TungCut / TungShortCut

Multi-functional system for diverse grooving needs

TungCut has a wide selection of standard items; inserts and toolholders are applicable for all grooving operations

TungModularSystem

TungFeed-Blade

WavyJoint

Applications & Features

Applications

External grooving

Internal grooving

Internal grooving and turning

Face grooving

Parting-off

Features

1. High clamping rigidity

For stable tool life and accuracy.

2. Benefits of TungTurn-Jet high pressure coolant supply

Drastically improved tool life.

3. Chip breaker for grooving and turning

Inserts & Grades

Inserts

TungCut Inserts for External Grooving, Turning and Parting-off

CW = 1.0 – 8.0 mm (.039″ – .315″)

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TungCut & TungShortCut Inserts for Undercutting and Profiling

CW = 1.85 – 8.0 mm (.073″ – .315″)

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TungCut & TungShortCut Inserts for Internal Grooving and Turning

CW = 1.2 – 8.0 mm (.047″ – .315″)

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TungCut Inserts for Face Grooving and Turning

CW = 1.2 – 8.0 mm (.047″ – .315″)

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TungCut CBN Inserts for Grooving and Turning

CW = 2.0 – 5.0 mm (.079″ – .197″)

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Main Grades

AH7025

P20 – P30 / M20 – M30 / S15 – S25
Excellent wear resistance and high rigidity
First choice for grooving of various materials

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T9225

P15 – P25
First choice for roughing to medium cutting
High fracture resistance

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BX360

Suitable for general machining of hardened steel

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Toolholders

Grooving, Turning & Parting

TungCut Toolholders

Multi-functional system for diverse grooving needs

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Internal Grooving & Turning

TungShortCut Toolholders

Toolholder that accommodates downsized internal grooving insert

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Other

TungCut Tool Blocks, Shanks

Multi-functional system for diverse grooving needs

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Other

TungModular

Modular type toolholder with square shank and PSC connection

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Practical examples

Example #1

Miniature / Electronic Industry

Part:	Ring encoder
Material:	SUM22L
Toolholder:	CTER2020-4T25
Insert:	DGM4-030
Grade:	AH7025
Cutting conditions:	Vc = 180 (m/min) f = 0.2 (mm/rev) CW = 4 (mm/min) CDX = 8 (mm) Application: Parting off Coolant: Wet

Example #2

General Engineering

Part:	Gear Housing
Material:	SCM420 / 20Cr4
Toolholder:	CTER2525-3T09
Insert:	DTX3-030
Grade:	AH725
Cutting conditions:	Vc = 120 (m/min) f = 0.15 (mm/rev) CW = 3 (mm) CDX = 7 (mm) Application: Grooving Coolant: Wet

Example #3

General Engineering

Part:	Valve
Material:	SUS304 / X5CrNi18-9
Toolholder:	CTIR25-3T05-D250
Insert:	DTX3-030
Grade:	AH7025
Cutting conditions:	Vc = 80 (m/min) f = 0.08 (mm/rev) CW = 3 (mm) CDX = 2.2 (mm) Application: Grooving Coolant: Wet

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Standard cutting conditions

External grooving, Turning, Undercutting, Parting-off

Workpiece material	Hardness	Priority	Grade	Cutting speed Vc (m/min)
Steel S45C, SCM435, etc. C45, 34CrMo4, etc.	< 300 HB	First choice	AH7025, AH725	50 – 180
	< 300 HB	Wear resistance	T9225, AH8005	80 – 300
	< 300 HB	Impact resistance	GH130	50 – 120
	< 300 HB	Surface quality	NS9530	80 – 220
Stainless steel SUS303, SUS304, etc. X10CrNiS18-9, X5CrNi18-9, etc.	< 200 HB	First choice	AH7025, AH725	50 – 120
	< 200 HB	Wear resistance	AH8005	50 – 120
	< 200 HB	Impact resistance	GH130	50 – 120
Grey cast iron FC250, etc. 250, etc.	–	First choice	T515, AH7025	50 – 180
Grey cast iron FC250, etc. 250, etc.	–	Impact resistance	GH130	50 – 180
Ductile cast iron FCD450, etc. 450-10S, etc.	–	First choice	T515, AH7025	50 – 120
Ductile cast iron FCD450, etc. 450-10S, etc.	–	Impact resistance	GH130	50 – 120
Aluminium alloys Si < 12%	–	First choice	TH10	100 – 500
Aluminium alloys Si < 12%	–	First choice	KS05F	100 – 600
Superalloys Inconel718, etc.	< HRC 40	First choice	AH8005	20 – 80
Superalloys Inconel718, etc.	< HRC 40	Impact resistance	AH7025, AH725	20 – 60
Titanium alloys Ti-6Al-4V, etc.	< HRC 40	First choice	KS05F	20 – 80
Titanium alloys Ti-6Al-4V, etc.	< HRC 40	Impact resistance	AH7025, AH725	20 – 80
Hardened steel SCM435, SUJ2, etc. 34CrMo4, B1, etc.	> HRC 50	First choice	BX360	80 – 150

Internal grooving, Face grooving

Workpiece material	Hardness	Priority	Grade	Cutting speed Vc (m/min)
Steel S45C, SCM435, etc. C45, 34CrMo4, etc.	< 300 HB	First choice	AH7025, AH725	50 – 140
	< 300 HB	Wear resistance	T9225, AH8005	80 – 240
	< 300 HB	Impact resistance	AH6235, GH130	50 – 100
	< 300 HB	Surface quality	NS9530	80 – 180
Stainless steel SUS303, SUS304, etc. X10CrNiS18-9, X5CrNi18-9, etc.	< 200 HB	First choice	AH7025, AH725	50 – 100
	< 200 HB	Wear resistance	AH8005	50 – 100
	< 200 HB	Impact resistance	AH6235, GH130	50 – 100
Grey cast iron FC250, etc. 250, etc.	–	First choice	T515, AH8005	50 – 140
Grey cast iron FC250, etc. 250, etc.	–	Impact resistance	AH6235, GH130	50 – 140
Ductile cast iron FCD450, etc. 450-10S, etc.	–	First choice	T515, AH8005	50 – 100
Ductile cast iron FCD450, etc. 450-10S, etc.	–	Impact resistance	AH6235, GH130	50 – 100
Aluminium alloys Si < 12%	–	First choice	TH10	100 – 400
Aluminium alloys Si < 12%	–	First choice	KS05F	100 – 480
Superalloys Inconel718, etc.	< HRC 40	First choice	AH8005	20 – 60
Superalloys Inconel718, etc.	< HRC 40	Impact resistance	AH7025, AH725	20 – 40
Titanium alloys Ti-6Al-4V, etc.	< HRC 40	First choice	KS05F	20 – 60
Titanium alloys Ti-6Al-4V, etc.	< HRC 40	Impact resistance	AH7025, AH725	20 – 60
Hardened steel SCM435, SUJ2, etc. 34CrMo4, B1, etc.	> HRC 50	First choice	BXA20, BX360	80 – 120

New 1.2 mm wide parting-off inserts

Workpiece material	Grade	Cutting speed Vc (m/min)	Feed f (mm/rev)
Steel C45, 34CrMo4, etc.	AH725	50 – 200	0.01 – 0.05
Stainless steel X10CrNiS18-9, etc.	AH725	50 – 200	0.01 – 0.05
Titanium alloys Ti-6Al-4V, etc.	AH725	30 – 80	0.01 – 0.05

ISO

Workpiece material

Grade

Cutting speed

Vc (m/min)

Feed

f (mm/rev)

Steel
C45, 34CrMo4, etc.

AH725

50 – 200

0.01 – 0.05

Stainless steel
X10CrNiS18-9, etc.

AH725

50 – 200

0.01 – 0.05

Titanium alloys
Ti-6Al-4V, etc.

AH725

30 – 80

0.01 – 0.05

Profile turning inserts with 35° nose angle

Workpiece materials	Grade	Cutting speed Vc (m/min)	Feed f (mm/rev)
Low carbon steels S15C, SS400, etc. C15E4, E275A, etc.	AH7025	50 – 180	0.05 – 0.3
Carbon steels, Alloy steels S55C, SCM440, etc. C55, 42CrMo4, etc.	AH7025	50 – 180	0.05 – 0.3
Free cutting steels SUH22, SUH23, etc.	AH7025	50 – 180	0.05 – 0.3
Stainless steels SUS304, X5CrNi18-9, etc.	AH7025	50 – 120	0.05 – 0.3
Grey cast iron FC250, etc. 250, etc.	AH7025	50 – 180	0.05 – 0.3
Ductile cast iron FCD450, etc. 450-10S, etc.	AH7025	50 – 120	0.05 – 0.3
Titanium alloys Ti-6AI-4V, etc.	AH7025	20 – 80	0.05 – 0.3
Superalloys Inconel718, etc.	AH7025	20 – 80	0.05 – 0.3

TungShortCut

DGSS, DTRS

Workpiece material	Hardness	Grade	Cutting speed Vc (m/min)
Steel S45C, SCM435, etc. C45, 34CrMo4, etc.	< 300 HB	AH7025	50 – 180
Stainless steel SUS303, SUS304, etc. X10CrNiS18-9, X5CrNi18-9, etc.	< 200 HB	AH7025	50 – 120
Gray cast iron FC250, etc. 250, etc.	–	AH7025	50 – 180
Ductile cast irons FCD450, etc. 450-10S, etc.	–	AH7025	50 – 120
Superalloys Inconel718, etc.	< HRC 40	AH7025	20 – 60
Titanium alloys Ti-6Al-4V, etc.	< HRC 40	AH7025	20 – 80

STV*S

Workpiece materials	Grade	Cutting speed Vc (m/min)	Feed f (mm/rev)
Low carbon steels S15C, SS400, etc. C15E4, E275A, etc.	AH725	50 – 180	0.05 – 0.1
Carbon steels, Alloy steels S55C, SCM440, etc. C55, 42CrMo4, etc.	AH725	50 – 180	0.05 – 0.1
Free cutting steels SUH22, SUH23, etc.	AH725	50 – 180	0.05 – 0.1
Stainless steels SUS304, etc. X5CrNi18-9, etc.	AH725	50 – 120	0.05 – 0.1
Grey cast iron FC250, etc. 250, etc.	AH725	50 – 180	0.05 – 0.1
Ductile cast iron FCD450, etc. 450-10S, etc.	AH725	50 – 120	0.05 – 0.1
Superalloys Inconel718, etc.	AH725	20 – 80	0.05 – 0.1
Titanium alloys Ti-6AI-4V, etc.	AH725	20 – 80	0.05 – 0.1