Inch

Metric

4-40

6-32

8-32

10-24

10-32

1/4"-20

1/4"-28

5/16"-18

5/16"-24

3/8"-16

3/8"-24

7/16"-14

7/16"-20

1/2"-13

1/2"-20

9/16"-18

5/8"-11

5/8"-18

M3

M3.5

M4

M5

M6

M7

M8

M10

M12

M16

Aluminum

Brass

Bronze

Copper

Iron

Nickel

Plastic

Stainless Steel

Steel

0.5 mm

0.6 mm

0.7 mm

0.75 mm

0.8 mm

1 mm

1.25 mm

1.5 mm

1.75 mm

2 mm

2.5 mm

2.9 mm

3.3 mm

4.2 mm

5 mm

5.2 mm

6 mm

6.7 mm

7.2 mm

8.5 mm

8.9 mm

10.2 mm

14 mm

43 Ga.

36 Ga.

29 Ga.

25 Ga.

21 Ga.

7 Ga.

3 Ga.

F

H

I

Q

U

1 5/16"

1 3/8"

1 13/32"

1 27/64"

1 7/16"

1 15/32"

1 1/2"

1 33/64"

1 17/32"

1 9/16"

1 19/32"

1 5/8"

1 23/32"

1 15/16"

2 19/64"

2 7/8"

3"

3 1/8"

3 3/8"

3 1/2"

3 23/32"

3 15/16"

4 1/16"

4 3/4"

5 1/16"

5 1/2"

6 1/16"

Metric

UNC

UNF

1 1/8"

1 1/4"

1 3/8"

1 5/8"

1 3/4"

Titanium Nitride (TiN) Coated

Uncoated

6-32, 8-32, 10-24, 1/4"-20, 5/16"-18, and 3/8"-16

M3 × 0.5 mm, M4 × 0.7 mm, M5 × 0.8 mm, M6 × 1.0 mm, M8 × 1.25 mm, and M10 × 1.5 mm

1 1/8"

1 1/4"

1 3/8"

1 5/8"

1 3/4"

EAR99

Compliant

Compliant

Exempt

0.089"

0.0937"

0.0984"

0.1065"

0.1142"

0.125"

0.1299"

0.136"

0.1495"

0.159"

0.1653"

0.1719"

0.1968"

0.201"

0.2031"

0.2047"

0.213"

0.2362"

0.257"

0.2637"

0.2656"

0.266"

0.272"

0.2834"

0.3125"

0.332"

0.3346"

0.3503"

0.368"

0.3906"

0.4015"

0.4219"

0.4531"

0.509"

0.5313"

0.5512"

0.5781"

0.9687"

Fabric Pouch

Plastic Case

D4

D5

D6

D7

H2

H3

Not Rated

110°

118°

3/32", 1/8", 11/64", 13/64", 17/64", and 31/64"

5/16", 36 ga., 29 ga., 25 ga., 7 ga., and F