Coated CBN Brochure 2025

Featuring new BNC2015 grade for high-speed machining

Coated CBN Grades for Hardened Steel Machining BNC2105 / BNC2115 / BNC2125 / BNC2135 / BNC2010 / BNC2020 CBN

CAT.COATEDCBN.10/25

Coated CBN Grades

Coated CBN Series for Hardened Steel The Pinnacle of Accuracy and High-Efficiency Cutting

Lineup

High-speed Machining High-precision Machining

BNC2105 BNC2115 BNC2010 BNC2125 BNC2020 BNC2135

General Machining

New Grade for Heavy Interrupted Machining Introducing BNC2135

Heavy Interrupted Machining

Coated CBN Grades for Hardened Steel Machining BNC2105 / BNC2115 / BNC2125 / BNC2135 / BNC2010 / BNC2020 Coated CBN for Hardened Steel Machining

The Pinnacle of High-precision / High-e ciency Cutting / Stable Cutting

 Application Range

D Bearing Steel (SUJ2, etc.)

D Induction Hardened Steel (1045/1050, etc.), Carburized Steel

990

1150 990

BNC2105

BNC2105 BNC2115

825

BNC2125

660

495

BNC2010 BNC2020

BNC2135

330

BNC2125

BNC8115

330

165

0 .004 .008 .012 .016 .020

.118

Depth of Cut ap (in)

Light Interrupted Heavy Interrupted

Continuous

Small Impact Force on Cutting Edge Large

 Features

Highly wear-resistant grade for high-speed machining Excellent wear resistant coating and CBN substrate, achieves stable and long tool life in high-speed machining. The ultimate in high-precision machining of hardened steel Utilizing a thick coating with exceptional notch wear resistance and a tough CBN substrate to achieve stable and excellent surface finish. First recommendation for hardened steel machining Combination of a tough CBN substrate and a thick coating that has a balance of wear resistance and toughness, to achieve stable machining in a wide range of applications. Achieves long, stable tool life in machining with heavy interrupted cutting Achieves long, stable tool life on work pieces with both continuous and interrupted cutting High-precision grade for low- to medium-speed machining Excellent wear resistant CBN substrate and coating layer, for high-precision machining that requires surface roughness and surface finish accuracy. General-purpose grade for low- to medium-speed machining Utilizing an exceptionally high wear resistant coating and a tough CBN substrate. Excellent machining stability in low-rigidity situations and high-feed cutting

BNC2105

BNC2115

BNC2125

BNC2135

BNC2010

BNC2020

 Recommended Cutting Conditions

 Di erentiation

Uncoated CBN

Coated CBN

Depth of Cut ap (Inch) Min. - Max.

Cutting Speed (vc) (SFM) Min. - Max.

Feed Rate f (IPR) Min. - Max.

Grade

BNC2125 BNC2115 BNC2105

BNC2010 BNC2020 BNC2135

BNC2105 BNC2115 BNC2125 BNC2135 BNC2010 BNC2020

.008 .014 .020 .012 .014 .020

- - - - - -

.001 .001 .002 .001 .001 .002

1150 990 990 500 600 600

- - - - - -

490 360 360

.006 .008 .016 .008 .008 .016

- - - - - -

.001 .001 .002 .001 .001 .001

165 165 165

Machine Rigidity

 High

Induction Hardened/Carburized Steel

Bearing steel

HSS/Die Steel

Coated CBN Grades for Hardened Steel Machining BNC2105 / BNC2115 / BNC2125 / BNC2135 / BNC2010 / BNC2020

 CBN Substrate and Coating Structure

BNC2115

BNC2105

High-precision Machining (Medium- to High-speed)

High-precision Machining (High-speed)

Coating Thickness: 3 μ m

Colored Layer (Gold) TiAlSiN Super Multi-Layered Coating TiCN Layer TiAlSiN Super Multi-Layered Coating

Colored Layer (Gold)

Suppresses Notch Wear Surface Roughness Maintained Suppresses Crater Wear

TiAlN Super Multi-layered Coating

Improved Wear Resistance

TiCN Layer

TiAlSiN Super Multi-Layered Coating

High Wear Resistance CBN Substrate Improved Adhesion Strength

Highly Adhesive Layer

Tough CBN Substrate Improved Adhesion Strength

Highly Adhesive Layer

Highly wear-resistant TiAlN super multi-layered coating is made thicker. Utilizes long tool life in high-speed cutting in combination with a substrate using a newly developed TiCN binder with excellent thermal resistance

Thick layers of high-strength TiAlSiN super multi-layered coating and highly heat-resistant TiCN coating are applied to a tough substrate to provide excellent surface finish quality

BNC2125

BNC2135

General-purpose Machining (Medium- to High-speed)

Interrupted Machining (Low- to Medium-speed)

Coating Thickness: 3 μ m

Coating Thickness: 1 μ m

Colored Layer (Silver)

Improved Fracture Resistance

AlCrN Layer

TiAlBN Super Multi-layered Coating

Improved Chipping Resistance Improved Wear Resistance

Wear Resistance Improved

TiAlN Layer

Improved Adhesion Strength Tough CBN Substrate

Highly Adhesive Layer

High-strength Substrate

Thick layer of super multi-layered ultra-fine TiAlBN coating with high strength and high hardness coupled with a tough substrate achieves high performance in a wide range of applications

Ultra-fine, high-strength AlCrN and TiAlN layers, adopting new coating technology, are used with a high-strength substrate to achieve high fracture resistance

BNC2010

BNC2020

High-precision Machining (Low- to Medium-speed)

General-purpose Machining (Low- to Medium-speed, Unstable Cutting)

Coating Thickness: 2 μ m

Colored Layer (Gold)

Improved Wear Resistance

TiCN Layer

AlCrN Multi-layered Coating

Improved Wear Resistance

TiAlN Layer

TiCN Layer

Suppresses Notch Wear

AlCrN Multi-layered Coating

TiCN Layer AlCrN Multi-layered Coating

Tough CBN Substrate Improved Adhesion Strength

Highly Adhesive Layer

High Wear Resistant CBN Substrate

Stacked high-strength AlCrN multi-layered coating and highly heat-resistant TiCN coating are applied to a highly wear-resistant substrate to maintain excellent surface finish quality

Application of highly wear-resistant TiAlN coating to a tough substrate dramatically improves machining stability in low-rigidity setups and high-load cutting

Coated CBN Grades for Hardened Steel Machining BNC2105 / BNC2115 / BNC2125 / BNC2135 / BNC2010 / BNC2020

 Cutting Performance

BNC2105

Continuous Cutting (Wear Resistance)

After Cutting 3.73 mi

.0040

Chipping

.0064

Conventional Coated CBN

.0032

Competitor's Coated CBN A

.0048

Conventional Coated CBN Flank Wear Width: 152 μ m

BNC2105

Competitor's Coated CBN A

.0024

Chipping Resistance 1.5x Greater than Competitor’s Product

.0032

After Cutting 3.73 mi

.0016

BNC2105 Wear Resistance 1.5x Greater than Conventional Grades

.0016

.0008

Flank Wear Width: 103 μ m

BNC2105

0 0.62 1.25 1.86 2.50 3.10 3.73 4.35

0.62 1.25 1.86 2.50

Cutting Time (miles)

Workpiece Material: 52100 (58-62HRC) Insert: 4NCDNGA432 Cutting Conditions: vc = 660 SFM, f = 0.0039 IPR, ap = .0039” Wet

Workpiece Material: SCM415H (58-62HRC) Insert: 4NCDNGA432 Cutting Conditions: vc = 820 SFM, f = .0024 IPR, ap = .0039” Wet

BNC2115

BNC2115 Continuous Cutting (Machined Surface Roughness)

Continuous Cutting (Wear Resistance)

.0028

After Cutting 3.73 mi

.0024

4.0

Competitor's Coated CBN B

.0020

Competitor's Coated CBN B

BNC2115

.0016

3.0

Wear Resistance 1.3x Greater than Competitor’s Product

.0012

After Cutting 3.73 mi

Good surface roughness maintained 2x Surface Roughness Life Compared to Competitor’s Product BNC2115

2.0

.0008

.0004

BNC2115 Flank Wear Suppressed

1.0

1.25 2.50 3.75 5.00

Cutting Time (miles)

Workpiece Material: SCM415H (58-62HRC) Insert: 4NCDNGA432 Cutting Conditions: vc = 660 SFM, f = .0039 IPR, ap = .0197” Wet

Workpiece Material: SCM415H (58-62HRC) Insert: 4NCDNGA432 Cutting Conditions: vc = 660 SFM, f = .0039 IPR, ap = .0059” Wet

BNC2125

BNC2125 High-load Cutting (Fracture Resistance)

Continuous Cutting (Wear Resistance)

.0080

After Cutting 3.73 mi

Stable Tool Life

Conventional Coated CBN

.0064

BNC2125

Conventional Coated CBN Flank Wear Progresses

.0048

BNC2125

Wear resistance 1.3x Greater than Conventional Grades

After Cutting 3.73 mi

.0032

Conventional Coated CBN

.0016

BNC2125 Flank Wear Suppressed

Cutting Time (miles) 1.25 2.50 3.75 5.00

No. of Passes until Tool Fracture 0 200 400 600 800 1,000 1,200 1,400

Workpiece Material: 52100 (58-62HRC) Insert: 4NCDNGA432 Cutting Conditions: vc = 500 SFM, f = .0039 IPR, ap = .0079” Wet

Workpiece Material: 52100 (58-62HRC) Insert: 4NCDNGA432 Cutting Conditions: vc = 500 SFM, f = .0059 IPR, ap = .0197” 206ft/times Wet

Coated CBN Grades for Hardened Steel Machining BNC2105 / BNC2115 / BNC2125 / BNC2135 / BNC2010 / BNC2020

 Cutting Performance BNC2135

BNC2135

Heavy Interrupted Cutting (Fracture Resistance)

Continuous Cutting (Wear Resistance)

.0040

After Machining 1.8mi

2x Fracture Life Stability Compared to Competitor's Product

.0032

Competitor's Product C (Coated CBN)

BNC2135

Competitor's Product C (Coated CBN) Flank Wear Progresses After Machining 1.8mi Flank Wear Width: 96 μ m

.0024

Wear Resistance 2x Greater than Competitor's Product BNC2135

.0016

Competitor's Product C (Coated CBN)

.0008

BNC2135 Flank Wear Suppressed Flank Wear Width: 36 μ m

10 20 30 40 50 No. of Passes until Tool Fracture

0.6

1.2

1.8

Cutting Distance (mi)

Workpiece Material: SCM415H Heavy Intermittent Grooved Facing (58 to 62 HRC) Insert:: 4NCCNGA432 Cutting Conditions: vc = 395 SFM, f = .004 IPR, ap = .008” Wet

Workpiece Material: SCM415H (58 to 62HRC) Insert: 4NCCNGA432 Cutting Conditions: vc = 395 SFM, f = .004 IPR, ap = .008” Wet

BNC2010

BNC2020

Continuous Cutting (Machined Surface Roughness)

Interrupted Cutting (Fracture Resistance)

Good Fracture Resistance

8.0

After Cutting 3.73 mi

Competitor's Coated CBN C

BNC2020

6.0

Competitor's Coated CBN C Notch Wear Generated

Conventional Coated CBN

BNC2010 Good Surface Roughness

4.0

After Cutting 3.73 mi

2.0

Competitor's Coated CBN D

BNC2010 Notch Wear Suppressed

1.55

Cutting Distance (miles) 1.25 2.50 3.75

3.10

Tool Life (mi)

Workpiece Material: SCM415H (58-62HRC) Insert: 4NCDNGA432 Cutting Conditions: vc = 400 SFM, f = .0055 IPR, ap = .0059” Wet

Workpiece Material: SCM415H with 5 grooves (58 to 62HRC) Insert: 4NCCNGA433 Cutting Conditions: vc = 425 SFM, f = .0039 IPR, ap = .0236” Dry

Coated CBN Grades for Hardened Steel Machining BNC2105 / BNC2115 / BNC2125 / BNC2135 / BNC2010 / BNC2020

 One-Use Insert with Chipbreaker BREAK MASTER

 One-Use Wiper Insert

D Application Range

.028

For high-rigidity workpieces and equipment

Carburized Layer Removal

.020

Countermeasure for waviness and chattering

Light Cutting

.012

.004

Finishing

.002 .004 .008

.012

.016

.008

.012

.004

Feed Rate f (inch/rev)

 Cutting Edge Treatment Specification Optimal cutting edge treatment applied to various grades and geometries to avoid cutting edge fracture caused by the heavy loads generated during the machining of high-hardness materials such as hardened steel.

High-precision type World's smallest class edge treatment for coated CBN in hardened steel machining. Lowers cutting force. Strong Edged Suppresses cutting edge chipping and fracture. Stable tool life in interrupted machining. HS High-eciency type Suppresses crater wear and its resultant edge chipping. Stable tool life in high-speed, high-feed machining. ES LE LT LS

LE R Honing

Emphasis on Dimensional Tolerance and Surface Roughness

LT No R Honing

Suppresses Fracture at High Speeds/High Feeds

LS R Honing

ES R Honing

Suppresses Fracture in Interrupted Cutting Emphasis on Dimensional Tolerance and Burr Control Burr Control for Interrupted Cutting

Standard R Honing

HS R Honing

Heavy

Frequency of Interruption

D Cutting Edge Specification List

L Low Cutting Force

Strong Edged H

High-eciency type E

Standard

Workpiece Material

Grade Neg.-Pos.

Cutting Edge Specification Identification Code

25° 25° 25° 25° 25° 25° α

15° 0° 15° 15° 15° 15° α

0.12 0.12 0.12 W Notation Honing

Yes Yes Yes Honing Notation

Yes Yes Yes Yes Yes Yes Honing

0.05 0.05 0.05 W Honing Notation

35° 30° 35° 30° 30° 35° α

0.17 0.17 0.27 0.17 0.17 0.27 W

35° 35° 35° 35° 35° 35° α

0.05 0.05 0.05 0.05 0.05 0.05 W

Yes LS Yes LE Yes LT Yes LS Yes LS Yes LS

BNC2135 Negative/Positive BNC2010 Negative/Positive BNC2020 Negative/Positive BNC2115 Negative/Positive BNC2105 Negative/Positive BNC2125 Negative/Positive

Yes HS Yes HS No HS Yes HS HS Yes Yes HS

ES ES ES ES ES ES

S00515 - T00515 S00515 S00515 S00515

S01735 S01730 S02735 S01730 S01730 S02735

S01225 S01225 S01225 S01225 S01225 S01225

S00535 S00535 S00535 S00535 S00535 S00535

Hardened Steel

0.12 0.12 0.12

0.05 0 0.05

Yes Yes Yes

D Cutting Edge Specification of Wiper/Chipbreaker Inserts (Common)

D Cutting Edge Specification Identification Code

Cutting Edge Specification Identification Code

S 0 1 2 2 5

Type

Notation

Neg.-Pos.

α W Honing

Rake Face Negative Land Width W

WG WH

15° 15° 0° 35° 35°

Yes Yes 0.12 0.12 0 0.05 0.12 Yes Yes Yes

Negative/Positive Negative/Positive Negative/Positive Negative/Positive Negative

S01215 S01215

Wiper Inserts Inserts with Chipbreaker

Negative Land Width Negative Land Angle

Honing Negative Land Angle α

CBN

Cutting Edge Shape T S

: Negative Land : Negative Land + Honing

N-FV N-LV N-SV

Example: S01225  25°/0.12mm Negative Land with Honing

S00535 S01235

Flank

Coated CBN Grades for Hardened Steel Machining BNC2105 / BNC2115 / BNC2125 / BNC2135 / BNC2010 / BNC2020

Negative Inserts

Coated CBN

Negative 80° Diamond

Negative 55° Diamond

Stock

Dimensions (inch) Effective

Sumitomo Catalog Number

Shape

ISO Cat. No.

Cutting Edge Length LE

.0313 .1339 .0469 .1102 .0156 .0984 .0313 .0945 .0469 .0906 .0625 .1299 .0787 .1260 .0938 .1220 .0078 .0984 .0156 .0984 .0313 .0945 .0469 .0906 .0625 .1299 .0787 .1260 .0938 .1220 .0156 .0984 .0313 .0945 .0156 .0984 .0313 .0945 .0469 .0906 .0156 .0984 .0313 .0945 .0469 .0906 .0156 .0984 .0313 .0945 .0469 .0906 .0313 .0945 .0469 .0906 .0156 .0984 .0313 .0945 .0469 .0906 .0156 .0984 .0313 .0945 .0469 .0906 .0156 .0984 .0313 .0945 .0469 .0906 .0156 .0984 .0313 .0945 .0469 .0906 .0156 .0984 .0313 .0945 .0469 .0906 .0313 .0945 .0469 .0906 .0313 .0945 .0469 .0906 .0156 .0984 .0313 .0945 .0469 .0906 .0078 .0984 .0156 .0984 .0313 .0945 .0469 .0906 .0156 .0984 .0313 .0945 .0469 .0906 .0156 .0984 .0313 .0945 .0469 .0906 .0313 .0945 .0469 .0906 .0156 .0984 .0313 .0945 .0469 .0906

2 2

.0313 .1220 .0469 .1102 .0156 .0984 .0313 .0945 .0469 .0906 .0156 .0984 .0313 .0945 .0469 .0906 .0625 .1299 .0787 .1260 .0938 .1220 .0078 .0984 .0156 .0984 .0313 .0945 .0469 .0906 .0625 .1299 .0787 .1260 .0938 .1220 .0156 .0984 .0313 .0945 .0469 .0906 .0156 .0984 .0313 .0945 .0156 .0984 .0313 .0945 .0156 .0984 .0313 .0945 .0156 .0984 .0313 .0945 .0469 .0906 .0156 .0984 .0313 .0945 .0469 .0906 .0156 .0984 .0313 .0945 .0469 .0906 .0156 .0984 .0313 .0945 .0469 .0906 .0313 .0984 .0469 .0945 .0313 .0984 .0469 .0945 .0156 .0906 .0313 .0984 .0469 .0984 .0078 .0945 .0156 .0906 .0313 .0984 .0469 .0945 .0156 .0984 .0313 .0945 .0469 .0906 .0156 .0984 .0313 .0945 .0469 .0906 .0156 .0984 .0313 .0945 .0469 .0906 .0156 .0984 .0313 .0945 .0469 .0906 .0313 .0945 .0469 .0906 .0156 .0984 .0313 .0945 .0469 .0906

2 2

2MCCNGA432 2MC-CNGA120408 2MCCNGA433 2MC-CNGA120412 2NCCNGA431 2NC-CNGA120404 2NCCNGA432 2NC-CNGA120408 2NCCNGA433 2NC-CNGA120412 2NCCNGA434 2NC-CNGA120416 2NCCNGA435 2NC-CNGA120420 2NCCNGA436 2NC-CNGA120424 4NCCNGA430.5 4NC-CNGA120402

2MCDNGA432 2MC-DNGA120408 2MCDNGA433 2MC-DNGA120412

l l

.5000.1875 .2031

M id – T ip

2NCDNGA331 2NC-DNGA110404   2 2NCDNGA332 2NC-DNGA110408   2 2NCDNGA333 2NC-DNGA110412   2

l   2 lllll 2 lllll 2

.3750.1875 .1500

.5000.1875 .2031

 2  2  2

l   2 ll ll 2 lllll 2

2NCDNGA431 2NC-DNGA150404 2NCDNGA432 2NC-DNGA150408 2NCDNGA433 2NC-DNGA150412 2NCDNGA434 2NC-DNGA150416 2NCDNGA435 2NC-DNGA150420 2NCDNGA436 2NC-DNGA150424

.5000.1875 .2031

H igh -E fficiency

  4

 2  2  2

4NCCNGA431 4NC-CNGA120404  llll 4 4NCCNGA432 4NC-CNGA120408  lllll 4 4NCCNGA433 4NC-CNGA120412  lllll 4

H igh -E fficiency

.5000.1875 .2031

4NCDNGA430.5 4NC-DNGA150402   4 4NCDNGA431 4NC-DNGA150404  lllll 4 4NCDNGA432 4NC-DNGA150408  lllll 4 4NCDNGA433 4NC-DNGA150412  l  ll 4 4NCDNGA434 4NC-DNGA150416  4 4NCDNGA435 4NC-DNGA150420  4 4NCDNGA436 4NC-DNGA150424  4

 4  4  4

4NCCNGA434 4NC-CNGA120416 4NCCNGA435 4NC-CNGA120420 4NCCNGA436 4NC-CNGA120424 2NCCNGA431W 2NC-CNGA120404W 2NCCNGA432W 2NC-CNGA120408W 4NCCNGA431W 4NC-CNGA120404W 4NCCNGA432W 4NC-CNGA120408W 4NCCNGA433W 4NC-CNGA120412W 2NCCNGA431WG 2NC-CNGA120404WG 2NCCNGA432WG 2NC-CNGA120408WG 2NCCNGA433WG 2NC-CNGA120412WG

H igh -E fficiency

2 2

ll ll

.5000.1875 .2031

ll 4

H igh -E fficiency

lll 4 lll 4

.5000.1875 .2031

 4  4  4

4NCDNGA441 4NC-DNGA150604 4NCDNGA442 4NC-DNGA150608 4NCDNGA443 4NC-DNGA150612 2NCDNGA431W 2NC-DNGA150404W 2NCDNGA432W 2NC-DNGA150408W

.5000.2500 .2031

W iper I nsert

2 2 2

ll ll ll

.5000.1875 .2031

2 2

.5000.1875 .2031

4NCCNGA431WG 4NC-CNGA120404WG  ll 4 4NCCNGA432WG 4NC-CNGA120408WG  ll ll 4 4NCCNGA433WG 4NC-CNGA120412WG  l  l 4

4NCDNGA431WG 4NC-DNGA150404WG  ll 4 4NCDNGA432WG 4NC-DNGA150408WG  l ll 4 4NCDNGA431WH 4NC-DNGA150404WH  ll 4 4NCDNGA432WH 4NC-DNGA150408WH  ll 4

.5000.1875 .2031

W iper I nsert

2 2

2NCCNGA432WH 2NC-CNGA120408WH 2NCCNGA433WH 2NC-CNGA120412WH

ll ll

.5000.1875 .2031

4NCCNGA431WH 4NC-CNGA120404WH  ll 4 4NCCNGA432WH 4NC-CNGA120408WH  ll ll 4

W iper I nsert

.5000.1875 .2031

2 2 2

2NCDNGM431FV 2NC-DNGM150404N-FV 2NCDNGM432FV 2NC-DNGM150408N-FV 2NCDNGM433FV 2NC-DNGM150412N-FV

ll ll ll

ll 4

.5000.1875 .2031

4NCCNGA433WH 4NC-CNGA120412WH 2NCCNGM431FV 2NC-CNGM120404N-FV 2NCCNGM432FV 2NC-CNGM120408N-FV 2NCCNGM433FV 2NC-CNGM120412N-FV

l  ll ll ll

W iper I nsert

2 2 2

.5000.1875 .2031

4NCDNGG431FV 4NC-DNGG150404N-FV   l 4 4NCDNGG432FV 4NC-DNGG150408N-FV   l 4 4NCDNGG433FV 4NC-DNGG150412N-FV   4

.5000.1875 .2031

4NCCNGG431FV 4NC-CNGG120404N-FV  l 4

B reak M aster

l l 4

.5000.1875 .2031

2 2 2

4NCCNGG432FV 4NC-CNGG120408N-FV

2NCDNGM431LV 2NC-DNGM150404N-LV 2NCDNGM432LV 2NC-DNGM150408N-LV 2NCDNGM433LV 2NC-DNGM150412N-LV 4NCDNGG431LV 4NC-DNGG150404N-LV 4NCDNGG432LV 4NC-DNGG150408N-LV 4NCDNGG433LV 4NC-DNGG150412N-LV 2NCDNGM432SV 2NC-DNGM150408N-SV 2NCCNGM433SV 2NC-DNGM150412N-SV 2NCDNGA431LE 2NC-DNGA150404LE 2NCDNGA432LE 2NC-DNGA150408LE 2NCDNGA433LE 2NC-DNGA150412LE 2NCDNGA430.5LT 2NC-DNGA150402LT 2NCDNGA431LT 2NC-DNGA150404LT 2NCDNGA432LT 2NC-DNGA150408LT 2NCDNGA433LT 2NC-DNGA150412LT

ll ll ll

4NCCNGG433FV 4NC-CNGG120412N-FV   4

.5000.1875 .2031

B reak M aster

2 2 2

2NCCNGM431LV 2NC-CNGM120404N-LV 2NCCNGM432LV 2NC-CNGM120408N-LV 2NCCNGM433LV 2NC-CNGM120412N-LV 4NCCNGG431LV 4NC-CNGG120404N-LV 4NCCNGG432LV 4NC-CNGG120408N-LV 4NCCNGG433LV 4NC-CNGG120412N-LV

ll ll ll

.5000.1875 .2031

 l ll 4

 l 4

.5000.1875 .2031

  4

 l 4 l l 4   4

B reak M aster

.5000.1875 .2031

2 2

ll ll

.5000.1875 .2031

B reak M aster

4NCDNGG432SV 4NC-DNGG150408N-SV   l 4 4NCDNGG433SV 4NC-DNGG150412N-SV  l  l 4

2 2

2NCCNGM432SV 2NC-CNGM120408N-SV ll 2NCCNGM433SV 2NC-CNGM120412N-SV ll

.5000.1875 .2031

B reak M aster

2 2 2

4NCCNGG432SV 4NC-CNGG120408N-SV ll l 4 4NCCNGG433SV 4NC-CNGG120412N-SV l ll 4

  

.5000.1875 .2031

B reak M aster

2 2 2

2NCCNGA431LE 2NC-CNGA120404LE 2NCCNGA432LE 2NC-CNGA120408LE 2NCCNGA433LE 2NC-CNGA120412LE 2NCCNGA430.5LT 2NC-CNGA120402LT 2NCCNGA431LT 2NC-CNGA120404LT 2NCCNGA432LT 2NC-CNGA120408LT 2NCCNGA433LT 2NC-CNGA120412LT

  

L ow C utting F orce

.5000.1875 .2031

 2 l 2 l 2 l 2

L ow C utting F orce

.5000.1875 .2031

 2 l 2 l 2 l 2

S harper E dge

.5000.1875 .2031

2 2 2

2NCDNGA431LS 2NC-DNGA150404LS  ll  2NCDNGA432LS 2NC-DNGA150408LS  l  2NCDNGA433LS 2NC-DNGA150412LS   4NCDNGA431ES 4NC-DNGA150404ES

.5000.1875 .2031

S harper E dge

2 2 2

2NCCNGA431LS 2NC-CNGA120404LS   2NCCNGA432LS 2NC-CNGA120408LS   2NCCNGA433LS 2NC-CNGA120412LS  

S harper E dge

.5000.1875 .2031

 2 l 2 l 2

.5000.1875 .2031

4NCDNGA432ES 4NC-DNGA150408ES 4NCDNGA433ES 4NC-DNGA150412ES 2NCDNGA431HS 2NC-DNGA150404HS

S harper E dge

 2

4NCCNGA431ES 4NC-CNGA120404ES 4NCCNGA432ES 4NC-CNGA120408ES 4NCCNGA433ES 4NC-CNGA120412ES

H igh -E fficiency

.5000.1875 .2031

l l 2 l l 2

2NCDNGA432HS 2NC-DNGA150408HS lllll 2 2NCDNGA433HS 2NC-DNGA150412HS ll ll 2 4NCDNGA431HS 4NC-DNGA150404HS  ll 4 4NCDNGA432HS 4NC-DNGA150408HS  l  l 4 4NCDNGA433HS 4NC-DNGA150412HS  ll 4 2NCDNGA443HS 2NC-DNGA150612HS

.5000.1875 .2031

H igh -E fficiency

2NCCNGA432HS 2NC-CNGA120408HS lllll 2 2NCCNGA433HS 2NC-CNGA120412HS lllll 2 4NCCNGA431HS 4NC-CNGA120404HS ll 4 4NCCNGA432HS 4NC-CNGA120408HS lll 4 4NCCNGA433HS 4NC-CNGA120412HS lll 4

.5000.1875 .2031

2 .5000.2500 .2031 .0313 .0945

.5000.1875 .2031

S trong E dged

Negative Square

2NCSNGA432 2NC-SNGA120408 2NCSNGA433 2NC-SNGA120412

2 2

l l l l

● : USA stocked item  : worldwide warehouse item

.5000 .1875 .2031

4NCSNGA431 4NC-SNGA120404   4 4NCSNGA432 4NC-SNGA120408   4 4NCSNGA433 4NC-SNGA120412   4

For applicable holders, please see Sumitomo General Catalog

Coated CBN Grades for Hardened Steel Machining BNC2105 / BNC2115 / BNC2125 / BNC2135 / BNC2010 / BNC2020

Negative Triangular

Negative Trigon

Negative Inserts

Coated CBN

Stock

Dimensions (inch) Effective

Sumitomo Catalog Number

Shape

ISO Cat. No.

Cutting Edge Length LE

.0156 .0906 .0313 .0787 .0469 .0787 .0625 .1299 .0787 .1181 .0938 .1063 .0078 .0945 .0156 .0906 .0313 .0787 .0469 .0787 .0625 .1299 .0787 .1181 .0938 .1063 .0156 .0906 .0313 .0787 .0469 .0787 .0156 .0906 .0313 .0787 .0469 .0787 .0313 .0787 .0469 .0787 .0156 .0906 .0313 .0787 .0469 .0787 .0078 .0945 .0156 .0906 .0313 .0787 .0469 .0787 .0156 .0906 .0313 .0787 .0469 .0787 .0156 .0906 .0313 .0787 .0469 .0787 .0156 .0906 .0313 .0787 .0469 .0787

.0313 .0787 .0469 .0787 .0156 .0906 .0313 .0787 .0469 .0787

3NCTNGA331 3NC-TNGA160404 3NCTNGA332 3NC-TNGA160408 3NCTNGA333 3NC-TNGA160412 3NCTNGA334 3NC-TNGA160416 3NCTNGA335 3NC-TNGA160420 3NCTNGA336 3NC-TNGA160424

3NCWNGA432 3NC-WNGA080408 3NCWNGA433 3NC-WNGA080412

3 3

l  3 l ll 3 l  3

ll ll

.5000.2031 .1500

6NCWNGA431 6NC-WNGA080404   6 6NCWNGA432 6NC-WNGA080408  ll 6 6NCWNGA433 6NC-WNGA080412   6

.3750.1875 .1500

.5000.2031 .1500

 3  3  3

3NCWNGA432WG 3NC-WNGA080408WG ll ll 3 .5000.2031 .1500.0313 .0787 6NCWNGA432WG 6NC-WNGA080408WG  ll 6 .5000.2031 .1500.0313 .0787 3NCWNGA432WH 3NC-WNGA080408WH ll 3 .5000.2031 .1500.0313 .0748 6NCWNGA432WH 6NC-WNGA080408WH  ll 6 .5000.2031 .1500 .0313 .0748 6NCWNGA433WH 6NC-WNGA080412WH ll 6 .0469 .0787 3NCWNGA432LT 3NC-WNGA080408LT  3 .5000.2031 .1500.0313 .0787

H igh -E fficiency

6NCTNGA330.5 6NC-TNGA160402   6 6NCTNGA331 6NC-TNGA160404 ll 6 6NCTNGA332 6NC-TNGA160408 ll 6 6NCTNGA333 6NC-TNGA160412 ll 6 6NCTNGA334 6NC-TNGA160416  6 6NCTNGA335 6NC-TNGA160420  6 6NCTNGA336 6NC-TNGA160424  6

W iper I nsert

.3750.1875 .1500

H igh -E fficiency

6NCTNGG331FV 6NC-TNGG160404N-FV 6NCTNGG332FV 6NC-TNGG160408N-FV 6NCTNGG333FV 6NC-TNGG160412N-FV 6NCTNGG331LV 6NC-TNGG160404N-LV 6NCTNGG332LV 6NC-TNGG160408N-LV 6NCTNGG333LV 6NC-TNGG160412N-LV 3NCTNGM332SV 3NC-TNGM160408N-SV 3NCTNGA331LE 3NC-TNGA160404LE 3NCTNGA332LE 3NC-TNGA160408LE 3NCTNGA333LE 3NC-TNGA160412LE 3NCTNGA330.5LT 3NC-TNGA160402LT 3NCTNGA331LT 3NC-TNGA160404LT 3NCTNGA332LT 3NC-TNGA160408LT 3NC-TNGA333LT 3NC-TNGA160412LT 3NCTNGA333LS 6NC-TNGA160412LS 6NCTNGA331ES 6NC-TNGA160404ES 6NCTNGA332ES 6NC-TNGA160408ES 6NCTNGA333ES 3NC-TNGA160412ES 3NCTNGA332HS 3NC-TNGA160408HS

  6   6   6   6   6   6

S harper E dge

.3750.1875 .1500

3 .5000.2031 .1500.0313 .0787

3NCWNGA432LS 3NC-WNGA080408LS ll

B reak M aster

S harper E dge

3NCWNGA432HS 3NC-WNGA080408HS 3 .5000.2031 .1500.0313 .0787 6NCWNGA432HS 6NC-WNGA080408HS  l 6 .5000.2031 .1500.0313 .0787 l

.3750.1875 .1500

B reak M aster

3 .3750.1875 .1500.0313 .0787

S trong E dged

6NCTNGG332SV 6NC-TNGG160408N-SV  l 6 6NCTNGG333SV 6NC-TNGG160412N-SV   6

Turning Insert

.3750.1875 .1500

for BNZ Boring Bar

B reak M aster

l 1 l 1

.0078 .1024 .0156 .0984 .0078 .1024 .0156 .0984 .0078 .1024 .0156 .0984

3 3 3

  

NCZNEX620.5 NCZNEX621

l l

NC-ZNEX040102 NC-ZNEX040104

.1875.0625 .0906

.3750.1875 .1500

1 1

NCZNEX620.5LE NC-ZNEX040102LE NCZNEX621LE NC-ZNEX040104LE NCZNEX620.5LT NC-ZNEX040102LT NCZNEX621LT NC-ZNEX040104LT

 

L ow C utting F orce

.1875.0625 .0906

 3 l 3 l 3  3

L ow C utting F orce

 1  1

.3750.1875 .1500

.1875.0625 .0906

S harper E dge

3NCTNGA331LS 3NC-TNGA160404LS   3NCTNGA332LS 3NC-TNGA160408LS l

3 3 3

● : USA stocked item  : worldwide warehouse item

.3750.1875 .1500



S harper E dge

 6  6  6

.3750.1875 .1500

For applicable holders, please see Sumitomo General Catalog

H igh -E fficiency

l l 3 .3750.1875 .1500.0313 .0787

6NCTNGA331HS 6NC-TNGA160404HS  ll 6 6NCTNGA332HS 6NC-TNGA160408HS  ll 6 6NCTNGA333HS 6NC-TNGA160412HS  l  6

.3750.1875 .1500

S trong E dged

Negative 35° Diamond

Stock

Dimensions (inch) Effective

Sumitomo Catalog Number

Shape

ISO Cat. No.

Cutting Edge Length LE

.0156 .1102 .0313 .0787 .0078 .1299 .0156 .1102 .0313 .0787 .0469 .0669 .0156 .1102 .0313 .0787 .0156 .1102 .0313 .0787 .0078 .1299 .0156 .1102 .0313 .0787 .0469 .0669 .0156 .1102 .0313 .0787 .0156 .1102 .0313 .0787 .0469 .0669 .0156 .1102 .0313 .0787 .0469 .0669

2NCVNGA331 2NCVNGA332 4NCVNGA331 4NCVNGA332 4NCVNGA333

ll l  2 lllll 2

2NC-VNGA160404 2NC-VNGA160408

.3750.1875 .1500

4NCVNGA330.5 4NC-VNGA160402   4

4NC-VNGA160404  lllll 4 4NC-VNGA160408  lllll 4

.3750.1875 .1500

l 4

4NC-VNGA160412



  4   4   4   4

4NCVNGG331FV 4NC-VNGG160404N-FV 4NCVNGG332FV 4NC-VNGG160408N-FV 4NCVNGG331LV 4NC-VNGG160404N-LV 4NCVNGG332LV 4NC-VNGG160408N-LV 2NCVNGA330.5LT 2NC-VNGA160402LT 2NCVNGA331LT 2NC-VNGA160404LT 2NCVNGA332LT 2NC-VNGA160408LT 2NCVNGA333LT 2NC-VNGA160412LT

.3750.1875 .1500

B reak M aster

.3750.1875 .1500

B reak M aster

 2 l 2 l 2  2

.3750.1875 .1500

S harper E dge

2 2

2NCVNGA331LS 2NC-VNGA160404LS  2NCVNGA332LS 2NC-VNGA160408LS   2NCVNGA331ES 2NC-VNGA160404ES 2NCVNGA332ES 2NC-VNGA160408ES

.3750.1875 .1500

S harper E dge

 2 l 2  2

.3750.1875 .1500

2NCVNGA333ES 2NC-VNGA160412ES 2NCVNGG332HS 2NC-VNGA160408HS

H igh -E fficiency

l l 2 .3750.1875 .1500.0313 .0787

4NCVNGG331HS 4NC-VNGA160404HS  l  4 4NCVNGG332HS 4NC-VNGA160408HS  l ll 4

.3750.1875 .1500

  4

4NCVNGG333HS 4NC-VNGA160412HS

S trong E dged

Coated CBN Grades for Hardened Steel Machining BNC2105 / BNC2115 / BNC2125 / BNC2135 / BNC2010 / BNC2020

Positive 80° Triangular

Positive 80° Diamond

Postive Inserts

Coated CBN

Stock

Dimensions (inch) Effective

Stock

Dimensions (inch) Effective

Sumitomo Catalog Number

Shape

ISO Cat. No.

Cutting Edge Length LE

Shape

ISO Cat. No. Cutting Edge Length LE NCCCGA21.51 NC-CCGW060204 ll ll 1 .2500.0937.1102 .0156 .0906 2NCCGA21.50.5 2NC-CCGW060202 l l 2 . 2500 . 0937.1102 .0078 .0945 2NCCCGA21.51 2NC-CCGW060204 ll 2 .0156 .0906 2NCCCGA21.52 2NC-CCGW060208 ll 2 .0313 .0906 2NCCCGA32.50.5 2NC-CCGW09T302 l l 2 .3750 .1563 .1732 .0078 .0984 2NCCCGA32.51 2NC-CCGW09T304 lllll 2 .0156 .0984 2NCCCGA32.52 2NC-CCGW09T308 lllll 2 .0313 .0945 2NCCCGA21.51W 2NC-CCGW060204W 2 . 2500 . 0937.1102 .0156 .0945 2NCCCGA21.50.5WG 2NC-CCGW060202WG ll ll 2 . 2500 . 0937.1102 .0078 .0984 2NCCCGA21.51WG 2NC-CCGW060204WG ll ll 2 .0156 .0945 2NCCCGA21.52WG 2NC-CCGW060208WG ll 2 .0313 .0945 2NCCCGA32.50.5WG 2NC-CCGW09T302WG ll ll 2 .3750 .1563 .1732 .0078 .0984 2NCCCGA32.51WG 2NC-CCGW09T304WG  l 2 .0156 .0945 2NCCCGA32.52WG 2NC-CCGW09T308WG l ll 2 .0313 .0945 2NCCCGA32.51WH 2NC-CCGW09T304WH   2 .3750.1563 .1732 .0156 .0945 2NCCCGA32.52WH 2NC-CCGW09T308WH   2 .0313 .0906 2NCCCGT21.50.5FV 2NC-CCGT060202N-FV l ll 2 .2500.0937 .1102 .0078 .0984 2NCCCGT21.51FV 2NC-CCGT060204N-FV  l 2 .0156 .0945 2NCCCGT21.52FV 2NC-CCGT060208N-FV ll ll 2 .0313 .0945 2NCCCGT32.51FV 2NC-CCGT09T304N-FV   2 .3750.1563 .1732 .0156 .0945 2NCCCGT32.52FV 2NC-CCGT09T308N-FV   2 .0313 .0945 2NCCCGT32.50.5LV 2NC-CCGT09T302N-LV ll ll 2 .3750.1563 .1732 .0078 .0984 2NCCCGT32.51LV 2NC-CCGT09T304N-LV l l 2 .0156 .0945 2NCCCGT32.52LV 2NC-CCGT09T308N-LV ll l 2 .0313 .0906 2NCCCGA21.50.5LE 2NC-CCGW060202LE  2 . 2500 . 0937.1102 .0078 .0984 2NCCCGA21.51LE 2NC-CCGW060204LE  2 .0156 .0945 2NCCCGA32.50.5LE 2NC-CCGW09T302LE  2 .3750 .1563 .1732 .0078 .0984 2NCCCGA32.51LE 2NC-CCGW09T304LE  2 .0156 .0945 2NCCCGA32.52LE 2NC-CCGW09T308LE  2 .0313 .0945 2NCCCGA21.50.5LT 2NC-CCGW060202LT  2 . 2500 . 0937.1102 .0078 .0984 2NCCCGA21.51LT 2NC-CCGW060204LT l 2 .0156 .0945 2NCCCGA32.50.5LT 2NC-CCGW09T302LT  2 .3750 .1563 .1732 .0078 .0984 2NCCCGA32.51LT 2NC-CCGW09T304LT l 2 .0156 .0945 2NCCCGA32.52LT 2NC-CCGW09T308LT l 2 .0313 .0945 2NCCCGA21.50.5LS 2NC-CCGW060202LS  2 . 2500.0937.1102 .0078 .0945 2NCCCGA21.51LS 2NC-CCGW060204LS  2 .0156 .0906 2NCCCGA32.51LS 2NC-CCGW09T304LS  2 .3750.1563 .1732 .0156 .0984 2NCCCGA32.52LS 2NC-CCGW09T308LS l 2 .0313 .0945 2NCCCGA32.51HS 2NC-CCGW09T304HS  2 .3750.1563 .1732 .0156 .0984 2NCCCGA32.52HS 2NC-CCGW09T308HS  2 .0313 .0945 2NCCPGA21.50.5 2NC-CPGW060202  2 . 2500 . 0937.1102 .0078 .0945 2NCCPGA21.51 2NC-CPGW060204  2 .0156 .0906 2NCPGA320.5 2NC-CPGW090302  2 .3750.1250 .1732 .0078 .0945 2NCPGA321 2NC-CPGW090304  2 .0156 .0906

.0156 .0906 .0313 .0787 .0156 .0906 .0156 .0906 .0313 .0787 .0078 .1024 .0156 .0984 .0078 .1024 .0156 .0984 .0078 .0945 .0156 .0984 .0313 .0866 .0156 .0906 .0313 .0787 .0156 .0866 .0313 .0748 .0078 .0945 .0156 .0906 .0313 .0787 .0078 .0945 .0156 .0906 .0313 .0787 .0156 .0906 .0313 .0787 .0156 .0906 .0313 .0787 .0078 .0906 .0156 .0787

NCTCGA21.51 NC-TCGW110204 NCTCGA21.52 NC-TCGW110204 3NCTCGA21.51 3NC-TCGW110204

ll ll 1 ll ll 1 ll ll 1 ll ll 1 l 3

.2500.0937 .1102

NCTPGA221 NCTPGA222

NC-TPGW110304 NC-TPGW110308

. 2500 .1250 .1339

3NCTPGA630.5 3NC-TPGW080202

 3  3

.1875.0937 .0945

3NCTPGA631

3NC-TPGW080204

  3   3   3

3NCTPGA1.81.50.5 3NC-TPGW090202 3NCTPGA1.81.51 3NC-TPGW090204 3NCTPGA220.5 3NC-TPGW110302

.2189 .0937 .1020

W iper I nsert

3NC-TPGW110304 ll 3 3NC-TPGW110308 ll 3 3NC-TPGW160404  ll 3 3NC-TPGW160408  ll 3

.2500.1250 .1339

3NCTPGA221 3NCTPGA222 3NCTPGA331 3NCTPGA332

.3750.1875 .1732

W iper I nsert

3NCTPGA221FV 3NC-TPGT110304N-FV   3 3NCTPGA222FV 3NC-TPGT110308N-FV   3

. 2500 . 1250.1339

W iper I nsert

B reak M aster

3 3 3 3 3 3 3 3 3 3

3NCTPGA220.5LE 3NC-TPGW110302LE 3NCTPGA221LE 3NC-TPGW110304LE 3NCTPGA222LE 3NC-TPGW110308LE 3NCTPGA220.5LT 3NC-TPGW110302LT 3NCTPGA221LT 3NC-TPGW110304LT 3NCTPGA222LT 3NC-TPGW110308LT 3NCTPGA631HS 3NC-TPGW080204HS 3NCTPGA221HS 3NC-TPGW110304HS 3NCTPGA222HS 3NC-TPGW110308HS 3NCTPGA331HS 3NC-TPGW160404HS 3NCTPGA332HS 3NC-TPGW160408HS

  

.2500.1250 .1339

L ow C utting F orce

 l l

B reak M aster

. 2500 .1250 .1339

S harper E dge

3NCTPGA221LS 3NC-TPGW110304LS l 3NCTPGA222LS 3NC-TPGW110308LS 

B reak M aster

. 2500 .1250 .1339

S harper E dge

3 .1875.0937 .0945 .0156 .0984

  

. 2500 .1250 .1339

L ow C utting F orce

  3   3

.3750 . 1875 .1732

S trong E dged

Positive 35° Diamond

Stock

Dimensions (inch) Effective

S harper E dge

Sumitomo Catalog Number

Shape

ISO Cat. No.

Cutting Edge Length LE

S harper E dge

.0078 .1024 .0156 .0984 .0313 .1024 .0078 .0984 .0156 .0945 .0313 .0984 .0078 .0866 .0156 .0906 .0313 .0787 .0078 .0866 .0156 .0748 .0078 .0787 .0156 .0945 .0313 .0906 .0156 .0787 .0313 .0906 .0078 .1299 .0156 .1102 .0156 .0787 .0313 .0906 .0156 .0787 .0313 .0906 .0156 .0787 .0313 .0906

2NCVBGA220.5 2NC-VBGW110302

  2 ll 2 l 2   2

S trong E dged

. 2500 . 1250.1102

2NCVBGA221 2NCVBGA222 2NCVBGA331 2NCVBGA332

2NC-VBGW110304 2NC-VBGW110308

2NCVBGA330.5 2NC-VBGW160402

2NC-VBGW160404 ll 2 2NC-VBGW160408 ll 2

.3750.1875 .1732

S harper E dge

Positive 55° Diamond

2 2 2

2NCVBGA330.5LE 2NC-VBGW160402LE 2NCVBGA331LE 2NC-VBGW160404LE 2NCVBGA332LE 2NC-VBGW160408LE 2NCVBGA220.5LT 2NC-VBGW110302LT 2NCVBGA221LT 2NC-VBGW110304LT 2NCVBGA330.5LT 2NC-VBGW160402LT 2NCVBGA331LT 2NC-VBGW160404LT 2NCVBGA332LT 2NC-VBGW160408LT 2NCVBGA331LS 2NC-VBGW160404LS  2NCVBGA332LS 2NC-VBGW160408LS  2NCVBGA332HS 2NC-VBGW160408HS 2NCVCGA630.5 2NC-VCGW080202

  

.3750.1875 .1732

.0078 .0945 .0156 .0906 .0313 .0906 .0078 .0984 .0156 .0984 .0313 .0945 .0078 .0945 .0156 .0906 .0313 .0906 .0078 .0945 .0156 .0945 .0313 .0945 .0156 .0945 .0313 .0945 .0078 .0945 .0156 .0906 .0313 .0945 .0156 .0945 .0313 .0906 .0078 .0945 .0156 .0906 .0313 .0945 .0078 .0945 .0156 .0906 .0313 .0906 .0078 .0945 .0156 .0906 .0078 .0984 .0156 .0984 .0313 .0945 .0078 .0945 .0156 .0906 .0078 .0984 .0156 .0945 .0313 .0945 .0156 .0906 .0313 .0906

2NCDCGA21.50.5 2NC-DCGW070202  l 2 2NCDCGA21.51 2NC-DCGW070204 ll 2 2NCDCGA21.52 2NC-DCGW070208 ll 2 2NCDCGA32.50.5 2NC-DCGW11T302 l l 2 2NCDCGA32.51 2NC-DCGW11T304 llll 2 2NCDCGA32.52 2NC-DCGW11T308 lllll 2 2NCDCGA21.50.5WG 2NC-DCGW070202WG 2NCDCGA21.51WG 2NC-DCGW070204WG ll ll 2 ll 2 2NCDCGA21.52WG 2NC-DCGW070208WG ll ll 2 2NCDCGA32.50.5WG 2NC-DCGW11T302WG ll ll 2 2NCDCGA32.51WG 2NC-DCGW11T304WG l ll 2 2NCDCGA32.52WG 2NC-DCGW11T308WG  ll 2 2NCCCGA32.51WH 2NC-DCGW11T304WH   2 2NCCCGA32.52WH 2NC-DCGW11T308WH   2 2NCDCGA21.50.5FV 2NC-DCGW070202N-FV 2NCDCGA21.51FV 2NC-DCGW070204N-FV  l 2 ll 2 2NCDCGA21.52FV 2NC-DCGW070208N-FV 2NCDCGA32.51FV 2NC-DCGW11T304N-FV l  2 ll 2 2NCDCGA32.52FV 2NC-DCGW11T308N-FV   2 2NCDCGA32.50.5LV 2NC-DCGW11T302N-LV ll 2 2NCDCGA32.51LV 2NC-DCGW11T304N-LV l l 2 2NCDCGA32.52LV 2NC-DCGW11T308N-LV ll l 2

L ow C utting F orce

. 2500 . 0937.1102

 2 l 2  2 l 2 l 2

. 2500 . 1250.1339

.3750 .1563 .1732

.3750.1875 .1732

S harper E dge

2 2

. 2500 . 0937.1102

.3750 . 1875 .1732

S harper E dge S trong E dged

2 .3750.1875 .1732.0313 .0906

.3750.1563 .1732

 2  2

. 1875 .0937 .0906

W iper I nsert

2NCVCGA631 2NCVCGA331 2NCVCGA332

2NC-VCGW080204

2NC-VCGW160404 ll l 2 2NC-VCGW160408 ll l 2

.3750.1563 .1732

.3750 . 1875 .1732

W iper I nsert

2NCVCGA331LS 2NC-VCGW160404LS   2 2NCVCGA332LS 2NC-VCGW160408LS   2

. 2500 . 0937.1102

.3750 . 1875 .1732

S harper E dge

 l 2  l 2

2NCVCGA331HS 2NC-VCGW160404HS 2NCVCGA332HS 2NC-VCGW160408HS

.3750 . 1875 .1732

.3750.1563 .1732

S trong E dged

B reak M aster

.3750.1563 .1732

● : USA stocked item  : worldwide warehouse item

B reak M aster

2 2 2

2NCDCGA32.50.5LE 2NC-DCGW11T302N-LE 2NCDCGA32.51LE 2NC-DCGW11T304LE 2NCDCGA32.52LE 2NC-DCGW11T308LE 2NCDCGA21.50.5LT 2NC-DCGW070202LT 2NCDCGA21.51LT 2NC-DCGW070204LT 2NCDCGA32.50.5LT 2NC-DCGW11T302LT 2NCDCGA32.51LT 2NC-DCGW11T304LT 2NCDCGA32.52LT 2NC-DCGW11T308LT 2NCDCGA21.50.5LS 2NC-DCGW070202LS 2NCDCGA21.51LS 2NC-DCGW070204LS 2NCDCGA32.50.5LS 2NC-DCGW11T302LS

.3750.1563 .1732

 

L ow C utting F orce

l 2 l 2  2 l 2 l 2

For applicable holders, please see Sumitomo General Catalog

. 2500 . 0937.1102

.3750.1563 .1732

S harper E dge

2 2 2 2 2 2 2

 

. 2500.0937.1102



.3750 . 1563 .1732

2NCDCGA32.51LS 2NC-DCGW11T304LS  2NCDCGA32.52LS 2NC-DCGW11T308LS 

S harper E dge

2NCDCGA32.51HS 2NC-DCGW11T304HS 2NCDCGA32.52HS 2NC-DCGW11T308HS

 

.3750 . 1563 .1732

S trong E dged

Coated CBN Grades for Hardened Steel Machining BNC2105 / BNC2115 / BNC2125 / BNC2135 / BNC2010 / BNC2020

 Application Examples of BNC2105 / BNC2115 / BNC2125

52100 Bearing Steel Hub (60HRC)

5120 Hardened Steel Ring Gear (60HRC)

BNC2105 suppresses fractures due to crater wear and realizes stable machining

BNC2105 maintains excellent wear resistance compared to competitors' coated CBN

Tool Life Determinant: Dimensions Able to continue

Tool Life Determinant: Dimensions

300

400

150

200

BNC2105 Competitor's Product A 0

BNC2105 Competitor's Product B 0

Insert: 4NCCNGA433 (BNC2105) Cutting Conditions: vc = 660 SFM, f = .004 IPR, ap = .004” Wet

Insert: 6NCTNGA332 (BNC2105) Cutting Conditions: vc = 750 SFM, f = .0047 IPR, ap = .004” Wet

4130 Hardened Steel Gear (60HRC)

5140 Hardened Steel Ring Gear (60HRC)

Compared to competitors' coated CBN, BNC2115 reduces flank wear width by 30%, able to continue with good surface roughness

BNC2115 WH wiper insert maintains excellent surface roughness compared to competitors' coated CBN (wiper insert)

Tool Life Tool Life Determinant: Surface Roughness

Tool Life Determinant: Surface Roughness

5.0

400

Able to continue

3.0

200

BNC2115 Competitor's Product D 0

BNC2115 Competitor's Product C

(After machining 280 units)

BNC2125 BREAK MASTER LV oers excellent tool life and resolves chip control problems Low Carbon Steel Hardened Steel Sun Gear (60HRC) Insert: 2NCCCGA32.52WH (BNC2115) Cutting Conditions: vc = 500 SFM, f = .0047 IPR, ap = .0039” Wet

Insert: 4NCDNGA431 (BNC2115) Cutting Conditions: vc = 525 SFM, f = .0039 IPR, ap = .0098” Wet

5120 Hardened Steel Ring Gear (60HRC)

BNC2125 suppresses fractures due to crater wear and realizes at least double the tool life

Tool Life Determinant: Tool Fracture

Tool Life Determinant: Dimensions

No chip control problem

120

280

140

BNC2125 Competitor's Product E 0

BNC2125 + LV

Conventional Tool

Insert: 4NCCNGG432LV (BNC2125) Cutting Conditions: vc = 625 SFM, f = .0051 IPR, ap = .0118” Wet

Insert: 4NCCNGA433 (BNC2125) Cutting Conditions: vc = 500 SFM, f = .0079 IPR, ap = .0118” Dry

Coated CBN Grades for Hardened Steel Machining BNC2105 / BNC2115 / BNC2125 / BNC2135 / BNC2010 / BNC2020

 Application Examples of BNC2135 / BNC2010 / BNC2020

SCM420H Hardened Steel Hydro Chuck (58HRC)

BNC2135 with strong edged HS cutting edge treatment suppresses fractures in heavy interrupted cutting, improving tool life SCr420H Hardened Steel Gear (60HRC) BNC2135

BNC2135

BNC2135 has better fracture resistance than competitor’s coated CBN, achieving longer tool life

Tool Life Determinant: Dimensions

Tool Life Determinant: Tool Fracture

300

200

100

BNC2135 +HS

BNC2135 Competitor's Product F

Competitor's Product G

Insert: 4NCDNGA431 (BNC2135) Cutting Conditions:

Insert: 4NCCNGA431HS (BNC2135) Cutting Conditions:

vc = 330 SFM, f = .004 IPR ap = .002” Wet

vc = 330 SFM, f = .008 IPR ap = .004” Dry

S55C Hardened Steel Clutch Component (55HRC)

S45C Hardened Steel CVJ Outer Race (60HRC) BNC2010 WH type wiper insert maintains excellent surface roughness for a long time BNC2010

BNC2135

BNC2135 suppresses fractures to achieve stable machining in addition to longer tool life

Tool Life Determinant: Tool Fracture

Tool Life Determinant: Surface Roughness

Stable tool life

Surface Roughness Rz = 1.6μm

120

700

500

Unstable tool life

300

BNC2135 Competitor's Product H

BNC2010 +WH

Conventional Tool

I nsert: 4NCCNGA432 (BNC2135) Cutting Conditions:

Insert: 2NCCNGA433WH (BNC2010) Cutting Conditions: vc = 495 SFM, f = 008 IPR ap = .008” Dry BNC2020 with high-e¤ciency ES type cutting edge treatment suppresses fractures due to crater wear and oers long tool life SCr420H Hardened Steel Shaft (60HRC) BNC2020

vc = 165 SFM, f = .004 IPR ap = .004” Dry

SCr420H Hardened Steel Gear (60HRC)

BNC2020

BNC2020 with high-precision LT type cutting edge treatment suppresses burrs and improves tool life

Tool Life Determinant: Burrs

Tool Life Determinant: Tool Fracture

300

200

100

BNC2020 +ES

BNC2020 +LT

Conventional Tool

Insert: 2NCCNGA432LT (BNC2020) Cutting Conditions: vc = 330 SFM, f = .004 IPR ap = .006” Dry

Insert: 4NCDNGA432ES (BNC2020) Cutting Conditions: vc = 495 SFM, f = .006 IPR ap = .004” Dry

Coated CBN Grades for Hardened Steel Machining BNC2105 / BNC2115 / BNC2125 / BNC2135 / BNC2010 / BNC2020

BNC2100 & BNC2000 P RODUCT P AGE

Sumitomo Electric Carbide, Inc. Headquarters 1001 Business Center Drive Mount Prospect, IL 60056-2181

Phone: (847) 635-0044 Website: www.sumicarbide.com

Michigan Branch

Sumitomo Electric Carbide, Inc. - Americas Tool Engineering Center

26800 Meadowbrook Suite 120 Novi, MI 48377

5637 S. Westridge Drive New Berlin, WI 53151

595 S. Emerson Avenue Suite 100 Greenwood, IN 46143 Indiana Branch - Greenwood

Sumitomo Carbide Canada, Inc. 150 Research Lane Unit 210 Guelph, Ontario N1G 4T2 Canada

Phone: (519) 265-6050 Phone: (844) 211-6050

WWW.SUMICARBIDE.COM

CAT.COATEDCBN.10/25

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www.sumicarbide.com

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