BIG KAISER Chamfering / Centering Tools（work material：Copper）

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Center Boy

BIG KAISER

Accurately positions the drill hole and chamfers at the same time. High-precision throw-away bits with outstanding cutting sharpness. Eliminates the need for bit grinding. Long shank reduces interference with the workpiece.

Starting from^∗ ：	106.00 €
Min. Shipping Days ：	5 Days

*Unit price with basic configuration

High Speed Coating for Center Boy Throwaway Bit

High Speed Coating for Center Boy Throwaway Bit【5 Pieces Per Package】

BIG KAISER

[Features]
· Shows outstanding sharpness as it has a cutting edge with precision finishing.
· Because it is a disposable item with replaceable edge, it does not require regrinding and always performs smoothly.

Starting from^∗ ：	109.37 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration

R-Cutter Front / Back Round Chamfer

BIG KAISER

[Features]
· Automates rounded chamfering. Supports both front and back chamfering. Dramatically more efficient with 4 flutes

Starting from^∗ ：	192.00 €
Min. Shipping Days ：	10 Days

*Unit price with basic configuration


Brand
Product Series
Starting from^∗
Min. Shipping Days ：
Application
Tip angle (θ)
Tool Diameter (D)(mm)
work material
Single blade, two blades
Peripheral Blade Y/N
Tool Material Type
Coating Y/N
Coating Type
R Size (R)(mm)


Brand	BIG KAISER	BIG KAISER	BIG KAISER
Product Series	Center Boy	High Speed Coating for Center Boy Throwaway Bit【5 Pieces Per Package】	R-Cutter Front / Back Round Chamfer
Starting from^∗	106.00 € *Unit price with basic configuration	109.37 € *Unit price with basic configuration	192.00 € *Unit price with basic configuration
Min. Shipping Days ：	5 Days	7 Days	10 Days
Application	Centering (Positioning) / Hole Chamfer	Centering (Positioning) / Hole Chamfer	Chamfering/Horizontal / Round Chamfer
Tip angle (θ)	90 ～ 120	90	45°
Tool Diameter (D)(mm)	-	-	-
work material	Copper[○]	Copper[○]	Copper[○]
Single blade, two blades	-	-	-
Peripheral Blade Y/N	N/A	N/A	N/A
Tool Material Type	High-speed steel	High-speed steel	-
Coating Y/N	Available	Available	-
Coating Type	TiN	TiN	-
R Size (R)(mm)	-	-	1/2/3/4

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Application
- Centering (Positioning)
- Hole Chamfer
- Chamfering/Horizontal
- V Groove
- Round Chamfer
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Tip angle (θ)
0–90

3X60°

4X60°

5～85

5～85°

6X60°

8X60°

8X90°

10X60°

10X90°

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20

25

30

35

40

45

45°

50

55

60

60°

60 × 120

65

65°

70

75

75°

80

90

90°

118

120

120°

125°

130

135

145+90
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Tool Diameter (D)(mm)
0 to 2

0.02

0.03

0.04

0.05

0.06

0.07

0.08

0.09

0.1

0.11

0.12

0.13

0.14

0.15

0.16

0.17

0.18

0.19

0.2

0.21

0.22

0.23

0.24

0.25

0.26

0.27

0.28

0.29

0.3

0.3, 0.6

0.35

0.4

0.45

0.45～2.1

0.45～2.7

0.5

0.5, 1

0.55

0.6

0.65

0.65～2.1

0.65～2.7

0.7

0.75

0.8

0.85

0.9

0.95

1

1, 2

1–6

1.1

1.2

1.25

1.3

1.4

1.5

1.6

1.6～3.35

1.7

1.8

1.9

2.

2

2–10

2～13

2.1

2.2

2.3

2.4

2.5

2.5～5.3

2.6

2.7

2.8

2.9

3

3~14

3 to 15

3.1

3.15

3.17

3.2

3.4

3.5

3.6

3.8

4

4.2

4.3

4.4

4.5

4.6

4.8

5

5.1

5.2

5.3

5.4

5.5

5.6

5.8

6

6.2

6.3

6.3,8.3,10.4,12.4,16.5,20.5

6.30/8.30/10.40/12.40/16.50/20.50

6.3/8.3/10.4/12.4/16.5/20.5

6.35

6.4

6.5

6.6

6.8

7

7.2

7.3

7.4

7.5

7.6

7.7

7.8

7.92

8

8.2

8.3

8.4

8.8

9

9.1

9.4

9.5

9.52

9.53

10

10.1

10.3

10.4

10.5

10.8

11

11.1

11.4

11.5

11.88

12

12.1

12.3

12.4

12.5

12.7

13

13.4

13.5

14

14.2

14.4

14.5

14.6

15

15.1

15.2

15.4

15.5

15.6

15.87

15.88

16

16.15

16.3

16.5

17

17.1

17.7

18

18.2

18.5

18.6

19

19.05

19.5

20

20.5

21

21.5

21.77

22

22.3

22.5

23

23.4

24

25

25.0(+0.3)

25.20

25.3

26

26.6

27

28

29

29.9

30

30.20

30.5

31

31.5

31.7

31.9

32

32.6

32.7

33.1

33.3

34

34.1

34.8

34.9

35

35.4

35.9

36

36.9

37

37.1

37.9

38

39

39.83

40

43

45

45.6

46

48

49.85～134.6

50

50.7

52.8

53.6

53.91

54.3

55

56

56.8

57.0

57.9

58.2

60

61.4

62.2

63

64.6

65

66

67.4

67.94

69.2

69.8

70

71.8

73.3

75

80

90

95

100
Drawing

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work material
- General Steel
- Quenched and tempered steel
- High Hardness Steel
- Stainless Steel
- Cast Iron
- Aluminum
- Titanium
- Copper
- Graphite
- Resin
Details

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Single blade, two blades
- Single blade
- Double-edged
Images

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Peripheral Blade Y/N
- Available
- N/A
Clear

Tool Material Type
- High-speed steel
- Cobalt HSS
- Powder high-speed steel
- Carbide
Details

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Coating Y/N
- Available
- N/A
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Coating Type
- TS
- TiAlN
- TiCN
- TiN
- DLC
- Non-Coated
- AlCrN
- ALT
- Other
Details

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R Size (R)(mm)
0.1

0.15

0.2

0.25

0.3

0.35

0.4

0.45

0.5

R0.5

0.5/1/1.5/2

0.5 to 4

0.5~5

0.55

0.6

0.65

0.7

0.75

R0.75

0.8

0.85

0.9

0.95

1

1RM

1RY

R1

1, 1.5

1/2/3/4

1–3

1–5

1.05

1.1

1.15

1.2

1.25

R1.25

1.3

1.35

1.4

1.45

1.5

R1.5

1.55

1.6

1.65

1.7

1.75

1.8

1.85

1.9

1.95

2

2RM

2RY

R2

2, 3

2.05

2.1

2.15

2.2

2.25

2.3

2.35

2.4

2.45

2.5

R2.5

2.6

2.7

2.75

2.8

2.9

3

3RM

3RY

R3

3.25

3.5

R3.5

3.75

4

4RM

4RY

R4

4.25

4.5

R4.5

4.75

5

5RM

R5

5–10

5.25

5.5

5.75

6

R6

6.25

6.5

6.75

7

R7

7.25

7.5

7.75

8

R8

8.5

9

R9

9.5

10

R10

10.5

11

11.5

12

R12

12.5

R12.5

13

13.5

14

14.5

15

R15

15.5

16

R16

16.5

17

17.5

18

18.5

19

19.5

20

20.5

21

21.5

22

22.5

23

23.5

24

24.5

25

25.5

26

26.5

27

27.5

28

28.5

29

29.5

30

XRM

XRY
Drawing

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