¢ W ¢ WWW ¢¢¢
N
Light (fi nishing)
Medium
Heavy (roughing)
S
H
dry
with
coolant
TN6525
•
HC-P25 • PVD-TiAlN Nanolayer
TN6540
WW
•
•
HC-P40 • PVD-TiAlN Nanolayer
TN7525
•
HC-P25 • MT-CVD/CVD-TiN-TiCN-Al2O3-TiN
TN7535
•
¢
HC-P35 • MT-CVD/CVD-TiN-TiCN-Al2O3
TTI25
• •
• •
THM
¢
W
¢
HW-K15 • Uncoated
widia.com
G17
HT-P15 • Cermet