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Chamfering / Centering Tools（R Size (R)：R4.5）

Chamfering/countersinking tools are tools used for grinding center holes, positioning holes, grinding holes, or deburring and rounding the edges after side-surface machining. They are attached to machine tools such as drill press, lathe, machining center, etc. Center drills are used to position the initial indentation on the work material to avoid misalignment of the drill bit tip. Their materials include alloy carbide, powdered high-speed steel, cobalt high-speed steel and high-speed steel. Countersinking and chamfering cutters are capable of chamfering after drilling holes. Chamfering cutters with a hole on the tip allow for smooth cutting discharge on soft work materials such as copper and aluminum. Center drills have a 90° tip angle and they can be used for positioning and chamfering at the same time.

Search by specifying the lower class category

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

0.02

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

0.25～1.1

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

0.63

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

1～2.12

1 to 2.5

1/4

1–6

1/8

1/16

1/32

1/64

1.1

1.2

1.25

1.25～2.65

1.3

1.4

1.5

1.5 to 4

1.6

1.6～3.35

1.7

1.8

1.9

2.

2

2～4.25

2~5

2–10

2～13

2.1

2.2

2.3

2.4

2.5

2.5～5.3

2.5 to 6.5

2.6

2.7

2.8

2.9

3

3–6

3/8

3×8

3–8

3~14

3 to 15

3/16

3/32

3/64

3.1

3.15

3.15～6.7

3.2

3.3

3.4

3.5

3.6

3.7

3.8

3.9

4

4～8.5

4×10

4–10

4.1

4.2

4.3

4.4

4.5

4.6

4.7

4.8

4.9

5

5～10.6

5×12

5–12

5/16

5/32

5/64

5.1

5.2

5.3

5.4

5.5

5.6

5.8

6

6~15

6×18

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

6.3～13.2

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 to 17

8.2

8.3

8.4

8.5

8.8

9

9.1

9.4

9.5

9.52

10

10～21.2

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

16.5,20.5,25.0,37.0

17

17.1

17.7

18

18.2

18.5

18.6

19

19.05

19.5

20

20.0(+0.3)

20.5

21

21.5

21.77

22

22.3

22.5

23

23.4

23.5

24

24.5

25

25.0(+0.3)

Max: 25, Min: 4.2

25.20

25.3

25.4

26

26.5

26.6

27

27.5

28

28.5

29

29.9

30

30.0(+0.3)

Max: 30, Min: 4

30.20

30.5

31

Max: 31, Min: 10

31.5

31.7

31.9

32

32.6

32.7

33.1

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

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

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

60×120

65

70

75

80

90

90°

Center Hole Angle: 90°

Cutter Tip Angle: 100°

118

120

120°

125°

130

135

140°

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

3.15

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

6.3

6.5

6.75

7

R7

7.2

7.25

7.5

7.75

8

R8

8.25

8.5

8.75

9

R9

9.5

9.6

10

R10

10.5

11

11.5

12

R12

12.5

R12.5

13

13.5

14

14.4

14.5

15

R15

15.5

16

R16

16.5

17

17.5

18

18.5

19

19.2

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

31.5

XRM

XRY
Drawing

Clear

Brand	(0) (0) 7 LEADERS (0) ALPEN (0) ASAHI TOOLS (0) ATI (0) ATOM (0) BIG DAISHOWA SEIKI (0) DAIICHITOOL (0) DIJET (0) DIXI (0) EIKOSHA (1) ESCO (0) FUJIGEN (0) FUKUDA (0) GUHRING (0) H & H (0) ILIX (0) ISCAR (0) IWATA TOOL (0) KYOWA SEIKO (0) MAKOTOLOY (0) MAPAL (0) MITSUBISHI HITACHI TOOL (0) NIKKENKOSAKU (0) NOGA JAPAN (0) NS TOOL (0) NT TOOL (0) Nine9 (0) OKABE (0) OKAZAKI SEIKO (0) OSG (0) PLUS_TOOL (0) POLO (0) PROCHI (0) Poulten&Graf (0) RS Pro (0) RUKO (0) RYOCO SEIKI (0) SANDVIK (0) SANKO MFG (0) SKC (0) STAR-M (0) TAIYO-TOOL (0) THE CUT (0) TRUSCO (0) UNION TOOL (0) WALTER TITEX (0) WATERMILLS (0) YAMAWA MFG (0)
CAD	2D 3D
Days to Ship	All Same day 1 Day(s) or Less 3 Day(s) or Less 4 Day(s) or Less 5 Day(s) or Less Others

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Corner Rounding Cutter CRC

EIKOSHA

Flute shape: Right-hand straight flute
Work material: General steel / heat-treated steel / aluminum / copper
[Applications]Used for round chamfering.

From: ฿ 4,072.57
Days to Ship: 6 Day(s)

6 Day(s)


Brand
Product Series
From
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)

	You can add up to 6 items per a category to the compare list.Compare
Brand	EIKOSHA
Product Series	Corner Rounding Cutter CRC
From	฿ 4,072.57
Days to Ship	6 Day(s)
Tool Material Type	High-speed steel
Tool Diameter (D)(mm)	18
Tip angle (θ)	-
Application	Round Chamfer
work material	general steel[○] / Quenched and tempered steel[○] / Aluminum[○] / Copper[○]
Single blade, two blades	-
Peripheral Blade Y/N	-
Coating Y/N	-
Coating Type	-
R Size (R)(mm)	R4.5