CUT DUOCut-off operations for diameters up to φ34| Swiss CNC Lathes

Highly rigid cut-off tool

Increased insert clamp rigidity to ensure stable machining

Molded chipbreaker and rigid holder system for stable performance
Coolant through holders available to further improve chip control

Product video


  • Unique molded chipbreaker that tightly curls chips
  • Sharpness is improved by polishing the insert edge
  • Reduced tool pressure improves part surface finish

Tooling application

Swiss CNC lathe cut-off operation

Cutting conditions

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Coated grade Material Operation type Cutting speed (m/min) Feed (mm/rev) Maximum cut-off diamter
QM3 Alloy steel / carbon steel / hardened material Cut off 50 - 130 0.04 - 0.2 φ34
DM4 Difficult-to-cut material / titanium alloy 50 - 100 0.03 - 0.15
TM4 Non-ferrous / aluminum / plastic / general purpose 50 - 200 0.05 - 0.2

Cutting performance

[ Chip comparison ]

Coolant through series of holders (CTDP...OH/OH2)

Evacuates chips to eliminate chip tangling
Coolant is directed at the cutting edge which greatly improves insert tool life.

Case study

Material :
Cutting speed :
80 m/min
Feed :
0.05 mm/rev
Coolant :

6,000 pcs / corner

Competitor’s PVD coated

3,000 pcs / corner

Cut Duo achieved 2x the tool life and generated high quality surface finishes compared to the competitor's PVD coated insert

Valve parts
Material :
Cutting speed :
100 m/min
Feed :
0.05 mm/rev
Coolant :

230 pcs / corner

Competitor's molded chipbreaker
(PVD coated carbide)

100 pcs / corner

Cut Duo achieved 2.3 x more tool life compared to competitor's insert with chipbreaker. Its sharp cutting edge greatly improved the surface finish of the part

Tool lineup

View Catalog Information

Please check product catalog for tooling lineup