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NS TOOL Long Neck Radius End Mills (Carbide)（Coating：For High Hardness (Silicone-Based)）

5 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 27 Days or Less

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
MHRH230R MUGEN-COATING PREMIUM 2-Flute Long Neck Radius End Mill for Hardened Steels

NS TOOL

•Model: Long Neck Radius
•Number Of Flutes (sheet): 2
•Helix Angle (Θ): Standard Helix (30 to 40°)
•Coating: For High Hardness (Silicone-Based)
•R Precision (µm): 0.005～-0.005

Volume Discount
Days to Ship: 8 Days or more
Power Radius End Mill MSXH440R

NS TOOL

•Model: Regular Type
•Number Of Flutes (sheet): 4
•Helix Angle (Θ): Standard Helix (30 to 40°)
•Coating: For High Hardness (Silicone-Based)

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
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

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
Product Series	MHDH445R 4-Flute Radius-End Mill for High-Hardness	MHRH230R MUGEN-COATING PREMIUM 2-Flute Long Neck Radius End Mill for Hardened Steels	Power Radius End Mill MSXH440R	MHRH430R MUGEN COATING Premium 4-Flute Long Neck Radius End Mill For Hardened Steels	MHDH645R 6-Flute Radius-End Mill for High-Hardness
Days to Ship	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 ～ 4	0.2 ～ 0.9	3 ～ 12	1 ～ 6	5 ～ 12
R Size(mm)	0.2 ～ 0.5	0.05 ～ 0.2	0.3 ～ 3	0.05 ～ 1	0.2 ～ 2
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[◎] / 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[○]
Flute Length (ℓ)(mm)	6 ～ 8	0.15 ～ 0.7	8 ～ 26	0.8 ～ 5	10 ～ 24
Number of Flutes(sheet)	4	2	4	4	6
Model	Regular Type	Long Neck Radius	Regular Type	Long Neck Radius	Regular Type
Overall Length (L)(mm)	60	45 ～ 50	60 ～ 80	50 ～ 110	60 ～ 80
Link Diameter (d)(mm)	6	4	6 ～ 12	4 ～ 6	6 ～ 12
Length Under Neck (ℓ1)(mm)	-	0.5 ～ 8	-	3 ～ 48	-
Processing Applications	Flat Surface / Side Surface / Curved Surface	Flat Surface / Side Surface / Curved Surface / Groove / Thrust (Z-Feed)	Flat Surface / Side Surface / Curved Surface	Flat Surface / Side Surface / Groove	Flat Surface / Side Surface / Curved Surface
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)
Helix Angle (Θ)	Powerful Helix (45° to 60°)	Standard Helix (30 to 40°)	Standard Helix (30 to 40°)	Standard Helix (30 to 40°)	Powerful Helix (45° to 60°)
R Precision(µm)	0.01～-0.01	0.005～-0.005	-	0.005～-0.005 ～ 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