Next-generation
PVD coating for milling

PR18 Series

Next-generation PVD coating for milling

PR18 Series

NEW

Longer Tool Life with Next-generation Coating for Milling

MEGACOAT NANO EX Coating Technology
Exceptional tool life

3 new grades for 16 different milling series
PR1825 for Steel (Wear resistance oriented)
PR1835 for Steel (Stability oriented)
for Stainless SteelPR1810 for Cast Iron

Next-generation PVD coating for milling

PR18 Series

Double lamination technology with special nano layer
MEGACOAT NANO EX provides longer tool life
Features 3 grades: PR1825/PR1835/PR1810. Available for various machining environments

Double lamination technology
Special Nano Layer x Multilayer Lamination

AlTi-based
special nano layer

AlCr-based
special nano layer

CG Image

1

Kyocera's Nano Layer Coating Technology
Longer Tool Life with Next-generation
Coating for Milling2

1

New PVD coating MEGACOAT NANO EX provides long tool life

Kyocera's Nano Layer Coating Technology

MEGACOAT NANO
Special nano-laminated coatingwith excellent abrasion and oxidation resistance
MEGACOAT-based

Laminated structure- High hardness- Excellent oxidation resistance

MEGACOAT NANO EX
New coating property improvements
Double Lamination Technology
Maintains Longer Tool Life
Multi-layer structure with two unique nano layers
Superior abrasion resistance and fracture resistanceSpecial Nano Layer x Multilayer Lamination
Nano-Layer

AlCr-based coatingwith excellent abrasion resistanceHigh toughness
suppresses crack growthNano-Layer

AlTi-based coatingwith excellent heat resistanceHigh toughness
suppresses crack growthMulti-layering of high-performance nano layers
Increases toughness with the suppression of crack growth and optimization of internal stress
CG Image3

Coating characteristics (Internal evaluation)
50

Hardness (GPa)40

MEGACOATMEGACOAT NANO

30

TiAlN

TiN
20

10

0
400

600

800

1,000

1,200

1,400

1,600

Oxidation temperature (°C)

Excellent oxidation resistanceHigh coating toughness

Oxidation progression comparison (Internal evaluation)

Coating layer toughness evaluation (Internal evaluation)

Suppresses oxidation progression with excellent oxidation resistanceExcellent coating toughness with small crack length

MEGACOAT NANO EX

Conventional A

MEGACOAT NANO EX

Conventional A

1.0μm

Smaller crack length

Large crack length

Oxidecoating
layer

Oxide
coatinglayer

Coating
layer

18

MEGACOAT NANO EX

Crack length (μm)

16*Section after holding at 1,200 degrees for 30 minutes in air

Conventional

14
12
10
8
6
4
2
0
0

2

4

6

8

10

12

Load (kgf )*Micro-Vickers measurement

Case
Study

2x longer tool life. Cutting edge remains in good condition.

Guides S50C
Edge condition
MEGACOAT NANO EX (PR1825)

Conventional coating
Chipping occurs

2x

After 8 pcs/corner machining

Tool life

After 4 pcs/corner machining

MEGACOAT NANO EX has 2x longer tool life than conventional coating. The cutting edge remains in good condition.
Quiet cutting noise
Cutting conditions: Vc = 200 m/min, ap = 2.0 mm, fz = 0.13 mm/t, Dry BDMT170408ER-JT (PR1825) MEC ø25 (2 Inserts)

4(User evaluation)

2Compatible with various machining environments. Substantial lineup

PR1825

P

for Steel (Wear resistance oriented)

PR1835M

for Steel (Stability oriented)
for Stainless Steel (1st recommendation)

PR1810K

for Cast Iron

P SteelWorkpiece material
ISO

01

10

20

M Stainless steel
30

40

01

Wear resistance oriented

10

30

40

01

1st recommendation

PR1825

Lineup20

K Cast iron
10

20

30

40

1st recommendation

PR1835

PR1810Stability oriented

PR1835

Carbide base material with an excellent balance of hardness, toughness and versatility

PR1825

Wear resistance comparison (Internal evaluation)

Edge condition
After 19.2 min machining

Flank face wear (mm)0.40

After 24 min machining

PR18250.30

Competitor A
Competitor B

PR18250.20

Competitor A

Wear progresses

0.10

0

5

10

15

20

Competitor B

25

Cutting time (min)Fracture

Cutting Conditions : Vc = 150 m/min, ap x ae = 2 mm x 65 mm, fz = 0.12 mm/t, SKD11, Dry PNMU1205ANER-GM (MFPN45)

V-T graph (Internal evaluation)

Cutting Conditions :Vc = 160 / 300 m/min
ap x ae = 2 x 110 mm, fz = 0.12 mm/t
SCM440 Dry
PNMU1205ANER-GM (MFPN45)

Cutting speed Vc (m/min)Life criteria :Flank face wear = 0.10 mm

350

Tool life

300

Improved

250
200

PR1825150
100

Competitor A
Competitor B

5

10

50

100

Tool life (min)

5

500

1000

Carbide base material with superior impact resistance and stability oriented
Improves the toughness of the base material by optimizing the particle shape and homogenizing the structure.

PR1835

V-T graph (Internal evaluation)

250

Cutting speed Vc (m/min)Life criteria :Flank face wear = 0.10 mm

Cutting Conditions :Vc = 120 / 200 m/min
ap x ae = 2 x 110 mm, fz = 0.12 mm/t
SUS304 Dry
PNMU1205ANER-SM (MFPN45)

Tool life

200

Improved

150
100

PR1835500Competitor C
Competitor D

5

10

50

Wear resistance comparison (Internal evaluation)

0.15

PR1835 (MFPN45)
Competitor C
Competitor D

0.10
0.05

0

10

20

30

40

50

60

70

80

0.20

PR1835 (MEC)

0.15

Competitor E
Competitor F

1000

0.10
0.05

0

Cutting time (min)

5

10

15

20

25

30

35

40

Cutting time (min)Cutting Conditions : Vc = 150 m/min, ap x ae = 2 x 80 mm, fz = 0.1 mm/t
SUS304, Dry PNMU1205ANER-SM

Cutting Conditions : Vc = 120 m/min, ap x ae = 2 x 15 mm, fz = 0.1 mm/t
SUS304, Dry BDMT11T308ER-JS

Uses a proprietary base material with excellent thermal conductivity.
Achieving stable processing of cast iron

PR1810Carbide Substrate
PR1810500

Wear resistance comparison (Internal evaluation)
Flank face wear (mm)Flank face wear (mm)

0.20

100

Tool life (min)Thermal conductivity comparison (Internal evaluation)

Cutting edge condition (Internal evaluation)
After about 60 min machining

Conventional B
PR1810

1.5 x
Thermalconductivity

PR1810Suppresses thermal cracking
and chipping

Conventional B

0

Coarse fine granules

Fine grain

20

40

60

80

Thermal conductivity W/(m.K)

100

Cutting Conditions :Vc = 200 m/min
ap x ae = 2 x 85 mm
fz = 0.2 mm/t
FCD450, Wet
PNMU1205ANER-GM (MFPN45)

PR1810 uses a mixture of coarse and fine grains. Improved thermal conductivity and reduced thermal cracking and chipping6

Product Lineup
PR18 series for various applications

90°/88° Cutting Edge Angle Type P9

45°/66° Cutting Edge Angle Type P12

Tangential 90° End Mill with 4-Edge Inserts

New 45° General Purpose Cutter

MA90

NEW

MB45

Original tangential 90° end millwith economical 4-edge inserts

NEW

Delivers the "low cutting force" benefits of positive inserts
and the "fracture resistance" benefits of negative inserts. Excellent surface finish

45° Face Mill with Double-sided 10-edge Inserts

90° End Mill with Double Sided 4-edge Inserts

MFPN45MEW

Highly Efficient Cutter with a 66° Cutting Edge Angle

MFPN66High-Efficiency End Mill

MEC

High Feed Cutter

High-Efficiency Helical End Mill

MECH

P13

High Efficiency and High Feed Cutter

MFH Series

High-Efficiency and Low Cutting Force End MillMECXHigh Feed and Large Depth of Cut Milling

MFH BoostMicro Dia. Cutter for High Feed Machining

MFH Micro

Double-sided 6-edge Insert, Low Cutting Force Cutter

MFWN

Small Dia. Cutter for High Feed Machining

MFH Mini

Highly Efficiency and High Feed Cutter

MFH Harrier

Double-sided 6-edge Insert, Low Cutting Force Cutter

MFWN Mini

Radius Cutter
Highly Efficient Cutter with a 88° Cutting Edge Angle

MFSN88

Low-Cutting-Force and High-Efficiency Radius Cutter

MRX

7

P14

Up to 2.5 times longer tool life than conventional tools
Delivers excellent performance with a wide variety of cutters

Case Studies
Mechanical parts S45C

Housing SUS316
MA90

Vc = 160 m/min
ap = 1.0 mm
fz = 0.15 mm/t
Wet
MA90-25S20-09T3C
LOGU090408ER-GM

Vc = 90 m/min
ap = 2.0 mm
fz = 0.18 mm/t
Dry
MB45-063R-14T5C-M
SNMU1406ANER-GM

Number of parts

Number of parts

15 pcs/corner

PR1825
Conventional C

MB45

2.5 x
Tool life

6 pcs/corner

30 pcs/corner

PR1825
Conventional D

18 pcs/corner

1.6 x
Tool life

Proprietary insert shape suppresses wear progression of
main cutting edge and wiper edge
Provides superior surface finish and 2.5x longer tool life

Unique low cutting force wiper edge design reduceschattering
Shows 1.6x longer tool life

(User evaluation)(User evaluation)

General machine parts FCD450 MFWN

Mechanical parts SCM420 MECH

Vc = 120 m/min
ap = 1.0 mm
fz = 0.19 mm/t
Dry
MFWN90080R-S32-5T
WNMU080608EN-GM

Vc = 130 m/min
ap = 13.0 mm
fz = 0.07 mm/t
Wet
MECH025-S25-11-4-2T
BDMT11T308ER-N2/N3

Number of parts

Number of parts

PR1825
Conventional E

65 pcs/corner

1.6 x
Tool life

40 pcs/corner

6 pcs/corner

PR18251.5 x(Cutting distance : 38.1 m) Tool life

4 pcs/corner

Conventional F(Cutting distance : 25.4 m)

Shows stable machining without insert fracture
Shows 1.6x longer tool life

Good cutting edge condition in heavy machining withlarge D.O.C.
1.5x longer tool life

(User evaluation)(User evaluation)

Mold parts Plastic mold steel

MFH Mini

Body parts FC250

Vc = 120 m/min
ap = 0.3 mm
fz = 1.3 mm/t
Wet
MFH25-S25-03-5T
LOGU030310ER-GM

Vc = 360 m/min
ap = 0.35 mm
fz = 0.08 mm/t
Wet
MFPN45100R-8T
PNMU1205ANER-GH

Number of parts

Number of parts

PR1835150 pcs/corner

Conventional G 60 pcs/corner

2.5 x
Tool life

PR1810Conventional H

Stable machining without chatter even in high-feed machining
Maintains good cutting edge condition and achieves 2.5x
longer tool life

MFPN45200 pcs/corner
100 pcs/corner

2x
Tool life

Improved tool life and 10 corners on both sides for
significant cost savings(User evaluation)(User evaluation)8

90°/88° Cutting Edge Angle Type
Tangential 90° End Mill with 4-Edge Inserts

MA90

90° End Mill with Double Sided 4-edge Inserts

MEW

NEW

Original tangential 90° end millwith economical 4-edge inserts

Shape

Description

Reduces cutting force equivalent to positive inserts
Excellent surface finish

MEGACOAT NANO EX

Shape

PR1825 PR1835 PR1810

LOGU 090404ER-GM

Description
LOMU

100408ER-GM

090412ER-GM

100412ER-GM
100416ER-GM

LOGU 090404ER-SM

100420ER-GM

090408ER-SM

LOMU

090412ER-SM

150504ER-GM
150508ER-GM

090416ER-SM

Low Cutting Force (G-Class)

PR1825 PR1835 PR1810

100404ER-GM

090408ER-GM
090416ER-GM

General Purpose (G-Class)

MEGACOAT NANO EX

150510ER-GM
150512ER-GM

LOGU 090408ER-GH

150516ER-GM

Tough Edge (G-class)150520ER-GM

General Purpose

LOGU 120604ER-GM
LOMU

100408ER-SM

LOMU

150508ER-SM

LOMU

100408ER-GH

120608ER-SM

LOMU
Tough Edge(for Heavy Cutting)

150508ER-GH

120612ER-SM

Right-Handed Insert Shown

120608ER-GM
120612ER-GM
120616ER-GM

Low Cutting Force

120620ER-GM
120624ER-GM
120630ER-GM

General Purpose (G-Class)

LOGU 120604ER-SM

120616ER-SM
120620ER-SM
120624ER-SM
120630ER-SM

Low Cutting Force (G-Class)

LOGU 120608ER-GH
Tough Edge (G-class)
Right-Handed Insert Shown: Standard Stock

9: Standard Stock90°/88° Cutting Edge Angle Type
High-Efficiency End Mill

High-Efficiency End Mill

Excellent surface finish with low cutting forces
Large lineup for various applications

Notched inserts reduce chattering
High efficiency heavy machining with large D.O.C.

MEC

Shape

Description
BDMT

MECH

MEGACOAT NANO EX

Shape

PR1825 PR1835 PR1810

MEGACOAT NANO EX
PR1825 PR1835 PR1810

110302ER-JT
110304ER-JT
110308ER-JT

BDMTDescription

11T302ER-JT

BDMT

11T308ER-N2

BDMT

11T308ER-N3

BDMT

170408ER-N3

BDMT

170408ER-N4

2-Notched

11T304ER-JT
11T308ER-JT
11T312ER-JT
11T316ER-JT

3-Notched

11T320ER-JT
11T324ER-JT
11T331ER-JT
BDMT

170404ER-JT

3-Notched

170408ER-JT
170412ER-JT
170416ER-JT170420ER-JT

4-Notched

170424ER-JT

Right-Handed Insert Shown

170431ER-JT

High-Efficiency End Mill

MECX

170440ER-JT
BDMT

110302ER-JS
110304ER-JS

High-efficiency machining with fine pitch styles
Compatible with low-rigidity facilities

110308ER-JS
BDMT

11T302ER-JS
11T304ER-JS

Shape

11T308ER-JS
Low Cutting Force/for Stainless SteelBDMT

Right-Handed Insert Shown: Standard Stock

170404ER-JS

Description
BDMT

170408ER-JS

MEGACOAT NANO EX
PR1825 PR1835 PR1810

070302ER-JT
070304ER-JT: Standard Stock

070308ER-JT
BDMT070302ER-JS
070304ER-JS

Low Cutting Force/for Stainless SteelRight-Handed Insert Shown

10070308ER-JS: Standard Stock90°/88° Cutting Edge Angle TypeDouble-sided 6-edge Insert, Low Cutting Force Cutter

Double-sided 6-edge Insert, Low Cutting Force Cutter

MFWN's superior performance remains intact
Economical small diameter milling cutter

Economical double-sided 6-edge insert
Superior fracture resistance due to thick edge design

MFWN Mini

Shape

Description

WNMU

050408EN-GM

WNMU

050408EN-SM

MFWN

Shape

MEGACOAT NANO EX

Description

MEGACOAT NANO EX
PR1825 PR1835 PR1810

PR1825 PR1835 PR1810
WNEU

080608EN-GL

WNMU

080608EN-GH

WNMU

080604EN-GM

Surface Finish Oriented(Precision Class)

General Purpose

Tough Edge(for Heavy Cutting)

Low Cutting Force

WNMU

050408EN-GH: Standard Stock



WNMU

Highly Efficient Cutter with a 88° Cutting Edge Angle

MFSN88Shape

Description

SNMU

130508EN-GM

SNMU

130508EN-SM

SNMU

130508EN-GH

080608EN-SM

Low Cutting Force

Economical inserts with 8 cutting edges. Reduces chatteringwith low cutting force design. Suitable for shoulder roughing

MEGACOAT NANO EX
PR1825 PR1835 PR1810

General Purpose

Low Cutting ForceTough Edge(for Heavy Cutting)

080608EN-GM

General Purpose

Tough Edge(for Heavy Cutting): Standard Stock

11: Standard Stock45°/66° Cutting Edge Angle Type
45°Cutting Edge Angle - New General Purpose Cutter

MB45

45° Face Mill with Double-sided 10-edge Inserts

MFPN45

NEW

Delivers the "low cutting force" benefits of positive inserts and the"fracture resistance" benefits of negative inserts. Excellent surface finish

Shape

Description

SNMU

Reduced chattering with low cutting force design and
excellent fracture resistance. Economical 10-edge insert

MEGACOAT NANO EX

Shape

PR1825 PR1835 PR1810

1406ANER-GM

Description

PNMU

1205ANER-GM

PNMU

1205ANEL-GM

PNMU

1205ANER-SM

PNMU

1205ANER-GH

PNEU

1205ANER-GL

PNEU

1205ANEL-GL

PNEU

1205ANER-W

MEGACOAT NANO EX
PR1825 PR1835 PR1810

General Purpose

General Purpose

SNMU

1406ANER-GH
General Purpose

Tough Edge

SNEU

1406ANER-GM
Low Cutting Force

General Purpose

SNEU

1406ANER-SM

Tough Edge(for Heavy Cutting)

Low Cutting Force: Standard Stock

Right-Handed Insert Shown

Surface Finish Oriented(Precision Class)Highly Efficient Cutter with a 66° Cutting Edge Angle

MFPN66

Surface Finish Oriented(Precision Class)

Economical 10-edge insert. Reduces cutting costs when machining
auto parts and other general purpose machining applications

Wiper Insert (2-edge)


Shape

Description

PNMU

0905XNER-GM

PNMU

0905XNER-SM

PNMU

0905XNER-GH

MEGACOAT NANO EX
PR1825 PR1835 PR1810

General Purpose

Low Cutting ForceTough Edge(for Heavy Cutting)
Right-Handed Insert Shown: Standard Stock

12: Standard StockHigh Feed CutterHigh Feed and Large Depth of Cut Milling

Micro Dia. Cutter for High Feed Machining (Cutter Dia. ø8 – ø16)

High feed milling with larger depths of cut. Excellent
performance in a wide range of applications, including
automotive parts, difficult-to-cut materials, and molds

Low resistance and durable against chatter for highly
efficient machining. Maximum ap 0.5 mm. Stablehigh feed machining on a wide range of applications

MFH Boost

Shape

Description

MFH Micro

MEGACOAT NANO EX

Shape

PR1825 PR1835 PR1810

LOMU 040410ER-GM

Description

MEGACOAT NANO EX
PR1825 PR1835 PR1810

LPGT 010210ER-GM

General Purpose

General Purpose

Right-Handed Insert Shown: Standard Stock

Right-Handed Insert Shown: Standard Stock

Small Dia. Cutter for High Feed Machining (Cutter Dia. ø16 - ø50)

Highly Efficiency and High Feed Cutter (Cutter Dia. ø25 - ø160)

Economical inserts with 4 cutting edges. Small Dia. fine
pitch type for high efficiency and high feed machining

Wide range of products for high feed machining
Large depths of cut and low cutting forces

MFH Mini

Shape

Description

MFH Harrier

MEGACOAT NANO EX

Shape

PR1825 PR1835 PR1810

Description

MEGACOAT NANO EX
PR1825 PR1835 PR1810

SOMT 100420ER-GM
LOGU 030310ER-GM
General Purpose

140520ER-GM

General Purpose

SOMT 100420ER-LD
LOGU 030310ER-GH
Tough Edge
Right-Handed Insert Shown

140520ER-LD

Large ap
: Standard Stock

SOMT 100420ER-FL
140514ER-FL

Wiper Insert

SOMT 100420ER-GH

Tough Edge
Right-Handed Insert Shown

13140520ER-GH: Standard StockRadius Cutter
Low-Cutting-Force and High-Efficiency Radius Cutter

MRX

Excellent cutting performance due to low cutting force design
High-efficiency radius cutter

Shape

Description
RDGT

0803M0ER-GM

RPGT

10T3M0ER-GM

MEGACOAT NANO EX
PR1825 PR1835 PR1810

1204M0ER-GM
1605M0ER-GM

General Purpose

RDMT
RPMT

0803M0ER-GM
10T3M0ER-GM
1204M0ER-GM
1605M0ER-GM

General Purpose

RDGT
RPGT

0803M0ER-SM
10T3M0ER-SM
1204M0ER-SM
1605M0ER-SM

Low Cutting Force

RDMT
RPMT
Tough Edge(for Heavy Cutting)
Right-Handed Insert Shown

0803M0EN-GH
10T3M0EN-GH
1204M0EN-GH
1605M0EN-GH: Standard Stock14

Achieving Unprecedented Tool Life

The information contained in this brochure is current as of April 2023.
Duplication or reproduction of any part of this brochure without approval is prohibited.
CP476 CAT/30T2303DNS© 2023 KYOCERA Corporation