1"

1 1/4"

1 3/8"

1 1/2"

1 5/8"

1 3/4"

2"

2 1/4"

2 1/2"

2 3/4"

3"

3 1/2"

4"

4 1/2"

5"

6"

Aluminum Chromium Nitride (AlCrN) Coated

Aluminum Oxide Coated

Aluminum Titanium Chromium Nitride (AlTiCrN) Coated

Aluminum Titanium Nitride (AlTiN) Coated

Black Oxide

Diamondlike Carbon (DLC) Coated

Nickel Plated

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

Keo

Kyocera

Mil-Tec

Republic Drill

Sandvik Coromant

Widia

Insert

Insert Holder

1"

1 1/4"

1

2

3

4

5

6

7

8

9

10

11

13

0.039"

0.202"

0.252"

0.318"

0.383"

0.579"

0.23"

0.34"

0.35"

0.38"

0.39"

0.4"

0.42"

0.46"

0.52"

0.58"

0.61"

0.62"

0.63"

0.66"

1"

1 1/4"

1 1/2"

2"

0.16"

0.202"

0.205"

0.252"

0.258"

0.268"

0.318"

0.329"

0.378"

0.383"

0.395"

0.472"

2

3

8

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Carbon Nitride (TiCN) Coated

Titanium Diboride (TiB₂) Coated