Mechanical Engineering Drawing Workshop

Metric thread
Name of thread

Pitch

Priority

Coarse

Fine

1st2nd

3rd

32 1.5 1.25

1 0.8 0.5 0.35 0.25 0.2

1 -

- 0.25

0.2

- 1.1

- 0.25

0.2

1.2-

- 0.25

0.2

- 1.4

- 0.3

0.2

1.6-

- 0.35

0.2

- 1.8

- 0.35

0.2

2 -

- 0.4

0.25

- 2.2

- 0.45

0.25

2.5-

- 0.45

0.35

3 -

- 0.5

0.35

- 3.5

- 0.6

0.35

4 -

- 0.7

0.5

- 4.5

- 0.75

0.5

5 -

- 0.8

0.5

- -

5.5

0.5

6 -

-^1

0.8

-^7

-^1

0.8

8 -

- 1.25

1 0.8

- -

9 1.25

1 0.8