Tap set

form of thread

The width of teeth

Threads diameter

M2

standard

0.4

1.6

0.25

1.75

M2.5

Standard

0.45

2.1

0.35

2.2

M2.6

Standard

0.45

2.2

0.35

2.25

M3

Standard

0.5

2.6

0.35

2.7

M3.5

0.6

3

0.35

3.2

M4

Standard

0.7

3.4

0.5

3.6

M5

Standard

0.8

4.2

0.5

4.6

M6

Standard

1

5.1

0.75

5.3

M8

Standard

1.25

6.8

1

7.1

0.75

7.3

M10

standard

1.5

8.6

1.25

8.9

closely-pitched

1

9.1

0.75

9.3

M12

standard

1.75

10.4

1.5

10.6

1.25

10.9

closely-pitched

1

11.1

M14

Standard

2

12.2

1.5

12.6

1

13.1

M16

Standard

2

14.2

1.5

14.6

1

15.1

M18

Standard

2.5

15.7

closely-pitched

2

16.2

closely-pitched

1.5

16.6

closely-pitched

1

17.1