Back to Low Head Socket Head Cap Screw Menu
Low Head Socket Head Cap Screw
DIN 7984
Grade 10.9
Threads: ISO 262 (coarse only)

  1. Material High Grade Alloy Steel.
  2. Hardness Rc 33-40.
  3. Tensile Stress 1000 M Pa.
  4. Shear Stress 600 M Pa.
  5. 0.2 degree Yield Stress 900 M Pa.
  6. Sizes M5 and larger are stamped U 10.9.

All dimensions in millimeters.
Torque calcuated to induce 620 M Pa
in the screw threads.

Dimensions

Recommended Seating Torque

Nom

 

A

B

F

H

T

W

 

Cadmium

Thread

 

 

 

 

 

Min

 

Plain

Plated

Size

Pitch

Max

Max

Min

Max

(note 6)

Nom

N - m

inch-lbs

N - m

inch-lbs

M4

0.7

7

4

1.48

2.8

14

3

4.5

40

4.0

35

M5

0.8

8.5

5

1.85

3.5

16

4

8.5

75

8.0

70

M6

1.0

10

6

2.09

4.0

18

5

14.5

130

13.5

120

M8

1.25

13

8

2.48

5.0

22

6

35

310

33

290

M10

1.5

16

10

3.36

6.5

26

8

70

620

65

575

M12

1.75

18

12

4.26

8.0

30

10

120

1060

110

975

M16

2.0

24

16

4.76

10.0

38

12

300

2650

280

2475

M20

2.5

30

20

6.07

12.5

46

14

575

5100

540

4775