Inch

Metric

1"

1 1/8"

1 1/4"

1 5/16"

1 3/8"

1 15/32"

1 1/2"

1 3/4"

1 27/32"

2"

2 7/32"

2 1/4"

2 3/8"

2 1/2"

2 5/8"

2 21/32"

2 3/4"

2 7/8"

3"

3 1/8"

3 1/2"

4"

4 1/2"

5"

6"

8"

14 1/2°

20°

12

13

14

16

17

20

21

25

26

34

35

54

55

134

135

6

8

12

16

20

24

32

48

1"

1 1/4"

1 1/2"

2"

Carbide

Carbide-Tipped High-Speed Steel

Steel

1

2

3

4

5

6

7

8

Aluminum Titanium Chromium Nitride (AlTiCrN) Coated

Aluminum Titanium Nitride (AlTiN) Coated

Carbide Tipped

Diamondlike Carbon (DLC) Coated

Nickel Plated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Carbon Nitride (TiCN) Coated

Titanium Diboride (TiB₂) Coated

Titanium Nitride (TiN) Coated

Uncoated

Individual

Set

0.094"

0.125"

0.25"

0.313"

0.382"

0.5"

0.625"

0.626"

EAR99

4

6

8

10

12

14

16

18

20

24

26

28

30

32

34

36

38

40

42

44

48

50

56

60

72

76

96

98

110

140

152

168

190

220

224

280

310

340

380

440

460

1"

1 1/4"

0.11"

0.12"

0.13"

0.16"

0.19"

0.2"

0.22"

0.23"

0.25"

0.266"

0.28"

0.31"

0.32"

0.328"

0.34"

0.38"

0.39"

0.4"

0.406"

0.43"

0.437"

0.44"

0.46"

0.47"

0.49"

0.531"

0.656"

0.687"

0.781"

1.031"

1.219"

1.531"

2"

2.02"

2 1/32"

2 3/64"

2 1/16"

2 3/32"

2 1/8"

2 5/32"

2 3/16"

2 7/32"

2 1/4"

2 5/16"

2 3/8"

2 1/2"

2 19/32"

2 11/16"

2 3/4"

2 7/8"

3"

3 1/4"

3 7/16"

3 1/2"

3 15/16"

4"

4 3/16"

4 7/16"

4 13/16"

5 3/8"

5 29/32"

1 9/64"

1 1/2"

1 43/64"

1 31/32"

2 1/8"

1"

1 1/4"

1 1/2"

Staggered

Straight