UNION TOOL Long Neck Radius End Mills (Carbide)（Machining Application：Side）

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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

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

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

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

CPRS25NSP Two-Flute Long-Neck Radius for Processing Aluminum / Resin, 25° Torsion

UNION TOOL

[Features]
· For Machining Aluminum/Resin
· Non-coated, R0.1 corner radius, long-neck radius
· Subtle corner rounding suppresses lasting bottom cutter marks

Starting from^∗ ：	45.16 €
Min. Shipping Days ：	9 Days

*Unit price with basic configuration

CPRS30N Two-Flute Long-Neck Radius for Processing Aluminum / Resin, 30° Torsion

UNION TOOL

[Features]
· For Machining Aluminum/Resin
· Non-Coated Long-Neck Radius
· Surface roughness was emphasized in the design of this tool

Starting from^∗ ：	54.21 €
Min. Shipping Days ：	9 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


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
Product Series	HLRS2000 HM Coated 2 Flute Long-Neck 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	HRRS, HM Coated 4-Flute Radius	CRRS UT Coated 4-Flute Radius	CPRS25NSP Two-Flute Long-Neck Radius for Processing Aluminum / Resin, 25° Torsion	CPRS30N Two-Flute Long-Neck Radius for Processing Aluminum / Resin, 30° Torsion	CRS20HSP High Efficiency 4-Flute Long Neck Radius 20° Twist
Starting from^∗	43.45 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	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	76.38 € *Unit price with basic configuration	85.32 € Special price *Unit price with basic configuration Promotional pricing Volume Discount	45.16 € *Unit price with basic configuration	54.21 € *Unit price with basic configuration	48.20 € *Unit price with basic configuration
Min. Shipping Days ：	Same day	Same day	Same day	9 Days	6 Days	6 Days	Same day	9 Days	9 Days	9 Days
Blade diameter (D)(φ)	0.4 ～ 6	0.8 ～ 6	0.2 ～ 6	3 ～ 12	2 ～ 12	2 ～ 12	2 ～ 12	2 ～ 12	4 ～ 10	2　～ 12
R Size(mm)	0.05 ～ 1	0.05 ～ 1	0.05 ～ 1	0.1 ～ 0.5	0.3 ～ 4	0.3 ～ 4	0.3 ～ 2	0.1	0.3 ～ 0.8	0.2 ～ 1.2
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[○] / Titanium[○] / Copper[◎]	General Steel[○] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[◎] / High Hardness Steel: to HRC65[○] / Cast Iron[○] / Copper[○]	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[○] / Copper[◎]	General Steel[◎] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[○] / High Hardness Steel: to HRC60[○] / Stainless Steel[◎] / Cast Iron[◎] / Graphite[○] / Resin[○]	Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[◎] / High Hardness Steel: to HRC65[○] / Cast Iron[○]	Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[◎] / High Hardness Steel: to HRC65[○] / Cast Iron[○]	General Steel[◎] / Quenched and tempered steel[◎] / High Hardness Steel: to HRC55[◎] / Cast Iron[○] / Aluminum[○] / Titanium[◎] / Copper[◎]	High Hardness Steel: to HRC65[○] / Aluminum[◎] / Resin[◎]	Aluminum[◎] / Copper[○] / Resin[◎]	General Steel[○] / Quenched and tempered steel[○] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[◎] / Cast Iron[◎]
Blade length (ℓ)(mm)	0.4 ～ 6	0.48 ～ 4.8	0.2 ～ 6	4 ～ 15	2 ～ 12	2 ～ 12	2 ～ 12	3 ～ 16	5 ～ 12	2.5 ～ 15
Number of flutes(sheet)	2	4	2	3	4	4	4	2	2	4
Type	Long-Neck Radius	Long-Neck Radius	Long-Neck Radius	Long-Neck Radius	Long-Neck Radius	Long-Neck Radius	Long-Neck Radius	Long-Neck Radius	Long-Neck Radius	Long-Neck Radius
Overall Length (L)(mm)	50 ～ 120	50 ～ 120	50 ～ 100	38 ～ 120	45 ～ 75	70 ～ 120	60 ～ 120	38 ～ 90	50 ～ 80	50 ～ 75
Shank diameter (d)(mm)	4 ～ 6	4 ～ 6	4 ～ 6	3 ～ 12	3 ～ 12	3 ～ 12	4 ～ 12	3 ～ 12	6 ～ 10	6 ～ 12
Underneck length (ℓ1)(mm)	1 ～ 60	2 ～ 48	0.5 ～ 30	7 ～ 54	6 ～ 36	6 ～ 36	6 ～ 36	6 ～ 35	10 ～ 36	5 ～ 30
Machining Application	Side	Side	Side	Side	Side	Side	Side	Side	Side	Side
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)	-	Non-Coated	Non-Coated	For High Hardness (Silicon Group)
Torsion Angle (θ)	Standard Helix (30˚ to 40˚)	Standard Helix (30˚ to 40˚)	Standard Helix (30˚ to 40˚)	Standard Helix (30˚ to 40˚)	High Helix (45˚ to 60˚)	High Helix (45˚ to 60˚)	-	Weak torsion (15˚ to 25˚)	Standard Helix (30˚ to 40˚)	Weak torsion (15˚ to 25˚)
R Precision(μm)	-	-	-	-	-	-	-	-	-	-

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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

1.5

1.8

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2　

2.5

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3　

3.5

4

4　

4.5

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8　

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10　

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12　

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25
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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

0.8

1

R1

1.2

1.5

R1.5

2

R2

2.5

R2.5

3

R3

4

R4

5

R5

R6
Drawing

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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

0.3

0.32

0.35

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

1.35

1.44

1.5

1.6

1.7

1.8

2

2.2

2.3

2.4

2.5

3

3　

3.2

3.7

4

4　

4.5

4.8

5

5　

6

6　

7

7.5

8

9

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12　

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16

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26

30

48

64

80

100
Drawing

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Number of flutes(sheet)
2

3

4

5

6
Drawing

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Type
- Radius
- Long-Neck Radius
- Tapered neck radius
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Overall Length (L)(mm)
38

40

45

48

49

50

51

52

53

55

60

64

65

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75

80

85

90

100

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145

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220
Drawing

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Shank diameter (d)(mm)
3

4

6

8

10

12

16

20

25
Drawing

Clear

Underneck length (ℓ1)(mm)
0.20

0.5

1

1.5

1.60

2

2.5

3

3.5

4

4.5

5

6

7

7.5

8

9

10

11

12

12.35

14

14.35

15

16

16.65

18

20

22

24

25

26

28

30

32

32.1

32.6

33.6

34.6

35

35.6

36

39

40

41.2

42

42.2

43.2

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

70

72

80

80.4

81.4

82.4

84

85

90

92.9

100

102

105

108

110

120

120.6

121.6

122.6

125

140

160

160.8
Drawing

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

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Coating
- For High Hardness (Silicon Group)
- TiAlN
- TiCN
- Dia Coat
- Non-Coated
- AlTiN
- Other
Details

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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～-0.01

±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

0.02～-0.02

±10

±15
Drawing

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Categories related to Long Neck Radius End Mills (Carbide)

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

UNION TOOL Long Neck Radius End Mills (Carbide)（Machining Application：Side）

HLRS2000 HM Coated 2 Flute Long-Neck 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

HRRS, HM Coated 4-Flute Radius

CRRS UT Coated 4-Flute Radius

CPRS25NSP Two-Flute Long-Neck Radius for Processing Aluminum / Resin, 25° Torsion

CPRS30N Two-Flute Long-Neck Radius for Processing Aluminum / Resin, 30° Torsion

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

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)

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Categories related to Long Neck Radius End Mills (Carbide)

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