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Scheduled Maintenance Notice: This site will be unavailable due to scheduled maintenance from 9:00 24/11/2024 to 7:00 (SGT) 25/11/2024. We apologize for the inconvenience.
Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.

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UNION TOOL Carbide Ball End Mills（Machining Application：R Groove）

Search by specifying the lower class category

18 items

: 30; 45; 60

Days to Ship	All Same day 3 Day(s) or Less 4 Day(s) or Less 5 Day(s) or Less 6 Day(s) or Less 7 Day(s) or Less 8 Day(s) or Less 9 Day(s) or Less 10 Day(s) or Less 11 Day(s) or Less

HM Coated 2-flute, Long Neck Ball HSLB

UNION TOOL

[Features]
· Compared to conventional products, this model achieves higher machining efficiency, longer service life and higher quality machining of hard mold materials at 40 HRC or more.
· New HARDMAX coating adopted to maintain film hardness while improving oxidation resistance
· Provides stable processing for water-soluble/oil-based cutting oil, oil mist, and air blow
· The machining dimension has been improved by improving the wear resistance and setting the rake angle of the ball tip to negative
· The rake angle on the outer circumference side of the ball has been set to weak negative, securing sharpness, providing an excellent processed surface and preventing deflection

Standard Price:	SGD 27.79-
Days to Ship:	4 Day(s) or more

UT Coat, 2-flute Ball CSEB

UNION TOOL

[Features]
· With optimized blade shape, outstanding surface roughness is achieved for finishing and excellent wear resistance for roughing.
· New UTCOAT with improved hardness, toughness, lubricity and adhesion is used to increase the wear resistance and surface roughness.
· Supports a wide range from copper and raw materials to 55 HRC.

Standard Price:	SGD 27.42-
Days to Ship:	4 Day(s) or more

HSB, HM Coated 2-Flute Ball

UNION TOOL

Standard Price:	SGD 27.42-
Days to Ship:	4 Day(s) or more

HLB, HM Coat, 2-Flute Long Neck Ball End Mill

UNION TOOL

[Features]
· Can even be used to cut 65 HRC high speed steel material, with outstanding heat resistance temperature and lubricity
· Provides unprecedented long life and can be used for both dry and wet applications

Standard Price:	SGD 29.17-
Days to Ship:	6 Day(s) or more

UDC Coat, 2-flute Ball UDCB

UNION TOOL

[Features]
· Ball-end mill for cemented carbide / hard brittle material machining
· Diamond coating for cemented carbide machining realizes outstanding hardness, toughness and adhesive strength
· Phenomenal "deep" cutting is enabled through adoption of an ideal blade shape.
· Achieves tear-free, excellent machined surfaces, especially from medium rough to finish machining

Standard Price:	SGD 313.66-
Days to Ship:	8 Day(s)

HB, HM Coated, 2-Flute Ball End Mill [Alteration Supported Product]

UNION TOOL

Standard Price:	SGD 30.05-
Days to Ship:	6 Day(s) or more

DIA Coated Series, for Graphite Processing, DCB, 2-Flute Ball

UNION TOOL

[Features]
· 2-Flute Diamond-Coated Ball Series for Graphite Electrode Processing
· The newly developed diamond coating film achieves outstanding wear resistance
· Adopts a highly adhesive coating film for longer product life

Standard Price:	SGD 119.26-
Days to Ship:	5 Day(s) or more

CFB, for Raw Wood to Machining, 3-Flute Ball [Alteration Supported Product]

UNION TOOL

[Features]
· 3-flute type achieves remarkably high feed. Shortens the roughing time
· Deep cutting is possible, enabling high efficiency machining even with shape processing where feeding speed cannot be increased
· Designed with 3-flute variable split to suppress chatter.
· It uses UTCOAT and can support a wide range from raw materials through low/medium hardness materials up to 55 HRC
· Provides excellent chip discharge performance and outstanding finished surface roughness with 3-groove tip shape (excluding R0.75 and below)

Standard Price:	SGD 47.60-
Days to Ship:	4 Day(s) or more

HBL, HM Coated 2-Flute Long Shank Ball

UNION TOOL

[Features]
· Long Shank Ball End Middle Series Supporting High-Hardness Materials
· Uses HardMax coating compatible with high-speed machining of high-hardness materials
· Capable of stable, long-life machining for both dry and wet type

Standard Price:	SGD 91.38-
Days to Ship:	5 Day(s) or more

HFB, HM Coated 4-Flute High-Efficiency Short Shank Ball

UNION TOOL

[Features]
· Supports Shrink Fit Holders
· Suppresses unnecessary tool protrusion to enable higher precision processing
· Reduces processes in cutting
· Increases machining efficiency through combination with shrink fit holder.

Standard Price:	SGD 51.18-
Days to Ship:	4 Day(s) or more

HFB, HM Coated, 4-Flute High Efficiency Ball End Mill [Alteration Supported Product]

UNION TOOL

[Features]
· Significantly enhances machining efficiency.
· The chip discharge capacity is up to 27 times higher (compared to the manufacturer's previous product)
· With the newly developed ball tip shape, the bottom surface is treated with non-polish processing
· Reasonable price setting
· Has 4 flutes but is still cheaper than 3-flute types from other companies

Standard Price:	SGD 51.18-
Days to Ship:	5 Day(s) or more

HTNB HM coat 2-flute taper neck ball end mill

UNION TOOL

[Features]
· High rigidity realized through an improved taper neck shape.
· Adopts the HARDMAX coating that realizes outstanding heat resistance and lubricity
· 65 HRC high hardness materials can also be cut

Standard Price:	SGD 57.34-
Days to Ship:	4 Day(s) or more

DIA Coated Series, for Graphite Processing, DCLB, 2-Flute Long Neck Ball End Mill

UNION TOOL

Standard Price:	SGD 97.25-
Days to Ship:	5 Day(s) or more

CGB2000, for Graphite Processing, 2-Flute Ball [Alternation Supported Product]

UNION TOOL

[Features]
· An end mill dedicated for graphite machining.
· Adopts a carbide base material with excellent wear resistance.

Standard Price:	SGD 82.57-
Days to Ship:	4 Day(s) or more

CGB4000 4-Flute Ball for Graphite Processing

UNION TOOL

[Features]
· An end mill dedicated for graphite machining.
· Adopts a carbide base material with excellent wear resistance.

Standard Price:	SGD 162.54-
Days to Ship:	5 Day(s) or more

CPRB 2-Flute Long Neck Ball End Mill for Resin Machining

UNION TOOL

[Features]
· Long Neck Ball End Mill for Resin Processing
· Ideal for deep grooving thanks to the undercut processing of the neck part

Standard Price:	SGD 46.78-
Days to Ship:	4 Day(s) or more

UT COAT 2-Flute Long-Neck Ball CSLEB

UNION TOOL

Standard Price:	SGD 27.79-
Days to Ship:	4 Day(s) or more

CFLB, UT Coat 3-Flute Long Neck Ball End Mill

UNION TOOL

[Features]
· Provides amazing high feed compared to the conventional 2-flute long neck ball.
· With new UTCOAT, outstanding lubricity and long life are achieved.
· Designed with 3-flute variable split to reduce chatter, enabling high precision die cutting.
· Provides excellent chip discharge performance and outstanding finished surface roughness with 3-groove tip design (excluding R0.75 and below)
· O.D. Tolerance: 0/-0.02

Standard Price:	SGD 48.18-
Days to Ship:	4 Day(s) or more


Brand
Product Series
Days to Ship
R Size(mm)
Blade length (ℓ)(mm)
Underneck length (ℓ1)(mm)
Shank diameter (d)(mm)
Number of flutes(sheet)
Overall Length (L)(mm)
work material
R Precision(μm)
Machining Application
Coating
Type


Brand	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL
Product Series	HM Coated 2-flute, Long Neck Ball HSLB	UT Coat, 2-flute Ball CSEB	HSB, HM Coated 2-Flute Ball	HLB, HM Coat, 2-Flute Long Neck Ball End Mill	UDC Coat, 2-flute Ball UDCB	HB, HM Coated, 2-Flute Ball End Mill [Alteration Supported Product]	DIA Coated Series, for Graphite Processing, DCB, 2-Flute Ball	CFB, for Raw Wood to Machining, 3-Flute Ball [Alteration Supported Product]	HBL, HM Coated 2-Flute Long Shank Ball	HFB, HM Coated 4-Flute High-Efficiency Short Shank Ball	HFB, HM Coated, 4-Flute High Efficiency Ball End Mill [Alteration Supported Product]	HTNB HM coat 2-flute taper neck ball end mill	DIA Coated Series, for Graphite Processing, DCLB, 2-Flute Long Neck Ball End Mill	CGB2000, for Graphite Processing, 2-Flute Ball [Alternation Supported Product]	CGB4000 4-Flute Ball for Graphite Processing	CPRB 2-Flute Long Neck Ball End Mill for Resin Machining	UT COAT 2-Flute Long-Neck Ball CSLEB	CFLB, UT Coat 3-Flute Long Neck Ball End Mill
Days to Ship	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	6 Day(s) or more	8 Day(s)	6 Day(s) or more	5 Day(s) or more	4 Day(s) or more	5 Day(s) or more	4 Day(s) or more	5 Day(s) or more	4 Day(s) or more	5 Day(s) or more	4 Day(s) or more	5 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more
R Size(mm)	0.05 ～ 3	0.1 ～ 6	0.03 ～ 6	0.4 ～ 3	0.1 ～ 3	0.1 ～ 0.75	0.5 ～ 6	0.3 ～ 6	1.5 ～ 6	1 ～ 6	1 ～ 6	0.1 ～ 2	0.2 ～ 3	0.2 ～ 6	2 ～ 10	0.2 ～ 3	0.05 ～ 3	0.3 ～ 3
Blade length (ℓ)(mm)	0.08 ～ 4.8	0.3 ～ 18	0.06 ～ 22	0.64 ～ 4.8	0.14 ～ 4.2	0.3 ～ 2.5	5 ～ 55	0.9 ～ 18	4.5 ～ 25	3 ～ 18	3 ～ 18	0.16 ～ 50	0.32 ～ 6	0.8 ～ 55	20 ～ 60	0.4 ～ 6	0.08 ～ 4.8	0.48 ～ 4.8
Underneck length (ℓ1)(mm)	0.3 ～ 60	-	-	3 ～ 30	-	-	-	-	-	-	-	1.5 ～ 62	2 ～ 80	-	-	1 ～ 50	0.3 ～ 60	2 ～ 40
Shank diameter (d)(mm)	3 ～ 6	4 ～ 12	4 ～ 12	4 ～ 6	4 ～ 6	4	4 ～ 12	4 ～ 12	3 ～ 12	4 ～ 12	4 ～ 12	4 ～ 6	4 ～ 6	4 ～ 12	4 ～ 20	4 ～ 6	3 ～ 6	4 ～ 6
Number of flutes(sheet)	2	2	2	2	2	2	2	3	2	4	4	2	2	2	4	2	2	3
Overall Length (L)(mm)	45 ～ 120	50 ～ 110	50 ～ 110	45 ～ 80	50 ～ 60	50	60 ～ 180	50 ～ 120	80 ～ 200	40 ～ 60	50 ～ 110	4 ～ 120	45 ～ 120	60 ～ 200	100 ～ 250	45 ～ 120	45 ～ 120	50 ～ 90
work material	general steel[○] / Quenched and tempered steel[◎] / High Hardness Steel-HRC55[◎] / High Hardness Steel-HRC60[◎] / High Hardness Steel-HRC65[◎] / Stainless Steel[○] / Cast Iron[○] / Titanium[○] / Copper[○]	general steel[◎] / Quenched and tempered steel[◎] / High Hardness Steel-HRC55[◎] / Stainless Steel[◎] / Cast Iron[○] / Titanium[○] / Copper[◎]	general steel[○] / Quenched and tempered steel[◎] / High Hardness Steel-HRC55[◎] / High Hardness Steel-HRC60[◎] / High Hardness Steel-HRC65[◎] / Stainless Steel[○] / Cast Iron[○] / Titanium[○] / Copper[○]	general steel[○] / Quenched and tempered steel[◎] / High Hardness Steel-HRC55[◎] / High Hardness Steel-HRC60[○] / Stainless Steel[○] / Cast Iron[○] / Titanium[○] / Copper[◎]	-	general steel[○] / Quenched and tempered steel[◎] / High Hardness Steel-HRC55[◎] / High Hardness Steel-HRC60[○] / Stainless Steel[○] / Cast Iron[○] / Titanium[○] / Copper[◎]	Aluminum[○] / Copper[○] / Graphite[◎] / Resin[○]	general steel[◎] / Quenched and tempered steel[◎] / High Hardness Steel-HRC55[◎] / Stainless Steel[◎] / Cast Iron[○] / Aluminum[◎] / Titanium[◎] / Copper[◎]	general steel[○] / Quenched and tempered steel[◎] / High Hardness Steel-HRC55[◎] / High Hardness Steel-HRC60[○] / Stainless Steel[○] / Cast Iron[○] / Titanium[○] / Copper[◎]	High Hardness Steel-HRC55[◎] / High Hardness Steel-HRC60[◎] / High Hardness Steel-HRC65[◎]	High Hardness Steel-HRC55[◎] / High Hardness Steel-HRC60[◎] / High Hardness Steel-HRC65[◎]	general steel[○] / Quenched and tempered steel[○/◎] / High Hardness Steel-HRC55[○/◎] / High Hardness Steel-HRC60[○/◎] / High Hardness Steel-HRC65[○/◎] / Stainless Steel[○] / Cast Iron[○] / Titanium[○] / Copper[○/◎]	Aluminum[○] / Copper[○] / Graphite[◎] / Resin[○]	Aluminum[○] / Copper[○] / Graphite[◎] / Resin[○]	Aluminum[○] / Copper[○] / Graphite[◎] / Resin[○]	Aluminum[○] / Copper[◎] / Resin[◎]	general steel[◎] / Quenched and tempered steel[◎] / High Hardness Steel-HRC55[◎] / Stainless Steel[◎] / Cast Iron[○] / Titanium[○] / Copper[◎]	general steel[◎] / Quenched and tempered steel[◎] / High Hardness Steel-HRC55[◎] / Stainless Steel[◎] / Cast Iron[○] / Aluminum[◎] / Titanium[◎]
R Precision(μm)	-0.005～0.005 ～ -0.002～0.002	-0.007～0.007 ～ -0.005～0.005	-0.007～0.007 ～ -0.002～0.002	-0.002～0.002	-0.01～0.01	-0.005～0.005	-0.01～0.01	-0.01～0.01 ～ -0.005～0.005	-0.007～0.007 ～ -0.005～0.005	-0.01～0.01 ～ -0.005～0.005	-0.01～0.01 ～ -0.005～0.005	-0.005～0.005	-0.01～0.01	-0.01～0.01	-0.01～0.01	-0.01～0.01	-0.005～0.005 ～ -0.002～0.002	-0.007～0.007 ～ -0.005～0.005
Machining Application	R Groove	R Groove	R Groove	R Groove	R Groove	R Groove	R Groove	R Groove	R Groove	R Groove	R Groove	R Groove	R Groove	R Groove	R Groove	R Groove	R Groove	R Groove
Coating	For High Hardness (Silicon Group)	TiCN	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	Other	For High Hardness (Silicon Group)	Dia Coat	TiCN	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group) / For General Steels (AlCrN, etc.)	Dia Coat	Non-Coated	Non-Coated	Non-Coated	TiCN	TiCN
Type	Long-Neck Ball	Ball	Ball	Long-Neck Ball	Ball	Ball	Ball	Ball	Ball	Ball	Ball	Tapered neck ball	Long-Neck Ball	Ball	Ball	Long-Neck Ball	Long-Neck Ball	Long-Neck Ball

Configure

Specification/Dimensions

R Size(mm)
0.005

0.01

0.015

0.02

0.025

0.03

0.04

0.05

R0.05

0.075

0.1

R0.1

0.125

0.15

R0.15

0.175

0.2

R0.2

0.225

0.25

R0.25

0.275

0.3

R0.3

0.325

0.35

R0.35

0.375

0.4

R0.4

0.425

0.45

R0.45

0.475

0.5

R0.5

0.55

R0.55

0.6

R0.6

0.65

R0.65

0.7

R0.7

0.75

R0.75

0.8

R0.8

0.85

R0.85

0.9

R0.9

0.95

R0.95

1

R1

1.05

1.1

1.15

1.2

1.25

R1.25

1.3

1.35

1.4

1.45

1.5

R1.5

1.55

1.6

1.65

1.7

1.75

R1.75

1.8

1.85

1.9

1.95

2

R2

2.05

2.1

2.15

2.2

2.25

R2.25

2.3

2.35

2.4

2.45

2.5

R2.5

2.55

2.6

2.65

2.7

2.75

R2.75

2.8

2.85

2.9

2.95

3

R3

R 3.0

3.05

3.1

3.15

3.175

3.2

3.25

R3.25

3.3

3.35

3.4

3.45

3.5

R3.5

3.55

3.6

3.65

3.7

3.75

R3.75

3.8

3.85

3.9

3.95

4

R4

4.05

4.1

4.15

4.2

4.25

R4.25

4.3

4.35

4.4

4.45

4.5

R4.5

4.55

4.6

4.65

4.7

4.75

4.8

4.85

4.9

4.95

5

R5

5.05

5.1

5.15

5.2

5.25

5.3

5.35

5.4

5.45

5.5

R5.5

5.55

5.6

5.65

5.7

5.75

5.8

5.85

5.9

5.95

6

R6

6.05

6.1

6.15

6.2

6.25

6.3

6.35

6.4

6.45

6.5

6.55

6.6

6.65

6.7

6.75

6.8

6.85

6.9

6.95

7

R7

7.05

7.1

7.15

7.2

7.25

7.3

7.35

7.4

7.45

7.5

7.55

7.6

7.65

7.7

7.75

7.8

7.85

7.9

7.95

8

R8

8.05

8.1

8.15

8.2

8.25

8.3

8.35

8.4

8.45

8.5

8.55

8.6

8.65

8.7

8.75

8.8

8.85

8.9

8.95

9

R9

9..5

9.05

9.1

9.15

9.2

9.25

9.3

9.35

9.4

9.45

9.5

9.55

9.6

9.65

9.7

9.75

9.8

9.85

9.9

9.95

10

R10

10.25

10.5

10.75

11

11.5

12

12.25

12.5

12.75

13

13.5

14

14.5

15

15.5

16

16.5

17

17.5

18

18.5

19

19.5

20

22.0

22.5

23.0

24.0

25
Drawing

Clear

Blade length (ℓ)(mm)
- 0.01～0.96
  - 0.01
  - 0.02
  - 0.03
  - 0.04
  - 0.05
  - 0.06
  - 0.07
  - 0.08
  - 0.1
  - 0.12
  - 0.14
  - 0.15
  - 0.16
  - 0.2
  - 0.21
  - 0.23
  - 0.24
  - 0.28
  - 0.3
  - 0.32
  - 0.35
  - 0.38
  - 0.4
  - 0.42
  - 0.45
  - 0.48
  - 0.49
  - 0.5
  - 0.56
  - 0.6
  - 0.63
  - 0.64
  - 0.65
  - 0.7
  - 0.72
  - 0.75
  - 0.76
  - 0.8
  - 0.84
  - 0.9
  - 0.95
  - 0.96
- 1～1.9
  - 1
  - 1.05
  - 1.1
  - 1.12
  - 1.2
  - 1.25
  - 1.26
  - 1.28
  - 1.3
  - 1.4
  - 1.44
  - 1.45
  - 1.5
  - 1.6
  - 1.7
  - 1.75
  - 1.8
  - 1.9
- 2～2.9
  - 2
  - 2.1
  - 2.2
  - 2.25
  - 2.3
  - 2.4
  - 2.5
  - 2.6
  - 2.7
  - 2.75
  - 2.8
  - 2.9
- 3～3.9
  - 3
  - 3.2
  - 3.25
  - 3.5
  - 3.6
  - 3.7
  - 3.75
  - 3.8
  - 3.85
  - 3.9
- 4～4.9
  - 4
  - 4.1
  - 4.2
  - 4.25
  - 4.4
  - 4.5
  - 4.7
  - 4.75
  - 4.8
  - 4.9
- 5～5.9
  - 5
  - 5.1
  - 5.2
  - 5.3
  - 5.4
  - 5.5
  - 5.6
  - 5.7
  - 5.8
  - 5.9
- 6～6.9
  - 6
  - 6.2
  - 6.25
  - 6.3
  - 6.5
  - 6.6
  - 6.7
  - 6.8
  - 6.9
- 7～7.5
  - 7
  - 7.1
  - 7.2
  - 7.4
  - 7.5
- 8～8.9
  - 8
  - 8.1
  - 8.2
  - 8.3
  - 8.5
  - 8.6
  - 8.7
  - 8.9
- 9～9.7
  - 9
  - 9.5
  - 9.7
- 10～10.5
  - 10
  - 10.5
- 11～11.5
  - 11
  - 11.2
  - 11.5
- 12～12.7
  - 12
  - 12.5
  - 12.7
- 13～13.5
  - 13
  - 13.5
- 14～14.5
  - 14
  - 14.5
- 15
- 16～16.5
  - 16
  - 16.5
- 17～17.5
  - 17
  - 17.5
- 18
- 19
- 20～20.5
  - 20
  - 20.5
- 21～21.5
  - 21
  - 21.5
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30～30.5
  - 30
  - 30.5
- 31
- 32
- 34
- 35
- 36
- 38
- 40
- 41.5
- 45
- 46
- 48
- 50
- 53
- 55
- 58
- 60
- 65
- 66
- 70
- 80
- 90
- 100
- 110
- 120
- 130
Drawing

Clear

Underneck length (ℓ1)(mm)
- 0.1～0.9
  - 0.1
  - 0.2
  - 0.3
  - 0.45
  - 0.5
  - 0.6
  - 0.75
  - 0.8
  - 0.9
- 1～1.8
  - 1
  - 1.1
  - 1.2
  - 1.25
  - 1.5
  - 1.6
  - 1.75
  - 1.8
- 2～2.8
  - 2
  - 2.1
  - 2.2
  - 2.25
  - 2.3
  - 2.4
  - 2.5
  - 2.6
  - 2.7
  - 2.75
  - 2.8
- 3～3.8
  - 3
  - 3.3
  - 3.5
  - 3.6
  - 3.75
  - 3.8
- 4～4.8
  - 4
  - 4.2
  - 4.3
  - 4.4
  - 4.5
  - 4.6
  - 4.8
- 5～5.8
  - 5
  - 5.2
  - 5.4
  - 5.5
  - 5.6
  - 5.8
- 6～6.5
  - 6
  - 6.5
- 7～7.8
  - 7
  - 7.5
  - 7.8
- 8～8.5
  - 8
  - 8.
  - 8.5
- 9～9.5
  - 9
  - 9.5
- 10～10.5
  - 10
  - 10.5
- 11
- 12～12.5
  - 12
  - 12.5
- 13
- 14
- 15
- 16
- 17.5
- 18
- 20
- 21
- 22
- 23.1
- 24
- 25～25.6
  - 25
  - 25.6
- 26～26.8
  - 26
  - 26.8
- 27～27.6
  - 27
  - 27.6
- 28～28.7
  - 28
  - 28.7
- 30
- 31～31.6
  - 31
  - 31.5
  - 31.6
- 32～32.1
  - 32
  - 32.1
- 33～33.6
  - 33
  - 33.5
  - 33.6
- 34
- 35～35.6
  - 35
  - 35.5
  - 35.6
- 36～36.1
  - 36
  - 36.1
- 38～38.6
  - 38
  - 38.2
  - 38.6
- 39.5
- 40
- 41～41.4
  - 41
  - 41.2
  - 41.4
- 42～42.2
  - 42
  - 42.2
- 43～43.2
  - 43
  - 43.2
- 44～44.7
  - 44
  - 44.2
  - 44.7
- 45～45.2
  - 45
  - 45.2
- 46～46.7
  - 46
  - 46.5
  - 46.7
- 47.5
- 48～48.9
  - 48
  - 48.7
  - 48.9
- 49
- 50～50.7
  - 50
  - 50.7
- 52
- 53
- 54～54.5
  - 54
  - 54.5
- 57
- 58～58.5
  - 58
  - 58.5
- 60～60.8
  - 60
  - 60.3
  - 60.8
- 61～61.8
  - 61
  - 61.3
  - 61.8
- 62～62.5
  - 62
  - 62.3
  - 62.5
- 63～63.3
  - 63
  - 63.3
- 64.3
- 65
- 70
- 75
- 80～80.4
  - 80
  - 80.4
- 81.4
- 82.4
- 85
- 90～90.4
  - 90
  - 90.4
- 92.9
- 100
- 106
- 110
- 112
- 120～120.6
  - 120
  - 120.6
- 121.6
- 122.6
- 130
- 140
- 150
- 160～160.8
  - 160
  - 160.8
- 200
Drawing

Clear

Shank diameter (d)(mm)
2.90

3

3.80

4

4.80

5

5.80

6

7

7.80

8

9

9.70

10

11

11.70

12

14

15

15.70

16

18

20

25

32

42

CN50.8
Drawing

Clear

Number of flutes(sheet)
1

2

3

4

5

6
Clear

Overall Length (L)(mm)
4

32

34

35

38

40

45

49

50

51

52

53

54

55

57

58

60

63

65

70

72

73

75

78

80

83

85

90

92

100

104

105

110

115

116

120

121

125

130

133

134

140

150

153

155

160

170

175

180

185

190

200

206

210

220

230

240

250

280

300

330

350
Drawing

Clear

work material
- general steel
- Quenched and tempered steel
- High Hardness Steel-HRC55
- High Hardness Steel-HRC60
- High Hardness Steel-HRC65
- Stainless Steel
- Cast Iron
- Aluminum
- Titanium
- Copper
- Graphite
- Resin
Details

Clear

R Precision(μm)
-10～+10

-7 to +3

-0.02 to 0.02

-0.015～+0.015

-0.01

-0.01 to 0.01

-0.01～0.01

-0.01～+0.01

-0.008～+0.008

-0.007 to 0.003

-0.007 ~ +0.003

-0.007～0.003

-0.007～+0.003

-0.007～0.007

-0.007～+0.007

-0.005 to +0.005

-0.005～0.005

-0.005～+0.005

-0.003 to 0.003

-0.003～+0.003

-0.002～0.002

0～-50

0～-40

0～-0.04

0～-0.03

0.002～-0.002

0.003～-0.003

＋0.003～－0.003

±0.005

0.005～-0.005

＋0.005～－0.005

±0.01

0.01～-0.01

＋0.01～－0.01

±0.02

0.02～-0.02

0.05～-0.05

±0.07

±2

±3

3 to -3

±5

5 to -5

5～-5

±8

±10

10～-10
Clear

Machining Application
- Curved surface
- Side
- Engraving
- R Groove
Images

Clear

Coating
- For High Hardness (Silicon Group)
- TiAlN
- For General Steels (AlCrN, etc.)
- TiCN
- DLC
- CrN
- Dia Coat
- Non-Coated
- MRC
- DG
- Other
Details

Clear

Type
- Ball
- Long-Neck Ball
- Tapered neck ball
- Spherical Ball
Clear

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UNION TOOL Carbide Ball End Mills（Machining Application：R Groove）

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Specification/Dimensions

R Size(mm)

Blade length (ℓ)(mm)

Underneck length (ℓ1)(mm)

Shank diameter (d)(mm)

Number of flutes(sheet)

Overall Length (L)(mm)

work material

R Precision(μm)

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