0.189"

0.193"

0.201"

0.224"

0.236"

0.268"

0.295"

0.331"

0.350"

0.402"

0.419"

0.486"

0.498"

0.585"

0.608"

0.705"

0.732"

1"

1 1/8"

1 1/4"

1 3/8"

1 1/2"

1 5/8"

1 3/4"

2"

2 1/4"

2 1/2"

Aluminum Oxide Ceramic

Carbide

Cubic Boron Nitride

Steel

0.04"

0.079"

0.087"

0.094"

0.118"

0.122"

0.15"

0.157"

0.161"

0.187"

0.195"

0.197"

0.201"

0.236"

0.252"

0.002"

0.004"

0.005"

0.007"

0.008"

0.010"

Roughing

Medium

Finishing

Aluminum Titanium Chromium Nitride (AlTiCrN) Coated

Black Oxide

Diamondlike Carbon (DLC) Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Aluminum Oxygen Nitride (TiAlON) Coated

Titanium Carbon Nitride (TiCN) Coated

Titanium Diboride (TiB2) Coated

Titanium Nitride (TiN) Coated

Uncoated

35°

55°

60°

80°

90°

1

2

3

4

6

8

12

0°

5°

7°

11°

15°

Compliant

Not Compliant

Exempt

Compliant

Not Compliant

EAR99

2 3/8"

2 1/2"

2 3/4"

3"

3 3/8"

3 1/2"

3 5/8"

3 7/8"

4"

4 1/4"

4 3/8"

4 1/2"

4 5/8"

5"

5 1/4"

5 3/8"

5 1/2"

5 5/8"

5 3/4"

5 7/8"

6 1/8"

6 1/4"

6 3/8"

6 3/4"

7 3/8"

7 5/8"

8"

8 1/8"

8 1/2"

9"

9 3/8"

10 1/8"

10 3/8"

10 3/4"

11 1/4"

11 1/2"

12 1/4"