UNION TOOL Carbide Radius End Mills（work material：High Hardness Steel: to HRC55）

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Promotional pricing

HLRS2000 HM Coated 2 Flute Long-Neck Radius

UNION TOOL

[Features]
· Long neck radius shape that exhibits power in high-performance and high-quality machining
· Capable of cutting everything from raw materials to high-hardness materials
· Capable of stable, long-life machining for both dry and wet type

Volume Discount

Starting from^∗ ：	43.45 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

HRRS, HM Coated 4-Flute Radius

UNION TOOL

[Features]
· Higher speed and higher precision machining enabled by shortening the total length and reducing the protruding part of the tool
· The optimized corner radius size enables processing with larger feed than conventional
· Seamless Corner Radius Shape
· High hardness materials up to 65 HRC can also be machined

Starting from^∗ ：	76.38 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Promotional pricing

HLRS 4-Flute Long-Neck Radius

UNION TOOL

[Features]
· Long neck radius shape that exhibits power in high-performance and high-quality machining
· Rigidity-oriented blade shape provides long life even when machining high hardness materials
· Capable of stable machining for both dry and wet type
· New HARDMAX coating adopted to improve oxidation resistance.

Starting from^∗ ：	55.58 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Promotional pricing

HLRS2000E High Accuracy Type, High R Precision Long-Neck Radius

UNION TOOL

Starting from^∗ ：	60.34 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

CRS40HSP High Efficiency 3-Flute Long Neck Radius 40° Twist

UNION TOOL

[Features]
· High Efficiency 3-Flute Long Neck Radius (Short Blade)
· 40° Torsion
· Supports materials from SUS to pre-hardened and hardened steel (60 HRC)

Starting from^∗ ：	70.40 €
Min. Shipping Days ：	9 Days

*Unit price with basic configuration

HRRS, HM Coated 4-Flute Short Shank Radius

UNION TOOL

[Features]
· Unique corner rounding creates larger cutting depth and pick feed than with a ball
· The seamless corner radius shape reduces cutting resistance and chattering
· High hardness materials up to 65 HRC can also be machined

Starting from^∗ ：	76.10 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

C-CRS UT Coated 2-Flute Radius

UNION TOOL

[Features]
· Supports a wide range of applications from carbon to hardened steel (up to 55 HRC)
· Available with an extensive lineup of corner radii

Starting from^∗ ：	88.62 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration

Promotional pricing

CRRS UT Coated 4-Flute Radius

UNION TOOL

[Features]
· Suitable for everything from raw materials to 55 HRC, the UTCOAT provides a long life
· Variable split, high torsion and positive rake angle design enables stable machining
· A blade design that reduces the cutting resistance in helical and inclined use, etc.

Volume Discount

Starting from^∗ ：	85.32 €
	Special price
Min. Shipping Days ：	Same day

*Unit price with basic configuration

CNRS 4-Flute Radius for Difficult-to-Machine Materials

UNION TOOL

[Features]
· High Efficiency 4-Flute Radius for Machining Titanium / Super Heat Resistant Alloy
· Life-span increasing UT coating suitable for heat resistant and difficult to cut materials
· Variable split, high torsion and positive rake angle design enables stable machining
· A blade design that reduces the cutting resistance in helical and inclined use, etc.

Starting from^∗ ：	131.63 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

CRS20HSP High Efficiency 4-Flute Long Neck Radius 20° Twist

UNION TOOL

[Features]
· High-rigidity 4-flute radius 8 (for high-hardness materials). 20° torsion.

Starting from^∗ ：	48.20 €
Min. Shipping Days ：	9 Days

*Unit price with basic configuration

HRRS 6-Flute Long Neck Radius

UNION TOOL

[Features]
· A long neck radius end mill; ideal for machining high hardness materials.
· 6-flute type; designed with an emphasis on rigidity.

Starting from^∗ ：	116.34 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration


Brand
Product Series
Starting from^∗
Min. Shipping Days ：
Blade diameter (D)(φ)
R Size(mm)
work material
Blade length (ℓ)(mm)
Number of flutes(sheet)
Type
Overall Length (L)(mm)
Shank diameter (d)(mm)
Underneck length (ℓ1)(mm)
Machining Application
Coating
Torsion Angle (θ)
R Precision(μm)

	Promotional pricing		Promotional pricing	Promotional pricing				Promotional pricing
Brand	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL
Product Series	HLRS2000 HM Coated 2 Flute Long-Neck Radius	HRRS, HM Coated 4-Flute Radius	HLRS 4-Flute Long-Neck Radius	HLRS2000E High Accuracy Type, High R Precision Long-Neck Radius	CRS40HSP High Efficiency 3-Flute Long Neck Radius 40° Twist	HRRS, HM Coated 4-Flute Short Shank Radius	C-CRS UT Coated 2-Flute Radius	CRRS UT Coated 4-Flute Radius	CNRS 4-Flute Radius for Difficult-to-Machine Materials	CRS20HSP High Efficiency 4-Flute Long Neck Radius 20° Twist	HRRS 6-Flute Long Neck Radius
Starting from^∗	43.45 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	76.38 € *Unit price with basic configuration	55.58 € Special price *Unit price with basic configuration Promotional pricing	60.34 € Special price *Unit price with basic configuration Promotional pricing	70.40 € *Unit price with basic configuration	76.10 € *Unit price with basic configuration	88.62 € *Unit price with basic configuration	85.32 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	131.63 € *Unit price with basic configuration	48.20 € *Unit price with basic configuration	116.34 € *Unit price with basic configuration
Min. Shipping Days ：	Same day	6 Days	Same day	Same day	9 Days	6 Days	7 Days	Same day	6 Days	9 Days	6 Days
Blade diameter (D)(φ)	0.4 ～ 6	2 ～ 12	0.8 ～ 6	0.2 ～ 6	3 ～ 12	2 ～ 12	3 ～ 6	2 ～ 12	6 ～ 12	2　～ 12	-
R Size(mm)	0.05 ～ 1	0.3 ～ 4	0.05 ～ 1	0.05 ～ 1	0.1 ～ 0.5	0.3 ～ 4	0.3 ～ 2	0.3 ～ 2	1 ～ 2	0.2 ～ 1.2	-
work material	High Hardness Steel: to HRC55[◎]	High Hardness Steel: to HRC55[◎]	High Hardness Steel: to HRC55[◎]	High Hardness Steel: to HRC55[◎]	High Hardness Steel: to HRC55[○]	High Hardness Steel: to HRC55[◎]	High Hardness Steel: to HRC55[◎]	High Hardness Steel: to HRC55[◎]	High Hardness Steel: to HRC55[◎]	High Hardness Steel: to HRC55[◎]	High Hardness Steel: to HRC55[◎]
Blade length (ℓ)(mm)	0.4 ～ 6	2 ～ 12	0.48 ～ 4.8	0.2 ～ 6	4 ～ 15	2 ～ 12	10 ～ 15	2 ～ 12	16 ～ 26	2.5 ～ 15	6 ～ 12
Number of flutes(sheet)	2	4	4	2	3	4	2	4	4	4	6
Type	Long-Neck Radius	Long-Neck Radius	Long-Neck Radius	Long-Neck Radius	Long-Neck Radius	Long-Neck Radius	Radius	Long-Neck Radius	Radius	Long-Neck Radius	Long-Neck Radius
Overall Length (L)(mm)	50 ～ 120	70 ～ 120	50 ～ 120	50 ～ 100	38 ～ 120	45 ～ 75	45 ～ 50	60 ～ 120	90 ～ 120	50 ～ 75	60 ～ 100
Shank diameter (d)(mm)	4 ～ 6	3 ～ 12	4 ～ 6	4 ～ 6	3 ～ 12	3 ～ 12	6	4 ～ 12	6 ～ 12	6 ～ 12	6 ～ 12
Underneck length (ℓ1)(mm)	1 ～ 60	6 ～ 36	2 ～ 48	0.5 ～ 30	7 ～ 54	6 ～ 36	-	6 ～ 36	-	5 ～ 30	-
Machining Application	Plane / Side / Curved surface / Groove / Plunging (Z feed)	Plane / Side / Curved surface	Plane / Side / Curved surface	Plane / Side / Curved surface / Groove / Plunging (Z feed)	Plane / Side / Groove	Plane / Side / Curved surface	Plane / Side / Curved surface / Groove / Plunging (Z feed)	Plane / Side / Curved surface	Plane / Side / Curved surface	Plane / Side / Groove	-
Coating	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)	-	TiCN	-	TiCN	For High Hardness (Silicon Group)	For High Hardness (Silicon Group)
Torsion Angle (θ)	Standard Helix (30˚ to 40˚)	High Helix (45˚ to 60˚)	Standard Helix (30˚ to 40˚)	Standard Helix (30˚ to 40˚)	Standard Helix (30˚ to 40˚)	High Helix (45˚ to 60˚)	-	-	-	Weak torsion (15˚ to 25˚)	High Helix (45˚ to 60˚)
R Precision(μm)	-	-	-	-	-	-	-	-	-	-	±10 ～ ±15

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Blade diameter (D)(φ)
0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

1.2

1.4

1.5

1.6

1.8

2

2　

2.5

2.8

3

3　

3.5

4

4　

4.5

5

5　

5.5

6

7

8

8　

9

10

10　

11

12

12　

13

14

16

17

18

20

22

25
Drawing

Clear

R Size(mm)
R0

0.02

0.03

0.05

0.1

0.15

0.2

0.25

0.3

0.4

0.5

0.6

0.7

0.75

0.76

0.8

0.813

0.9

1

R1

1.1

1.2

1.219

1.3

1.4

1.5

R1.5

1.6

1.625

1.7

1.8

1.9

2

R2

2.031

2.1

2.2

2.3

2.4

2.438

2.465

2.5

R2.5

2.6

2.607

2.7

2.8

2.9

3

R3

3.05

3.2

3.5

4

R4

5

R5

6

R6

6.35

6.5

8
Drawing

Clear

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

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Blade length (ℓ)(mm)
0.08

0.13

0.15

0.16

0.2

0.24

0.25

0.28

0.3

0.32

0.4

0.48

0.5

0.55

0.56

0.6

0.64

0.65

0.7

0.72

0.75

0.8

0.9

0.96

1

1.2

1.44

1.5

1.6

1.8

2

2.1

2.2

2.25

2.3

2.4

2.5

2.7

3

3　

3.2

3.5

3.7

4

4　

4.5

4.8

5

5　

5.25

5.5

5.6

6

6　

6.75

7

7.5

8

8.25

8.4

9

10

10　

10.5

11

12

12　

12.5

13

13.5

14

15

15　

16

16.5

17

17.5

18

19

19.5

20

21

22

24

25

25.5

26

27

28

30

32

33

34

35

36

37.5

38

40

42

45

48

50

55

56

60

64

75

80

100
Drawing

Clear

Number of flutes(sheet)
2

3

4

5

6

8
Drawing

Clear

Type
- Radius
- High-Feed Radius
- Long-Neck Radius
- Tapered neck radius
Clear

Overall Length (L)(mm)
32

34

35

38

39

40

45

48

49

50

51

52

53

55

57

58

60

62

63

64

65

68

70

72

74

75

80

83

85

86

88.90

90

92

95

100

104

105

110

115

120

121

125

130

135

140

145

150

160

170

175

180

185

190

200

220

230
Drawing

Clear

Shank diameter (d)(mm)
3

4

5

5.8

6

7.8

8

9.8

10

11

12

13

14

15

16

17

18

20

25
Drawing

Clear

Underneck length (ℓ1)(mm)
0.20

0.5

1

1.5

1.60

1.8

2

2.4

2.5

3

3.5

3.8

4

4.5

5

6

7

7.5

8

9

10

11

12

12.35

12.5

13

14

14.35

15

16

16.65

18

19

20

21

22

24

25

26

27

28

29

30

32

32.1

32.6

33.6

34

34.6

35

35.6

36

38

39

40

41.2

42

42.2

43.2

44

44.2

45

45.2

46.5

48

50

54

55

56

60

60.3

60.8

61.3

62.3

63.3

64

64.3

65

66

70

72

75

80

80.4

81.4

82

82.4

84

85

90

92.9

95

100

102

105

108

110

120

120.6

121.6

122.6

125

140

160

160.8

-
Drawing

Clear

Machining Application
- Plane
- Side
- Curved surface
- Groove
- Plunging (Z feed)
- Inclined Cuts
Images

Clear

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

Clear

Torsion Angle (θ)
- No torsion
- Weak torsion (15˚ to 25˚)
- Standard Helix (30˚ to 40˚)
- High Helix (45˚ to 60˚)
- Other
Clear

R Precision(μm)
-0.032～-0.059

-0.025～-0.047

-0.020～-0.038

-0.014～-0.028

-0.005 to 0.005

0～-20

0～-0.05

0～-0.030

0～-0.015

0～-0.01

0～+0.04

±0.005

0.005 to -0.005

0.005～-0.005

±0.01

0.01 to -0.01

0.01～-0.01

±0.015

0.015～-0.015

±0.02

0.02～-0.02

0.025～-0.025

±0.03

±0.05

±10

±15

±20
Drawing

Clear

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Categories related to Carbide Radius End Mills

- Radius End Mills (Carbide)
- Long Neck Radius End Mills (Carbide)

UNION TOOL Carbide Radius End Mills（work material：High Hardness Steel: to HRC55）

Search by sub-category

HLRS2000 HM Coated 2 Flute Long-Neck Radius

HRRS, HM Coated 4-Flute Radius

HLRS 4-Flute Long-Neck Radius

HLRS2000E High Accuracy Type, High R Precision Long-Neck Radius

CRS40HSP High Efficiency 3-Flute Long Neck Radius 40° Twist

HRRS, HM Coated 4-Flute Short Shank Radius

C-CRS UT Coated 2-Flute Radius

CRRS UT Coated 4-Flute Radius

CNRS 4-Flute Radius for Difficult-to-Machine Materials

CRS20HSP High Efficiency 4-Flute Long Neck Radius 20° Twist

HRRS 6-Flute Long Neck Radius

Filter by:

Stock

Narrow search by specifying spec./dim.

Blade diameter (D)(φ)

R Size(mm)

work material

Blade length (ℓ)(mm)

Number of flutes(sheet)

Type

Overall Length (L)(mm)

Shank diameter (d)(mm)

Underneck length (ℓ1)(mm)

Machining Application

Coating

Torsion Angle (θ)

R Precision(μm)

Narrow search by specifying Brand

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Categories related to Carbide Radius End Mills

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