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UNION TOOL Long Neck Radius End Mills (Carbide)（Processing Applications：Groove）

6 items

: 30; 45; 60

Days to Ship	All 8 Days or Less 9 Days or Less 10 Days or Less 11 Days or Less 12 Days or Less 16 Days or Less 17 Days or Less 26 Days or Less 27 Days or Less

HLRS2000 HM Coated 2 Flute Long-Neck Radius

UNION TOOL

•Model: Long Neck Radius
•Number Of Flutes (sheet): 2
•Helix Angle (Θ): Standard Helix (30 to 40°)
•Coating: For High Hardness (Silicone-Based)
•Blade Diameter Tolerance (mm): 0～-0.015

Volume Discount
Days to Ship: 8 Days or more
CRS40HSP High Efficiency 3-Flute Long Neck Radius 40° Twist

UNION TOOL

•Model: Long Neck Radius
•Number Of Flutes (sheet): 3
•Helix Angle (Θ): Standard Helix (30 to 40°)
•Coating: For High Hardness (Silicone-Based)
•Shank Taper Angle Bta (°): 16°

Volume Discount
Days to Ship: 11 Days or more
HLRS2000E High Accuracy Type, High R Precision Long-Neck Radius

UNION TOOL

•Model: Long Neck Radius
•Number Of Flutes (sheet): 2
•Helix Angle (Θ): Standard Helix (30 to 40°)
•Coating: For High Hardness (Silicone-Based)
•Blade Diameter Tolerance (mm): 0～-0.01

Volume Discount
Days to Ship: 8 Days or more
CPRS25NSP Two-Flute Long-Neck Radius for Processing Aluminum/Resin, 25° Torsion

UNION TOOL

•Model: Long Neck Radius
•Number Of Flutes (sheet): 2
•Helix Angle (Θ): Weak Helix (15 to 25°)
•Coating: Non-Coated
•Dimension R Size (mm): 0.1

Volume Discount
Days to Ship: 11 Days or more
CPRS30N Two-Flute Long-Neck Radius for Processing Aluminum/Resin, 30° Torsion

UNION TOOL

•Model: Long Neck Radius
•Number Of Flutes (sheet): 2
•Helix Angle (Θ): Standard Helix (30 to 40°)
•Coating: Non-Coated

Volume Discount
Days to Ship: 11 Days or more
CRS20HSP High Efficiency 4-Flute Long Neck Radius 20° Twist

UNION TOOL

•Model: Long Neck Radius
•Number Of Flutes (sheet): 4
•Helix Angle (Θ): Weak Helix (15 to 25°)
•Coating: For High Hardness (Silicone-Based)
•Shank Taper Angle Bta (°): 16°

Volume Discount
Days to Ship: 11 Days or more

Days to Ship:	8 Days or more

Days to Ship:	11 Days or more

Days to Ship:	8 Days or more

Days to Ship:	11 Days or more

Days to Ship:	11 Days or more

Days to Ship:	11 Days or more


Brand
Product Series
Days to Ship
Flute Diameter (D)(φ)
R Size(mm)
Work Material
Flute Length (ℓ)(mm)
Number of Flutes(sheet)
Model
Overall Length (L)(mm)
Link Diameter (d)(mm)
Length Under Neck (ℓ1)(mm)
Processing Applications
Coating
Helix Angle (Θ)
R Precision(µm)


Brand	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL	UNION TOOL
Product Series	HLRS2000 HM Coated 2 Flute Long-Neck Radius	CRS40HSP High Efficiency 3-Flute Long Neck Radius 40° Twist	HLRS2000E High Accuracy Type, High R Precision Long-Neck 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
Days to Ship	8 Days or more	11 Days or more	8 Days or more	11 Days or more	11 Days or more	11 Days or more
Flute Diameter (D)(φ)	0.4 ～ 6	3 ～ 12	0.2 ～ 6	2 ～ 12	4 ～ 10	2　～ 12
R Size(mm)	0.05 ～ 1	0.1 ～ 0.5	0.05 ～ 1	0.1	0.3 ～ 0.8	0.2 ～ 1.2
Work Material	General Steel[○] / Heat-Treated Steel[◎] / High-Hardness Steel ~ HRC55[◎] / High-Hardness Steel ~ HRC60[◎] / High-Hardness Steel – HRC65[○] / Stainless Steel[○] / Cast Iron[○] / Titanium[○] / Copper[◎]	General Steel[◎] / Heat-Treated Steel[◎] / High-Hardness Steel ~ HRC55[○] / High-Hardness Steel ~ HRC60[○] / Stainless Steel[◎] / Cast Iron[◎] / Graphite[○] / Resin[○]	General Steel[○] / Heat-Treated Steel[◎] / High-Hardness Steel ~ HRC55[◎] / High-Hardness Steel ~ HRC60[◎] / High-Hardness Steel – HRC65[○] / Stainless Steel[○] / Cast Iron[○] / Copper[◎]	High-Hardness Steel – HRC65[○] / Aluminum[◎] / Resin[◎]	Aluminum[◎] / Copper[○] / Resin[◎]	General Steel[○] / Heat-Treated Steel[○] / High-Hardness Steel ~ HRC55[◎] / High-Hardness Steel ~ HRC60[◎] / Cast Iron[◎]
Flute Length (ℓ)(mm)	0.4 ～ 6	4 ～ 15	0.2 ～ 6	3 ～ 16	5 ～ 12	2.5 ～ 15
Number of Flutes(sheet)	2	3	2	2	2	4
Model	Long Neck Radius	Long Neck Radius	Long Neck Radius	Long Neck Radius	Long Neck Radius	Long Neck Radius
Overall Length (L)(mm)	50 ～ 120	38 ～ 120	50 ～ 100	38 ～ 90	50 ～ 80	50 ～ 75
Link Diameter (d)(mm)	4 ～ 6	3 ～ 12	4 ～ 6	3 ～ 12	6 ～ 10	6 ～ 12
Length Under Neck (ℓ1)(mm)	1 ～ 60	7 ～ 54	0.5 ～ 30	6 ～ 35	10 ～ 36	5 ～ 30
Processing Applications	Groove	Groove	Groove	Groove	Groove	Groove
Coating	For High Hardness (Silicone-Based)	For High Hardness (Silicone-Based)	For High Hardness (Silicone-Based)	Non-Coated	Non-Coated	For High Hardness (Silicone-Based)
Helix Angle (Θ)	Standard Helix (30 to 40°)	Standard Helix (30 to 40°)	Standard Helix (30 to 40°)	Weak Helix (15 to 25°)	Standard Helix (30 to 40°)	Weak Helix (15 to 25°)
R Precision(µm)	-	-	-	-	-	-

Configure

Specification/Dimensions

Metric / Inch
- metric
Clear

Flute 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

2

2　

2.5

3

3　

3.5

4

4　

4.5

5

5　

6

8

8　

10

10　

12

12　

16

20

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

0.8

1

R1

1.2

1.5

R1.5

2

R2

2.5

R2.5

3

R3

4

R4

5

R5

R6
Drawing

Clear

Work Material
- General Steel
- Heat-Treated Steel
- High-Hardness Steel ~ HRC55
- High-Hardness Steel ~ HRC60
- High-Hardness Steel – HRC65
- Stainless Steel
- Cast Iron
- Aluminum
- Titanium
- Copper
- Graphite
- Resin
Details

Clear

Flute Length (ℓ)(mm)
0.08

0.13

0.15

0.16

0.2

0.24

0.25

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

2.2

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

10

10　

11

12

12　

13

14

15

15　

16

18

19

20

22

24

25

26

30

48

64

80

100
Drawing

Clear

Number of Flutes(sheet)
2

3

4

5

6
Drawing

Clear

Model
- Regular Type
- Long Neck Radius
- Tapered Neck Radius
Clear

Overall Length (L)(mm)
38

40

45

48

49

50

51

52

53

55

60

64

65

70

75

80

85

90

100

110

115

120

125

130

135

140

145

150

160

170

175

180

185

190

200

220
Drawing

Clear

Link Diameter (d)(mm)
3

4

6

8

10

12

16

20

25
Drawing

Clear

Length Under Neck (ℓ1)(mm)
0.2

0.5

1

1.5

1.6

2

2.5

3

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

Clear