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Kindly be informed that it will be peak period in conjunction with the Chinese New Year festive season. Delivery pickup upon 25 January 2025 estimated would arrive after CNY holidays. Please expect slight delay for orders shipped during this peak season and we thank you for your kind understanding. [Details]
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7 LEADERS Carbide Radius End Mills

Search by specifying the lower class category

4 items

: 30; 45; 60

Days to Ship	All 4 Day(s) or Less 5 Day(s) or Less 6 Day(s) or Less 7 Day(s) or Less 8 Day(s) or Less 9 Day(s) or Less 10 Day(s) or Less 11 Day(s) or Less 12 Day(s) or Less 14 Day(s) or Less

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

7 LEADERS

[Features]
· Also use the 2-flute short radius end mill to prevent tip chipping.
· Nanoparticle Multilayer Coating
· Excellent lubricity and abrasion resistance.
· Exhibits its strength in general cutting processes.

Standard Price:	MYR 145.78-
Days to Ship:	7 Day(s) or more

"Same Day Ship Out" is available for item with 1 day

Carbide 2-Flute Corner Radius Medium End Mill 30° B257X

7 LEADERS

[Features]
· Also use the 2-flute medium shank radius end mill to prevent tip chipping.
· Enables radius cutting deep into the work materials.
· Nanoparticle multilayer coating.
· Excellent lubricity and abrasion resistance.
· Exhibits its strength in general cutting processes.

Standard Price:	MYR 145.78-
Days to Ship:	7 Day(s) or more

"Same Day Ship Out" is available for item with 1 day

Carbide 4-Flute Variable Split Corner Radius Short End Mill 30° B256X

7 LEADERS

[Features]
· Also use the 4-flute short radius end mill to prevent tip chipping.
· Nanoparticle multilayer coating.
· Excellent lubricity and abrasion resistance.
· Exhibits its strength in general cutting processes.
· It supports high-speed side cutting.

Standard Price:	MYR 145.78-
Days to Ship:	5 Day(s) or more

"Same Day Ship Out" is available for item with 1 day

Carbide 4-Flute Variable Split Corner Radius Medium End Mill 30° B258X

7 LEADERS

[Features]
· Also use the 4-flute medium shank radius end mill to prevent tip chipping.
· Enables radius cutting deep into the work materials.
· Nanoparticle multilayer coating.
· Excellent lubricity and abrasion resistance.
· Exhibits its strength in general cutting processes.
· It supports high-speed side cutting.

Standard Price:	MYR 145.78-
Days to Ship:	7 Day(s) or more

"Same Day Ship Out" is available for item with 1 day


Brand
Product Series
Days to Ship
Blade diameter (D)(φ)
R Size(mm)
Blade length (ℓ)(mm)
Number of flutes(sheet)
Overall Length (L)(mm)
work material
Shank diameter (d)(mm)
Underneck length (ℓ1)(mm)
Machining Application
Coating
Type
Torsion 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	7 Day(s) or more	7 Day(s) or more	5 Day(s) or more	7 Day(s) or more
Blade 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
Blade length (ℓ)(mm)	3 ～ 38	10 ～ 55	3 ～ 38	10 ～ 55
Number of flutes(sheet)	2	2	4	4
Overall Length (L)(mm)	50 ～ 100	50 ～ 160	50 ～ 100	50 ～ 160
work material	general steel[◎] / Quenched and tempered steel[○] / High Hardness Steel-HRC55[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum[○] / Titanium[○] / Copper[○] / Resin[○]	general steel[◎] / Quenched and tempered steel[○] / High Hardness Steel-HRC55[◎] / Stainless Steel[○] / Cast Iron[○] / Aluminum[○] / Titanium[○] / Copper[○] / Graphite[○] / Resin[○]	general steel[◎] / Quenched and tempered steel[○] / High Hardness Steel-HRC55[◎] / Stainless Steel[○] / Cast Iron[○] / Titanium[○] / Copper[○] / Resin[○]	general steel[◎] / Quenched and tempered steel[○] / High Hardness Steel-HRC55[◎] / Stainless Steel[○] / Cast Iron[○] / Titanium[○] / Copper[○] / Graphite[○] / Resin[○]
Shank diameter (d)(mm)	4 ～ 20	3 ～ 20	4 ～ 20	3 ～ 20
Underneck length (ℓ1)(mm)	-	-	-	-
Machining Application	Plane / Side / Curved surface	Plane / Side / Curved surface	Plane / Side / Curved surface	Plane / Side / Curved surface
Coating	-	-	-	-
Type	radius	radius	radius	radius
Torsion Angle (θ)	Standard torsion (30-40°)	Standard torsion (30-40°)	Standard torsion (30-40°)	Standard torsion (30-40°)
R Precision(μm)	0～-20	0～-20	0～-20	0～-20

Configure

Specification/Dimensions

Blade diameter (D)(φ)
0

0.1

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　

2.5

2.8

3

3　

3.5

4

4　

4.5

5

5　

5.5

6

6　

7

8

8　

9

10

10　

11

12

12　

13

14

16

17

18

20

22

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

0.7

0.75

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

3.2

3.5

4

R4

5

R5

6

R6

6.5

8
Drawing

Clear

Blade length (ℓ)(mm)
0.08

0.13

0.15

0.16

0.2

0.24

0.25

0.28

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

2.1

2.2

2.25

2.3

2.4

2.5

2.7

3

3　

3.2

3.5

3.7

4

4　

4.5

4.8

5

5　

5.25

5.5

5.6

6

6　

6.75

7

7　

7.5

8

8.25

8.4

9

10

10　

10.5

11

12

12　

12.5

13

13.5

14

15

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

37.5

38

40

42

45

48

50

55

56

60

64

75

80

100
Drawing

Clear

Number of flutes(sheet)
2

3

4

5

6

8
Drawing

Clear

Overall Length (L)(mm)
34

35

38

40

45

48

49

50

51

52

53

55

57

60

62

63

64

65

68

70

72

74

75

80

83

85

86

90

92

95

100

104

105

110

115

120

121

125

130

135

140

145

150

160

170

175

180

185

190

200

220

230
Drawing

Clear

work material
- general steel
- Quenched and tempered steel
- High Hardness Steel-HRC55
- High Hardness Steel-HRC60
- High Hardness Steel-HRC65
- Stainless Steel
- Cast Iron
- Aluminum
- Titanium
- Copper
- Graphite
- Resin
Details

Clear

Shank diameter (d)(mm)
3

4

5.8

6

7.8

8

9

9.8

10

11

12

13

14

15

16

17

18

20

25
Drawing

Clear

Underneck length (ℓ1)(mm)
0.20

0.5

1

1.5

1.60

1.8

2

2.4

2.5

3

3.5

3.8

4

4.5

5

6

7

7.5

8

9

10

11

12

12.35

12.5

13

14

14.35

15

16

16.65

18

19

20

21

22

24

25

26

27

28

30

32

32.1

32.6

33.6

34

34.6

35

35.6

36

38

39

40

41.2

42

42.2

43.2

44

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

65

66

70

72

75

80

80.4

81.4

82

82.4

84

85

90

92.9

95

100

102

105

108

110

120

120.6

121.6

122.6

125

140

160

160.8

-
Drawing

Clear

Machining Application
- Plane
- Side
- Curved surface
- Groove
- Plunging (Z feed)
- Inclined Cuts
Images

Clear

Coating
- For High Hardness (Silicon Group)
- TiAlN
- For General Steels (AlCrN, etc.)
- TiCN
- DLC
- Dia Coat
- Non-Coated
- AlTiN
- Other
Details

Clear

Type
- radius
- High-Feed Radius
- Long-Neck Radius
- Tapered neck radius
Clear

Torsion Angle (θ)
- No torsion
- Weak torsion (15 to 25˚)
- Standard torsion (30-40°)
- Powerful Torsion (45°-60°)
- Other
- 45°
Clear

R Precision(μm)
-0.032～-0.059

-0.025～-0.047

-0.020～-0.038

-0.014～-0.028

-0.005 to 0.005

0～-20

0～-0.05

0～-0.030

0～-0.015

0～-0.01

0～+0.04

Corner Radius Tolerance ±0.003

Corner Radius Tolerance ±0.005

±0.005

0.005 to -0.005

0.005～-0.005

±0.01

0.01 to -0.01

0.01～-0.01

±0.015

0.015～-0.015

±0.02

0.02～-0.02

0.025～-0.025

±0.03

±0.05

±2

±3

10

±10

±15

±20
Drawing

Clear

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7 LEADERS Carbide Radius End Mills

Search by specifying the lower class category

Configure

Specification/Dimensions

Blade diameter (D)(φ)

R Size(mm)

Blade length (ℓ)(mm)

Number of flutes(sheet)

Overall Length (L)(mm)

work material

Shank diameter (d)(mm)

Underneck length (ℓ1)(mm)

Machining Application

Coating

Type

Torsion Angle (θ)

R Precision(μm)

Narrow search by specifying Manufacturer

CAD

Related Categories to Carbide Radius End Mills

Payment Method

About MISUMI

About this Website

Useful Tools

Customer Service

Social Media

MISUMI Contact 9am – 6pm (Mon – Fri) * Order cut-off time is 5pm, 9am – 1pm(Sat) * Order cut-off time is 12pm