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7 LEADERS Radius End Mills (Carbide)

4 items

: 30; 45; 60

Days to Ship	All Same day 5 Days or Less 8 Days or Less 9 Days or Less 10 Days or Less 11 Days or Less 12 Days or Less 15 Days or Less 16 Days or Less 17 Days or Less

Carbide 2-Piece Flute Corner Radius Short End Mill 30° B255X

7 LEADERS

•Model: Regular Type
•Number Of Flutes (sheet): 2
•Helix Angle (Θ): Standard Helix (30 to 40°)
•R Precision (µm): 0～-20
•Material: UMG

Volume Discount
Days to Ship: 10 Days or more
Carbide 2-Flute Corner Radius Medium End Mill 30° B257X

7 LEADERS

•Model: Regular Type
•Number Of Flutes (sheet): 2
•Helix Angle (Θ): Standard Helix (30 to 40°)
•R Precision (µm): 0～-20
•Material: UMG

Volume Discount
Days to Ship: 10 Days or more
Carbide 4-Flute Variable Split Corner Radius Short End Mill 30° B256X

7 LEADERS

•Model: Regular Type
•Number Of Flutes (sheet): 4
•Helix Angle (Θ): Standard Helix (30 to 40°)
•R Precision (µm): 0～-20
•Material: UMG

Volume Discount
Days to Ship: 8 Days or more
Carbide 4-Flute Variable Split Corner Radius Medium End Mill 30° B258X

7 LEADERS

•Model: Regular Type
•Number Of Flutes (sheet): 4
•Helix Angle (Θ): Standard Helix (30 to 40°)
•R Precision (µm): 0～-20
•Material: UMG

Volume Discount
Days to Ship: 10 Days or more

Days to Ship:	10 Days or more

Days to Ship:	10 Days or more

Days to Ship:	8 Days or more

Days to Ship:	10 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	7 LEADERS	7 LEADERS	7 LEADERS	7 LEADERS
Product Series	Carbide 2-Piece Flute Corner Radius Short End Mill 30° B255X	Carbide 2-Flute Corner Radius Medium End Mill 30° B257X	Carbide 4-Flute Variable Split Corner Radius Short End Mill 30° B256X	Carbide 4-Flute Variable Split Corner Radius Medium End Mill 30° B258X
Days to Ship	10 Days or more	10 Days or more	8 Days or more	10 Days or more
Flute Diameter (D)(φ)	1 ～ 20	3 ～ 20	1 ～ 20	3 ～ 20
R Size(mm)	0.1 ～ 4	0.1 ～ 4	0.1 ～ 4	0.1 ～ 4
Work Material	General Steel[◎] / Heat-Treated Steel[○] / High-Hardness Steel ~ HRC55[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum[○] / Titanium[○] / Copper[○] / Resin[○]	General Steel[◎] / Heat-Treated Steel[○] / High-Hardness Steel ~ HRC55[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum[○] / Titanium[○] / Copper[○] / Graphite[○] / Resin[○]	General Steel[◎] / Heat-Treated Steel[○] / High-Hardness Steel ~ HRC55[◎] / Stainless Steel[○] / Cast Iron[○] / Titanium[○] / Copper[○] / Resin[○]	General Steel[◎] / Heat-Treated Steel[○] / High-Hardness Steel ~ HRC55[◎] / Stainless Steel[○] / Cast Iron[○] / Titanium[○] / Copper[○] / Graphite[○] / Resin[○]
Flute Length (ℓ)(mm)	3 ～ 38	10 ～ 55	3 ～ 38	10 ～ 55
Number of Flutes(sheet)	2	2	4	4
Model	Regular Type	Regular Type	Regular Type	Regular Type
Overall Length (L)(mm)	50 ～ 100	50 ～ 160	50 ～ 100	50 ～ 160
Link Diameter (d)(mm)	4 ～ 20	3 ～ 20	4 ～ 20	3 ～ 20
Length Under Neck (ℓ1)(mm)	-	-	-	-
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
Coating	-	-	-	-
Helix Angle (Θ)	Standard Helix (30 to 40°)	Standard Helix (30 to 40°)	Standard Helix (30 to 40°)	Standard Helix (30 to 40°)
R Precision(µm)	0～-20	0～-20	0～-20	0～-20

Configure

Specification/Dimensions

Metric / Inch
- metric
Clear

Flute Diameter (D)(φ)
0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

1.2

1.4

1.5

1.6

1.8

2

2.5

2.8

3

3.5

4

4.5

5

5.5

6

7

8

9

10

11

12

13

14

16

17

18

20

22

25
Drawing

Clear

R Size(mm)
R0

0.05

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.75

0.76

0.8

0.813

0.9

1

R1

1.1

1.2

1.219

1.3

1.4

1.5

R1.5

1.6

1.625

1.7

1.8

1.9

2

R2

2.031

2.1

2.2

2.3

2.4

2.438

2.465

2.5

R2.5

2.6

2.607

2.7

2.8

2.9

3

R3

3.05

3.2

3.5

4

R4

5

R5

6

R6

6.35

6.5

8
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)
0.16

0.24

0.28

0.3

0.32

0.4

0.5

0.6

0.64

0.7

0.8

0.9

1

1.2

1.5

1.6

1.8

2

2.1

2.25

2.3

2.4

2.5

2.7

3

3.2

3.5

3.7

4

4.5

5

5.25

5.5

5.6

6

6.75

7

7.5

8

8.25

8.4

9

10

10.5

11

12

12.5

13

13.5

14

15

16

16.5

17

17.5

18

19

19.5

20

21

22

24

25

25.5

26

27

28

30

32

33

34

35

36

38

40

42

45

48

50

55

56

60

75
Drawing

Clear

Number of Flutes(sheet)
2

3

4

5

6

8
Drawing

Clear

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

Overall Length (L)(mm)
32

34

35

40

45

49

50

51

55

57

58

60

62

63

65

68

70

72

74

75

80

83

85

86

88.9

90

92

95

100

104

105

110

115

120

121

125

130

135

140

150

160

170

180

185

200

220

230
Drawing

Clear

Link Diameter (d)(mm)
3

4

5.8

6

7.8

8

9.8

10

11

12

13

14

15

16

17

18

20

25
Drawing

Clear

Length Under Neck (ℓ1)(mm)
1

1.5

1.8

2

2.4

2.5

3

3.5

3.8

4

4.5

5

6

7.5

8

9

10

12

12.5

13

15

16

18

20

21

22

24

25

27

28

30

32

34

35

36

38

39

40

42

44

45

48

50

54

55

56

60

65

66

70

75

80

82

85

95

100

105

108

-
Drawing

Clear

Processing Applications
- Flat Surface
- Side Surface
- Curved Surface
- Groove
- Thrust (Z-Feed)
- Inclined Cutting
Images

Clear

Coating
- For High Hardness (Silicone-Based)
- TiAlN
- For General Steel (AlCrN etc.)
- TiCN
- DLC
- Diamond Coat
- Non-Coated
- AlTiN
- Other
Details

Clear

Helix Angle (Θ)
- No Helix/ None
- Weak Helix (15 to 25°)
- Standard Helix (30 to 40°)
- Powerful Helix (45° to 60°)
- Others
Clear

R Precision(µm)
-0.032～-0.059

-0.025～-0.047

-0.020～-0.038

-0.014～-0.028

0～-20

0～-0.05

0～-0.030

0～-0.015

0～+0.04

±0.005

±0.01

±0.015

0.015～-0.015

±0.02

0.02～-0.02

0.025～-0.025

±0.03

±0.05
Drawing

Clear

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Clear

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7 LEADERS Radius End Mills (Carbide)

Configure

Specification/Dimensions

Metric / Inch

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)

Narrow search by specifying Manufacturer

CAD

Related Categories to Radius End Mills (Carbide)

About This Website

About MISUMI Corporation

Contact us Monday to Friday: 8:00 am to 6:00 pm (Mexico City time)