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BIG DAISHOWA SEIKI Chamfering / Centering Tools（Application：Centering (Positioning)）

Search by specifying the lower class category

2 items

: 30; 45; 60

Days to Ship	All Same day 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

Center Boy

BIG DAISHOWA SEIKI

[Features]
·Accurate positioning of drilled holes and chamfering are performed at once.
·High-precision indexable bit with excellent sharpness.
·The cutting edge can be replaced, eliminating the need for regrinding.
·It is a long shank type with little work interference.

Standard Price:	SGD 147.42-
Days to Ship:	8 Day(s) or more

High speed coating for Center Boy throwaway bit

High speed coating for Center Boy throwaway bit【5 Pieces Per Package】

BIG DAISHOWA SEIKI

[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.

Standard Price:	SGD 122.00-
Days to Ship:	6 Day(s) or more


Brand
Product Series
Days to Ship
Tool Material Type
Tool Diameter (D)(mm)
Tip angle (θ)
Application
work material
Single blade, two blades
Peripheral Blade Y/N
Coating Y/N
Coating Type
R Size (R)(mm)


Brand	BIG DAISHOWA SEIKI	BIG DAISHOWA SEIKI
Product Series	Center Boy	High speed coating for Center Boy throwaway bit【5 Pieces Per Package】
Days to Ship	8 Day(s) or more	6 Day(s) or more
Tool Material Type	High-speed steel	High-speed steel
Tool Diameter (D)(mm)	-	-
Tip angle (θ)	90 ～ 120	90
Application	Centering (Positioning)	Centering (Positioning)
work material	general steel[○] / Cast Iron[○] / Aluminum[○] / Copper[○]	general steel[○] / Cast Iron[○] / Aluminum[○] / Copper[○]
Single blade, two blades	-	-
Peripheral Blade Y/N	NA	NA
Coating Y/N	Available	Available
Coating Type	TiN	TiN
R Size (R)(mm)	-	-

Configure

Specification/Dimensions

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

Clear

Tool Diameter (D)(mm)
0 to 2

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

1.7

1.8

1.9

2.

2

2~5

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

3.2

3.3

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

8

8.2

8.3

8.4

8.5

8.8

9

9.1

9.4

9.5

9.52

10

10.1

10.2

10.3

10.4

10.5

10.8

11

11.1

11.2

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

14.8

15

15.1

15.2

15.4

15.5

15.6

15.87

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

21.77

22

22.3

22.4

22.5

23

23.4

23.5

24

24.5

25

25.0(+0.3)

Max: 25, Min: 4.2

25.20

25.3

26

26.5

26.6

27

27.5

28

28.5

29

29.9

30

Max: 30, Min: 4

30.20

30.5

31

Max: 31, Min: 10

31.5

31.7

31.9

32

32.6

32.7

33

33.1

33.3

34

34.1

34.8

34.9

35

35.4

35.5

35.9

36

36.9

37

37.1

37.9

38

39

39.83

40

Max: 41, Min: 20

42

43

45

45.6

46

47

48

49

49.85～134.6

50

50.7

51

52

52.8

53

53.6

53.91

54

54.3

55

56

56.8

57.0

57.9

58

58.2

60

61.4

62

62.2

63

64

64.6

65

66

67.4

67.94

69.2

69.8

70

71.8

72

73.3

74

75

75.5

76

80

90

95

100
Drawing

Clear

Tip angle (θ)
0–90

5～85

5～85°

15

20

25

30

35

40

45

45°

50

55

60

60°

60 × 120

65

70

75

80

90

90°

Center Hole Angle: 90°

118

120

120°

125°

130

135

145+90
Drawing

Clear

Application
- Centering (Positioning)
- Hole Chamfer
- Chamfering/Horizontal
- V Groove
- Round Chamfer
- Engraved
- Drilling
- Other
Images

Clear

work material
- general steel
- Quenched and tempered steel
- high hardness steel
- Stainless Steel
- Cast Iron
- Aluminum
- Titanium
- Copper
- Graphite
- Resin
Details

Clear

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

Clear

Peripheral Blade Y/N
- Available
- NA
Clear

Coating Y/N
- Available
- NA
Clear

Coating Type
- TS
- TiAlN
- TiCN
- TiN
- DLC
- Non-Coated
- AlCrN
- ALT
- Other
Details

Clear

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

8.25

8.5

8.75

9

R9

9.5

10

R10

10.5

11

11~15

11.5

12

R12

12.5

R12.5

13

13.5

14

14.5

15

R15

15.5

16

R16

16–20

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

Clear

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BIG DAISHOWA SEIKI Chamfering / Centering Tools（Application：Centering (Positioning)）

Search by specifying the lower class category

Configure

Specification/Dimensions

Tool Material Type

Tool Diameter (D)(mm)

Tip angle (θ)

Application

work material

Single blade, two blades

Peripheral Blade Y/N

Coating Y/N

Coating Type

R Size (R)(mm)

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