ProGroove ™
Grades and Grade Descriptions
P
Coatings provide high-speed
capability and are engineered
for fi nishing to light roughing.
• Reduce cycle times —
high speed and feed capability.
• Longer tool life — new multilayer
coating provides better wear resistance.
Steel
M Stainless Steel
K Cast Iron
N Non-Ferrous
S High-Temp Alloys
H Hardened Materials
wear
resistance
Coating
Grade Description
toughness
05 10 15 20 25 30 35 40 45
P
M
PVD-TiAlN Nanolayer coated carbide. Medium and heavy machining
for steels and nodular cast irons. Recommended at medium cutting
speeds when good toughness properties are required.
K
HC-P30
P
MT-CVD/CVD — TiN-TiCN-Al2O3-TiN coated carbide.
Light and medium machining for steels and nodular cast irons.
K
HC-P25
P
MT-CVD/CVD — TiN-TiCN-Al2O3 coated carbide. Medium and heavy machining
for steels and nodular cast iron.
K
HC-P35
M
MT-CVD/CVD-TiN-TiCN-Al2O3-ZrCN coated carbide. Light and medium
machining for all stainless steels. Can be used both with or without coolant.
HC-M25
Uncoated carbide for light and medium machining. For cast iron
and all non-ferrous metals and non-metals. Also capable of
machining hardened materials at low cutting speeds.
K
N
S
H
P
M
Uncoated carbide with good toughness and wear properties.
Medium machining for steels.
HW-P25
widia.com
E93
HW-K15