YLchipbreakerFor front turning operations | Swiss CNC Lathes

First recommendation for front turning

Covers a wide range of cutting conditions

Combination of sharpness, toughness, and chip control to handle an extremely wide range of cutting conditions

Product video


  • Range of depth of cut from .020" - .118 "
  • Easy to use chipbreaker desing with excellent sharpness, strength and chip control
  • Available in many grades to handle a variety of work materials

Tooling application

Swiss CNC Lathe front turning operations

YL chip breaker control range

Cutting conditions

Scroll the table →

Coated grade Material Operation type Cutting speed (SFM) Feed (IPR) DOC (inch)
ST4 Stainless OD Turning continuous to interrupted 150 - 400 .0008 - .004 .020 - .118
QM3 Alloy steel / carbon steel / hardened material 150 - 400
DM4/DT4 Difficult-to-cut material / titanium alloy / high temp alloys 100 - 400
TM4 Non-ferrous / aluminum / plastic / general purpose 150 - 600

Chip formation and chatter comparison

[ Cutting condition ]
Material:304SS φ.63" 260SFM WET
[ Cutting condition ]
Material:304SS φ.63" 260SFM f= .002"IPR ap = .078"-.120" WET

Case study

Material :
Cutting speed :
170 SFM
Feed :
.001 IPR
.059 inch 
Coolant :
YL chipbreaker

3,000pcs / corner

Competitor’s (PVD coated carbide)

2,000pcs / corner

YL had good chip control and longer tool life than competitor's conventional product. Also, achieved stable machining resulting in part dimensional consistancy.

Auto parts
Material :
Cutting speed :
370 SFM
Feed :
.001 IPR
.098 inch
Coolant :
YL chipbreaker + DM4

300pcs / corner

Competitor’s PVD coated carbide

200pcs / corner

YL achieved excellent chip control. Longer tool life and larger production run of parts with excellent surface finish compared to company's current insert.

Tool lineup

Please check product catalog for tooling lineup