Inch

Metric

1°

1 1/2°

2°

3°

5°

7°

10°

15°

20°

25°

30°

45°

1"

1 1/4"

1 1/2"

1 5/8"

1 3/4"

2"

2 1/2"

3"

1 mm

1.5 mm

2 mm

2.5 mm

3 mm

4 mm

6 mm

10 mm

1"

1 1/4"

1 1/2"

1 3/4"

2"

2 1/4"

8 mm

9 mm

9.5 mm

10 mm

10.5 mm

11 mm

11.5 mm

12 mm

12.5 mm

13 mm

13.5 mm

14 mm

14.4 mm

15 mm

18 mm

18.5 mm

19 mm

20 mm

21 mm

24 mm

25 mm

27 mm

27.5 mm

28 mm

28.5 mm

30 mm

31 mm

50 mm

60 mm

6 mm

8 mm

10 mm

12 mm

16 mm

20 mm

Carbide

Cast Iron

Steel

2"

2 3/8"

2 1/2"

2 9/16"

2 5/8"

2 3/4"

2 7/8"

3"

3 1/8"

3 1/4"

3 3/8"

3 1/2"

4"

4 1/4"

5 3/4"

5 7/8"

6 7/16"

7 3/16"

7 1/2"

58 mm

64 mm

65 mm

70 mm

75 mm

76 mm

80 mm

85 mm

89 mm

100 mm

109 mm

110 mm

Aluminum Titanium Nitride (AlTiN) Coated

Black Oxide

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Aluminum Silicon Nitride (TiAlSiN) Coated

Titanium Diboride (TiB₂) Coated

Titanium Nitride (TiN) Coated

Uncoated

Yes

No

EAR99

2"

2 3/8"

2 1/2"

2 9/16"

2 5/8"

2 3/4"

2 7/8"

3"

3 1/8"

3 1/4"

3 3/8"

3 1/2"

4"

4 1/4"

5 3/4"

5 7/8"

6 7/16"

7 3/16"

7 1/2"

58 mm

64 mm

65 mm

70 mm

75 mm

76 mm

80 mm

85 mm

89 mm

100 mm

109 mm

110 mm

10° to 43°

15° to 55°

28°