Philips Countersunk Head Screw

d (diameter)

3

4

5

6

8

L (mm)

8-25

8-60

10-100

12-100

16-100

Thread Pitch / mm

0.5

0.7

0.8

1

1.25

dk (outer head width) / mm

5.6

7.5

9.2

11

14.5

k (max. head height) / mm

1.65

2.2

2.5

3

4

Nr. Philips (H) recess

1

2

2

3

4

d (diameter)

1/8

5/32

3/16

1/4

5/16

L (inch)

3/8, 1/2, 5/8

3/4, 1

3/8, 1/2, 5/8

3/4, 1, 1-1/4

1-1/2, 2

3/8, 1/2, 5/8, 3/4, 1

1-1/4, 1-1/2, 2

2-1/2, 3, 4

3/8, 1/2, 5/8, 3/4, 1

1-1/4, 1-1/2, 2

2-1/2, 3, 4

5/8, 3/4, 1, 1-1/4

1-1/2, 2, 2-1/2, 3, 4

Threads Per inch

40

32

24

20

18