Inch

Aluminum

Brass

Bronze

Copper

Fiberglass

Iron

Nickel

Plastic

Stainless Steel

Steel

Titanium

Hardened Steel

1"

1 1/8"

1 1/4"

1 3/8"

1 7/16"

1 21/32"

1"

1 1/16"

1 1/8"

1 11/64"

1 3/16"

1 1/4"

1 23/64"

1 3/8"

1 7/16"

1 35/64"

1 37/64"

1 19/32"

1 21/32"

1 5/8"

1 11/16"

1 3/4"

1 13/16"

1 7/8"

1 15/16"

2"

2 1/16"

2 1/8"

2 5/32"

2 11/64"

2 7/32"

2 3/8"

2 15/32"

2 1/2"

2 5/8"

2 23/32"

2 7/8"

2 15/16"

3 1/8"

3 5/32"

3 7/32"

3 3/8"

0-80, 1-64, 1-72, 2-56, 2-64, 3-48, 3-56, 4-40, 4-48

1 each of sizes 0-80, 1-64, 1-72, 2-56, 2-64, 3-48, 3-56, 4-40, 4-48

1 each of sizes 6-32, 6-40, 8-32, 8-36, 10-24, 10-32, 12-24, 12-28, 1/4"-20, 1/4"-28

1 each of sizes 6-40, 8-36, 10-24, 10-32, 1/4-28, 5/16-24, 3/8-24, 7/16-20, and 1/2-20

5-40, 5-44, 6-32, 6-40, 8-32, 8-36, 10-24, 10-32, 12-24, and 12-28

5/16"-18, 5/16"-24, 3/8"-16, 3/8"-24, 7/16"-14, 7/16"-20, 1/2"-13, and 1/2"-20

6-40, 8-36, 10-24, 10-32, 1/4"-28, 5/16"-24, 3/8"-24, 7/16"-20, and 1/2"-20

8-36

Spiral

Spiral Point

Straight

H2

H3

UNC

UNF

0.0469"

0.0595"

0.067"

0.07"

0.0785"

0.081"

0.089"

0.0935"

0.1015"

0.104"

0.1065"

0.113"

0.136"

0.1495"

0.159"

0.177"

0.18"

0.201"

0.213"

0.257"

0.272"

0.3125"

0.332"

0.368"

0.3906"

0.4219"

0.4531"

3

18

19

36

53 Ga.

51 Ga.

50 Ga.

47 Ga.

46 Ga.

43 Ga.

42 Ga.

38 Ga.

37 Ga.

36 Ga.

33 Ga.

29 Ga.

25 Ga.

21 Ga.

17 Ga.

16 Ga.

15 Ga.

18-8 Stainless Steel

Steel

Black Oxide

Gold Oxide

Titanium Carbon Nitride (TiCN) Coated

Titanium Nitride (TiN) Coated

Uncoated

Drill Bit

Tap

EAR99

Exempt

Compliant

Not Compliant

Compliant