Thread Size d

M1.6

M2

M2.6
M2.5

M3

M4

M5

M6

M8

M10

M12

(M14)

M16

Thread Pitch p

0.35

0.4

0.45

0.5

0.7

0.8

1

1.25

1.5

1.75

2

2

S

Nominal

0.7

0.9

1.3

1.5

2.0

2.5

3.0

4.0

5.0

6.0

6.0

8.0

Min.

0.711

0.889

1.27

1.52

2.02

2.52

3.02

4.02

5.02

6.02

6.02

8.025

Max.

0.724

0.902

1.295

1.545

2.045

2.56

3.08

1.095

5.095

6.095

6.095

8.115

e

Min.

0.803

1.003

1.427

1.73

2.30

2.30

3.44

4.58

5.72

6.86

6.86

9.15

df

~

Minor Thread Diameter

t

Min.

Shallow

0.7

0.8

1.2

1.2

1.5

2

2

3

4

4.8

5.6

6.4

Deep

1.4

1.6

2

2

2.5

3

3.5

5

6

8

9

10

S
c
r
e
w

E
n
d

Flat Point

dp

Max.

0.8

1.0

2.0

2.0

2.5

3.5

4.0

5.5

7.0

8.5

10

12.0

Min.

0.55

0.75

1.75

1.75

2.25

3.2

3.7

5.2

6.64

8.14

9.64

11.57

Oval Point

r

~

2

2.5

2.5

3

4

5

7

9

11

13

15

Dog Point

dp

Max.

0.8

1

1.5

2

2.5

3.5

4

5.5

7

8.5

10

12

Min.

0.55

0.75

1.25

1.75

2.25

3.2

3.7

5.2

6.64

8.14

9.64

11.57

Z

Short

0.4

0.5

0.63

0.75

1

1.25

1.5

2

2.5

3

3.5

4

Long

0.8

1

1.25

1.2

2

2.5

3

4

5

6

7

8

Cone Point

dt

Max.

0.16

0.2

0.25

0.3

0.4

0.5

1.5

2.0

2.5

6.0

4

4

Min.

(1)

0.9

1.4

1.9

2.4

3.25

3.25

Cup Point

dv

Max.

0.8

1

1.2

1.4

2

2.5

3

5

6

8

9

10

Min.

0.55

0.75

0.95

1.15

1.75

2.25

2.75

4.7

5.7

7.64

8.64

9.64