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NS TOOL Long Neck Radius End Mills (Carbide)（R Precision：0.01～-0.01）

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 27 Days or Less

MHR430R MUGEN-COATING 4-Flute Long Neck Radius End Mill

NS TOOL

•Model: Long Neck Radius
•Number Of Flutes (sheet): 4
•Helix Angle (Θ): Standard Helix (30 to 40°)
•Coating: TiAlN
•(γ) Neck Angle (°): 12°

Volume Discount
Days to Ship: 8 Days or more
MHDH645R 6-Flute Radius-End Mill for High-Hardness

NS TOOL

•Model: Regular Type
•Number Of Flutes (sheet): 6
•Helix Angle (Θ): Powerful Helix (45° to 60°)
•Coating: For High Hardness (Silicone-Based)
•R Precision (µm): 0.01～-0.01

Volume Discount
Days to Ship: 8 Days or more
MHDH445R 4-Flute Radius-End Mill for High-Hardness

NS TOOL

•Model: Regular Type
•Number Of Flutes (sheet): 4
•Helix Angle (Θ): Powerful Helix (45° to 60°)
•Coating: For High Hardness (Silicone-Based)
•R Precision (µm): 0.01～-0.01

Volume Discount
Days to Ship: 8 Days or more
MSRS230 MUGEN-COATING 2-Flute Radius End Mill

NS TOOL

•Model: Regular Type
•Number Of Flutes (sheet): 2
•Helix Angle (Θ): Standard Helix (30 to 40°)
•Coating: TiAlN
•(γ) Neck Angle (°): 9°

Volume Discount
Days to Ship: 8 Days or more
MHR230R MUGEN-COATING 2-Flute Long Neck Radius End Mill

NS TOOL

•Model: Long Neck Radius
•Number Of Flutes (sheet): 2
•Helix Angle (Θ): Standard Helix (30 to 40°)
•Coating: TiAlN
•(γ) Neck Angle (°): 12°

Volume Discount
Days to Ship: 8 Days or more
MSRS430 MUGEN-COATING 4-Flute Radius End Mill

NS TOOL

•Model: Regular Type
•Number Of Flutes (sheet): 4
•Helix Angle (Θ): Standard Helix (30 to 40°)
•Coating: TiAlN
•R Precision (µm): 0.01～-0.01

Volume Discount
Days to Ship: 8 Days or more
MHRH430R MUGEN COATING Premium 4-Flute Long Neck Radius End Mill For Hardened Steels

NS TOOL

Superior surface finish with excellent chipping prevention and reduced chattering due to the use of MUGEN coating for hardened steels and a new shape

Volume Discount
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:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 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	NS TOOL	NS TOOL	NS TOOL	NS TOOL	NS TOOL	NS TOOL	NS TOOL
Product Series	MHR430R MUGEN-COATING 4-Flute Long Neck Radius End Mill	MHDH645R 6-Flute Radius-End Mill for High-Hardness	MHDH445R 4-Flute Radius-End Mill for High-Hardness	MSRS230 MUGEN-COATING 2-Flute Radius End Mill	MHR230R MUGEN-COATING 2-Flute Long Neck Radius End Mill	MSRS430 MUGEN-COATING 4-Flute Radius End Mill	MHRH430R MUGEN COATING Premium 4-Flute Long Neck Radius End Mill For Hardened Steels
Days to Ship	8 Days or more	8 Days or more	8 Days or more	8 Days or more	8 Days or more	8 Days or more	8 Days or more
Flute Diameter (D)(φ)	3 ～ 6	5 ～ 12	3 ～ 4	3 ～ 5	3 ～ 6	6 ～ 12	3 ～ 6
R Size(mm)	0.1 ～ 1	0.2 ～ 2	0.2 ～ 0.5	0.1 ～ 1.5	0.1 ～ 1	0.1 ～ 3	0.1 ～ 1
Work Material	General Steel[◎] / Heat-Treated Steel[◎] / High-Hardness Steel ~ HRC55[◎] / High-Hardness Steel ~ HRC60[◎] / High-Hardness Steel – HRC65[◎] / Stainless Steel[◎] / Aluminum[◎] / Titanium[○] / Copper[◎] / Resin[◎]	General Steel[◎] / Heat-Treated Steel[◎] / High-Hardness Steel ~ HRC55[◎] / High-Hardness Steel ~ HRC60[◎] / High-Hardness Steel – HRC65[◎] / Stainless Steel[◎] / Aluminum[○] / Titanium[◎] / Copper[○] / Resin[○]	General Steel[◎] / Heat-Treated Steel[◎] / High-Hardness Steel ~ HRC55[◎] / High-Hardness Steel ~ HRC60[◎] / High-Hardness Steel – HRC65[◎] / Stainless Steel[◎] / Aluminum[○] / Titanium[◎] / Copper[○] / Resin[○]	General Steel[◎] / Heat-Treated Steel[◎] / High-Hardness Steel ~ HRC55[◎] / Stainless Steel[◎] / Aluminum[◎] / Titanium[○] / Copper[◎] / Resin[◎]	General Steel[◎] / Heat-Treated Steel[◎] / High-Hardness Steel ~ HRC55[◎] / Stainless Steel[◎] / Aluminum[◎] / Titanium[○] / Copper[◎] / Resin[◎]	General Steel[◎] / Heat-Treated Steel[◎] / High-Hardness Steel ~ HRC55[◎] / Stainless Steel[◎] / Aluminum[◎] / Titanium[○] / Copper[◎] / Resin[◎]	General Steel[◎] / Heat-Treated Steel[◎] / High-Hardness Steel ~ HRC55[◎] / High-Hardness Steel ~ HRC60[◎] / High-Hardness Steel – HRC65[◎] / Stainless Steel[○] / Aluminum[○] / Titanium[◎] / Copper[○] / Resin[○]
Flute Length (ℓ)(mm)	2.5 ～ 5	10 ～ 24	6 ～ 8	6 ～ 10	4.5 ～ 9	12 ～ 24	2.5 ～ 5
Number of Flutes(sheet)	4	6	4	2	2	4	4
Model	Long Neck Radius	Regular Type	Regular Type	Regular Type	Long Neck Radius	Regular Type	Long Neck Radius
Overall Length (L)(mm)	50 ～ 110	60 ～ 80	60	60 ～ 70	50 ～ 110	80 ～ 110	50 ～ 110
Link Diameter (d)(mm)	6	6 ～ 12	6	6	6	6 ～ 12	6
Length Under Neck (ℓ1)(mm)	12 ～ 48	-	-	-	12 ～ 48	-	8 ～ 48
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	Flat Surface / Side Surface / Curved Surface	Flat Surface / Side Surface / Groove
Coating	TiAlN	For High Hardness (Silicone-Based)	For High Hardness (Silicone-Based)	TiAlN	TiAlN	TiAlN	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°)	Standard Helix (30 to 40°)
R Precision(µm)	0.01～-0.01	0.01～-0.01	0.01～-0.01	0.01～-0.01	0.01～-0.01	0.01～-0.01	0.01～-0.01

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