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Grade Descriptions 8 (343) 382-52-03 | sales@sverla-ekb.ru
SP4019 & GH1


SP4019
Introduction


Coating Type: PVD
A tough micro-grain substrate with new generation TiAlN
coating, renders this PVD grade extremely hard for unmatched
performance in all materials.
Available in the following geometries:
Finishing: -62 (positive) Medium – Roughing: -X
Finishing – Light Roughing: 3J Finishing: -61
Medium -Roughing: -73 (positive) Medium- Roughing: -T
Medium – Finishing: -15
Cutting speed
Application Range
SP4019 m/min
01 05 10 15 20 25 30 35 40 45 50 MAX DRY
Vc min Vc max
P   80 440
M  75 300
K   120 440
N   365 975
S  25 90
H  60 130
Recommended  Acceptable 


GH1
Coating Type: Uncoated
A very wear resistant uncoated micrograin for Cast Irons,
Hardened Steel to 58 HRC and non ferrous alloys. Produces
a low cutting pressure at high speed due to sharp cutting edge
definition.
Available in the following positive geometries:
Medium – Roughing: X
Medium – Finishing: -64
Medium – Finishing: -66
Medium – Finishing: M
Cutting speed
Application Range
GH1 m/min
01 05 10 15 20 25 30 35 40 45 50 MAX DRY
Vc min Vc max
P
M
K   70 225
N   185 825
S
H
Recommended  Acceptable 


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