NTK Cutting Tools

Home / Grooving & Parting / GX Chipbreaker

Tightly curls the chip to prevent tangling

Dimple design on insert rake face ensures chip control when grooving and side turning
Features
  • Groove widths from: 0.33mm – 3.0mm .013 – .118 inch
  • Good surface finish in the groove and side face
  • Capable of up to 2.0mm .078″ DOC when side turning with larger width inserts
Tooling application

Swiss CNC lathes
Grooving / Side turning

Benefits of GX chipbreaker
Chip control comparison (Grooving E-ring)

[ Cutting conditions ]
Material : SUS304 (⌀6⇒⌀3)   vc=80m/min  ap=1.5mm  Groove width : 0.75mm 304SS (⌀.236

Side turning chip control and surface finish

[ Cutting conditions ]
Material : SUS304 (⌀6⇒⌀3)   vc=80m/min  ap=1.5mm  Groove width : 0.75mm 304SS (⌀.236

Lineup (Insert)
- - - Scroll the table - - -
ISO Work material Grade vc (m/min) (SFM) Groove width (mm) (inch) Grooving feed rate (mm/rev) (IPR) Side turning feed (mm/rev) (IPR)
Carbon steel
Alloy steel
Grooving
DM4 10 – 160 75 – 500 0.75 – 3.0 .030 – .118 0.02 – 0.15 .0002 – .008 0.01 – 0.10 .0001 – .0024
Stainless
Grooving
ST4 30 – 180 100 – 600 0.75 – 3.0 .030 – .118 0.02 – 0.15 .0002 – .008 0.01 – 0.10 .0001 – .0024
Difficult-to-cut material
Grooving
DM4 10 – 160 75 – 500
Titanium alloy
High temp alloys
Grooving
DM4 10 – 160 75 – 500 0.75 – 3.0 .030 – .118 0.02 – 0.15 .0002 – .008 0.01 – 0.10 .0001 – .0024
Hardened material
Grooving
DM4 10 – 160 75 – 500 0.75 – 3.0 .030 – .118 0.02 – 0.15 .0002 – .008 0.01 – 0.10 .0001 – .0024
Non-ferrous
Aluminum
Plastic
General purpose
Grooving
TM4 50 – 180 150 – 600 0.75 – 3.0 .030 – .118 0.02 – 0.15 .0002 – .008 0.01 – 0.10 .0001 – .0024
Pin
Material :
SK4
Cutting speed :
27-34 m/min 90 – 110 SFM
Feed :
0.02 mm/rev .008 IPR
DOC :
0.5 mm .020 inch
Coolant :
WET
DM4+GX chipbreaker
150 pcs / corner
Competitor’s wiper insert (PVD coated carbide)
100 pcs / corner

Current tool machining was unstable and chips tangling.
The GX insert eliminated the chip control problem.
Also, the insert sharpness resulted in better overall surface finish and achieved a longer tool life per corner

Auto parts
Material :
SUS430
Cutting speed :
80 m/min 270 SFM
Feed :
0.03 mm/rev .001IPR
DOC :
1.0 mm .039 inch
Coolant :
WET
DM4+GX chipbreaker
3,500 pcs / corner
Competitor’s wiper insert (PVD coated carbide)
2,500 pcs / corner

The GX insert solved the issue of chips remaining in the groove which eliminated an inspection process.

Related News
November 26, 2025
NTK Cutting Tools has announced the addition of a new holder to its CUT DUO ...
November 25, 2025
NTK Cutting Tools has announced the expansion of its DS-HOLDER Series of sub spindle tools ...
November 4, 2025
NTK Cutting Tools announces the expansion of its quick-change tool lineup, the N-Swiss JOINT Modular ...
July 3, 2025
NTK Cutting Tools announces the launch of its N-Swiss CAP Polygon Taper Type, a high-precision ...

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

About
Solutions & Products