7 LEADERS High Helical End Mills (Carbide)（Machining Application：Countersinking）

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Carbide 4-Flute High-Hardness End Mill 55° E168TX

7 LEADERS

[Features]
· High performance 4-flute 55° high torsion end mill for machining high hardness materials with UMG carbide substrate.
· Enables high-efficiency machining in side cutting of high-hardness materials (up to HRC 70).
· Nanoparticle multilayer coating.
· Suitable for machining high-hardness materials from HRC 45 to 70 due to high sheath harness and high initial oxidation temperature.
· Suitable for a wide range of work materials from general steel to high hardness steel.

Volume Discount

Starting from^∗ ：	55.21 €
Min. Shipping Days ：	8 Days

*Unit price with basic configuration


Brand
Product Series
Starting from^∗
Min. Shipping Days ：
Blade diameter (D)(φ)
work material
Blade length (ℓ)(mm)
Number of flutes(sheet)
Type
Coating
Shank diameter (d)(mm)
Overall Length (L)(mm)
Underneck length (ℓ1)(mm)
Machining Application
Blade tip shape
Torsion Angle (θ)


Brand	7 LEADERS
Product Series	Carbide 4-Flute High-Hardness End Mill 55° E168TX
Starting from^∗	55.21 € *Unit price with basic configuration Volume Discount
Min. Shipping Days ：	8 Days
Blade diameter (D)(φ)	3 ～ 20
work material	General Steel[○] / Quenched and tempered steel[○] / High Hardness Steel: to HRC55[◎] / High Hardness Steel: to HRC60[○] / High Hardness Steel: to HRC65[○]
Blade length (ℓ)(mm)	8 ～ 38
Number of flutes(sheet)	4
Type	High Helical
Coating	-
Shank diameter (d)(mm)	6 ～ 20
Overall Length (L)(mm)	50 ～ 100
Underneck length (ℓ1)(mm)	-
Machining Application	Countersinking
Blade tip shape	With Lead
Torsion Angle (θ)	High Helix (45˚ to 60˚)

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Blade diameter (D)(φ)
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10～10.9
  - 10
  - 10.1
  - 10.2
  - 10.3
  - 10.4
  - 10.6
  - 10.7
  - 10.8
  - 10.9
- 11～11.9
  - 11
  - 11.1
  - 11.2
  - 11.3
  - 11.4
  - 11.6
  - 11.7
  - 11.8
  - 11.9
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 20
- 25
- 30
Drawing

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

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Blade length (ℓ)(mm)
- 2～2.5
  - 2
  - 2.5
- 4～4.5
  - 4
  - 4.5
- 5
- 6
- 7.5
- 8
- 9
- 10～10.5
  - 10
  - 10.5
- 11
- 12～12.5
  - 12
  - 12.5
- 13～13.5
  - 13
  - 13.5
- 14
- 15
- 16～16.5
  - 16
  - 16.5
- 17～17.5
  - 17
  - 17.5
- 18
- 19～19.5
  - 19
  - 19.5
- 20
- 22～22.5
  - 22
  - 22.5
- 23
- 24
- 25～25.5
  - 25
  - 25.5
- 26
- 28
- 30
- 32
- 33
- 36
- 37
- 38
- 40
- 42
- 44
- 45
- 46
- 48
- 50
- 53
- 56
- 66
- 70
- 76
- 100
- 110
Drawing

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Number of flutes(sheet)
2

3

4

5

6

7

8

10
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Type
- Square
- High Helical
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Coating
- For High Hardness (Silicon Group)
- TiAlN
- For General Steels (AlCrN, etc.)
- Dia Coat
Details

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Shank diameter (d)(mm)
4

6

8

10

12

14

16

18

20

25

32
Drawing

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Overall Length (L)(mm)
45

50

57

60

63

65

70

72

75

80

83

90

92

100

104

105

110

120

121

125

130

140

150

160

180

200
Drawing

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Underneck length (ℓ1)(mm)
- 15
- 20
- 21
- 25
- 27
- 30
- 32
- 38
- 40
- 44
- 50
- 54
- 60
- 65
- 80
- 100
Drawing

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

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Blade tip shape
- Sharp Edge
- With Lead
- Micro R
Images

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Torsion Angle (θ)
- High Helix (45˚ to 60˚)
- Variable lead
Drawing

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