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UNION TOOL Long Neck Radius End Mills (Carbide)（Work Material：High-Hardness Steel ~ HRC60）

7 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

HLRS 4-Flute Long-Neck Radius

UNION TOOL

•Model: Long Neck Radius
•Number Of Flutes (sheet): 4
•Helix Angle (Θ): Standard Helix (30 to 40°)
•Coating: For High Hardness (Silicone-Based)
•Maximum: Carbide End Mill Unimax Series, Vo.12, 2010 –

Volume Discount
Days to Ship: 8 Days or more
HRRS, HM Coated 4-Flute Short Shank Radius

UNION TOOL

•Model: Long Neck Radius
•Number Of Flutes (sheet): 4
•Helix Angle (Θ): Powerful Helix (45° to 60°)
•Coating: HARD MAX
•Shank Taper Angle Bta (°): 16°

Volume Discount
Days to Ship: 8 Days or more
HRRS, HM Coated 4-Flute Radius

UNION TOOL

•Model: Long Neck Radius
•Number Of Flutes (sheet): 4
•Helix Angle (Θ): Powerful Helix (45° to 60°)
•Coating: For High Hardness (Silicone-Based)
•Shank Taper Angle Bta (°): 16°

Volume Discount
Days to Ship: 8 Days or more
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
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
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
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:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 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	UNION TOOL
Product Series	HLRS 4-Flute Long-Neck Radius	HRRS, HM Coated 4-Flute Short Shank Radius	HRRS, HM Coated 4-Flute Radius	HLRS2000 HM Coated 2 Flute Long-Neck Radius	HLRS2000E High Accuracy Type, High R Precision Long-Neck Radius	CRS40HSP High Efficiency 3-Flute Long Neck Radius 40° Twist	CRS20HSP High Efficiency 4-Flute Long Neck Radius 20° Twist
Days to Ship	8 Days or more	8 Days or more	8 Days or more	8 Days or more	8 Days or more	11 Days or more	11 Days or more
Flute Diameter (D)(φ)	0.8 ～ 6	2 ～ 12	2 ～ 12	0.4 ～ 6	0.2 ～ 6	3 ～ 12	2　～ 12
R Size(mm)	0.05 ～ 1	0.3 ～ 4	0.3 ～ 4	0.05 ～ 1	0.05 ～ 1	0.1 ～ 0.5	0.2 ～ 1.2
Work Material	High-Hardness Steel ~ HRC60[◎]	High-Hardness Steel ~ HRC60[◎]	High-Hardness Steel ~ HRC60[◎]	High-Hardness Steel ~ HRC60[◎]	High-Hardness Steel ~ HRC60[◎]	High-Hardness Steel ~ HRC60[○]	High-Hardness Steel ~ HRC60[◎]
Flute Length (ℓ)(mm)	0.48 ～ 4.8	2 ～ 12	2 ～ 12	0.4 ～ 6	0.2 ～ 6	4 ～ 15	2.5 ～ 15
Number of Flutes(sheet)	4	4	4	2	2	3	4
Model	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	45 ～ 75	70 ～ 120	50 ～ 120	50 ～ 100	38 ～ 120	50 ～ 75
Link Diameter (d)(mm)	4 ～ 6	3 ～ 12	3 ～ 12	4 ～ 6	4 ～ 6	3 ～ 12	6 ～ 12
Length Under Neck (ℓ1)(mm)	2 ～ 48	6 ～ 36	6 ～ 36	1 ～ 60	0.5 ～ 30	7 ～ 54	5 ～ 30
Processing Applications	Flat Surface / Side Surface / Curved Surface	Flat Surface / Side Surface / Curved Surface	Flat Surface / Side Surface / Curved Surface	Flat Surface / Side Surface / Curved Surface / Groove / Thrust (Z-Feed)	Flat Surface / Side Surface / Curved Surface / Groove / Thrust (Z-Feed)	Flat Surface / Side Surface / Groove	Flat Surface / Side Surface / Groove
Coating	For High Hardness (Silicone-Based)	-	For High Hardness (Silicone-Based)	For High Hardness (Silicone-Based)	For High Hardness (Silicone-Based)	For High Hardness (Silicone-Based)	For High Hardness (Silicone-Based)
Helix Angle (Θ)	Standard Helix (30 to 40°)	Powerful Helix (45° to 60°)	Powerful Helix (45° to 60°)	Standard Helix (30 to 40°)	Standard Helix (30 to 40°)	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