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DIN 7983

Tapping Screws Raised Countersunk Head 

Cross Recessed H Phillips - Type C With Cone Point

DIN 7983 CH / ISO 7051

Steel Grades: 4.6, 4.8, 8.8
Finish: Self, Black, Bright Zinc, Hot Dip Galvanized

Screw Thread
d

ST2.2

ST2.9

ST3.5

(ST3.9)

ST4.2

ST4.8

ST5.5

ST6.3

P

Pitch

a

max

dk

max=nominal size

min

f

k

y

Type C

Type F

Socket No.

M1

 

M2

 

0.8

1.1

1.3

1.3

1.4

1.6

1.8

1.8

0.8

1.1

1.3

1.3

1.4

1.6

1.8

1.8

4.3

5.5

6.8

7.5

8.1

9.5

10.8

12.4

4

5.2

6.44

7.14

7.74

9.14

10.37

11.97

0.7

0.9

1.2

1.3

1.4

1.5

1.7

2

1.3

1.7

2.1

2.3

2.5

3

3.4

3.8

2

2.6

3.2

3.5

3.7

4.3

5

6

1.6

2.1

2.5

2.7

2.8

3.2

3.6

3.6

1

1

2

2

2

2

3

3

2.8

3.4

4.6

4.7

4.9

5.4

7

7.4

2.4

3.1

4.3

4.4

4.6

5.1

6.6

7.1

Weight of per 1000 steel products(≈kg)

-

-

-

-

-

-

-

-