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Provides long tool life and stable machining for carbon steels (such as S45C) and alloy steels.

Delivers excellent toughness and machining stability.
Features
  • Superior fracture resistance achieved through a tough substrate combined with a special TiCN coating.
  • Outstanding wear resistance even in low-speed machining.
  • Stable performance during interrupted cutting operations.
Tooling application
  • Front turning
  • Back turning
  • Grooving
  • ID boring
  • Threading
  • Parting / Cut off
Grade map
↑High




SPEED
DT4 DM4
650 TM4
ZM3 VM1 QM3
FEED

High→

↑High





SPEED
DT4 DM4
ST4 650 TM4
ZM3 VM1 QM3
FEED

High→

QM3 comparison chart
- - - Scroll the table - - -
ISO Work material Chipbreaker Grade vc (m/min) (SFM) ap (mm) (inch) f (mm/rev) (IPR)
Carbon steel
Alloy steel
AMX QM3 40 – 150 130 – 500 0.05 – 0.3 .002 – .012 0.03 – 0.1 .001 – .004
TMV 0.5 – 2.0 .020 – .080 0.05 – 0.2 .002 – .008
YL 0.3 – 2.5 .012 – .100 0.02 – 0.15 .001 – .006
Difficult-to-cut
Free-cutting stainless steel
AMX 30 – 90 100 – 300 0.05 – 0.3 .002 – .012 0.03 – 0.1 .001 – .004
TMV 0.5 – 2.0 .020 – .080 0.05 – 0.2 .002 – .008
YL 0.3 – 2.5 .012 – .100 0.02 – 0.15 .001 – .006
Shaft component
Material :
SCM435
Cutting speed :
80 m/min 270 SFM
Feed :
0.05 mm/rev .002 IPR
Coolant :
WET
QM3
6,000 pcs / corner
Competitor’s PVD coated
3,000 pcs / corner

QM3 achieved twice the tool life of the competitor while maintaining good surface quality on the machined component.

Flange component
Material :
S50C
Cutting speed :
156 m/min 520 SFM
Feed :
0.33 mm/rev .013 IPR
DOC :
1.5 mm .059 inch
Coolant :
WET
QM3
120 pcs / corner
Competitor’s CVD coated carbide
45 pcs / corner

Competitor’s insert exhibited inconsistent tool life, whereas QM3 with the Z5 chipbreaker achieved 2.5 times longer tool life.

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For more information about this product, visit our online e-catalog, or download the catalog/product report

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