
TURNING INSERTS
CLASSIFICATION
NEGATIVE INSERTS WITH HOLE
Tolerance
Application
Breaker Name
A Cross Section
and Features
Geometry
Picture
TURNING INSERTS
Carbon Steel·Alloy Steel Corner
Recommendation for light cutting of carbon steel .004"
and alloy steel
ap (inch)
Double sided chipbreaker.
Flank
Stable chip control in light cutting range. .008"
The curved edge allows smooth chip discharge.
f (IPR) CNMG432LP
Stainless Steel Corner
Recommendation for light cutting of stainless steel .020"
Double sided chipbreaker.
ap (inch)
Stable chip control in light cutting range.
Breaker with high rake angle provides excellent burr control. Flank
f (IPR) CNMG432LM
Recommendation for light cutting of cast iron Cast Iron
LK Flank
Narrow positive land provides low cutting resistance and excellent 15° .006"
ap (inch)
finish.
6°
f (IPR) CNMG432LK
Recommendation for light cutting of Difficult-to-Cut Materials
LS difficult-to-cut materials
Flank
ap (inch) .006"
20°
Enhanced chip disposal for depth of cut smaller than the corner R.
f (IPR) CNMG432LS
Light Cutting
Recommendation for light cutting of carbon steel, Carbon Steel·Alloy Steel Corner
15°
alloy steel and stainless steel
M Class
ap (inch)
Double sided chipbreaker. .008"
15° Flank
Can be used at low depth of cuts and high feed rates.
The curved edge allows smooth chip discharge.
Recommended for workpieces in the 160 ─250HB range. f (IPR) CNMG432SH
Carbon Steel·Alloy Steel Corner
Alternative breaker for light cutting of carbon steel .012"
and alloy steel 25°
ap (inch)
10°
Double sided chipbreaker.
.013" Flank
Superior chip control at small depth of cuts. 25°
Covers copying and back turning with wavy edge. 8°
Recommended for workpieces in the 200 ─300HB range. f (IPR) CNMG432SA
Carbon Steel·Alloy Steel Corner
Wiper insert for light cutting of carbon steel and alloy steel .006"
18°
Double sided chipbreaker. 7°
ap (inch)
The wiper allows up to two times higher feed.
Wiper design for increased productivity and improved surface finish. 18° .006"
Flank
7°
f (IPR) CNMG432SW
Corner
Recommendation for light cutting of mild steel Mild Steel 10°
Double sided chipbreaker.
ap (inch)
Effectively controls chips. Flank
.008"
Recommended for workpieces in the 200 ─300HB range. 10°
f (IPR) CNMG432SY
Carbon Steel·Alloy Steel 12° Corner
Alternative breaker for light cutting of carbon steel
and alloy steel
ap (inch)
Double sided chipbreaker.
Flank
Can be used at small depth of cuts. 12°
The curved edge allows smooth chip discharge.
f (IPR) CNMG432C
A048