S-MILLFor end milling｜ Swiss CNC lathes

NTK's unique design for sharpness

Ideal for small diameter parts that are prone to vibrations

Targets small diameter parts with rigidity issues that benefits from a sharp cutting edge.

Product video

Features

  • Designed to focus on sharpness
  • Stable machining of even the smallest workpieces
  • New AC3 grade with a thin TiACrN-TiAlN coating for wear resistance

Tooling application

Swiss CNC lathes End milling

Cutting conditions

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Part surface finish comparison

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[ Cutting conditions ]
Material : 304SS Φ.630" .118 DOC ae=.047 width S = 3,000rpm F = 11.8 IPM
[ Tools used ]
Φ.236" - 2 flute

Case study

φ.236" - 2 flute D-Cut
Material :
SUS416F
Spindle speed :
3,200 rpm/min
Feed :
5.5 IPM
DOC :
.024 inch
Coolant :
WET
S-MILL

12,000 pcs / corner+α
Competitor's solid endmill

10,000 pcs / corner

The competitor's end mill showed an obvious decrease in surface finish quality as it reached the end of its tool life.
The S-Mill maintained a quality finish throughout the extent of its long tool life.

φ.236" - 2 flute φ.394" → AF .315" hexagon
Material :
S45C
Spindle speed :
2,600 rpm/min
Feed :
18.9 IPM
DOC :
.039 inch
Coolant :
WET
S-MILL

70 pcs / corner+α
Competitor's solid endmill

50 pcs / corner

The S-Mill's sharpness reduced the occurrence of burrs and increased tool life compared to competitor's tool.
The sharp cutting edge also produced noticeably less sound than the current tool.

Tool lineup

View Catalog Information

Please check product catalog for tooling lineup

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