Back to Socket Head Cap Screw Menu
Socket Head Cap Screws
DIN 912
GRADE 12.9 ISO 898/1
THREADS ISO 261 & 262
(COARSE SERIES ONLY)
STANDARD HEAD HEIGHT

Dimensions

Mechanical

Properties

Application Data

Thread

 

A

B

H

W

F

UTS

Tensile Strength

Recommended Seating Torque**

Size

 

 

 

 

 

 

Min.

Min.

Plain

Cadmium Plated

Nom

Pitch

Max.

Max.

Max.

Nom.

Min.

MPa

kN

lbs.

N -m

inch-lbs.

N -m

inch-lbs.

M1.6*

0.35

3.0

1.6

1.6

1.5

0.80

1240

1.57

354

0.32

2.8

0.25

2.2

M2*

0.40

3.8

2.0

2.0

1.5

1.0

1240

2.57

577

0.65

5.7

0.5

4.5

M2.5*

0.45

4.5

2.5

2.5

2.0

1.25

1240

4.20

945

1.3

11

1.0

8.0

M3*

0.5

5.5

3.0

3.0

2.5

1.5

1240

6.24

1400

2.5

22

2.0

17

M4*

0.7

7.0

4.0

4.0

3.0

2.0

1240

10.9

2450

5.5

50

4.0

37

M5*

0.8

8.5

5.0

5.0

4.0

2.5

1240

17.6

3960

11

100

8.0

70

M6*

1.0

10.0

6.0

6.0

5.0

3.0

1240

24.9

5600

19

170

14

130

M8*

1.25

13.0

8.0

8.0

6.0

4.0

1240

45.4

10200

45

410

35

210

M10*

1.5

16.0

10.0

10.0

8.0

5.0

1240

71.9

16200

90

815

70

620

M12*

1.75

18.0

12.0

12.0

10.0

6.0

1240

105

23500

160

1415

120

1060

(M14)

2.0

21.0

14.0

14.0

12.0

7.0

1240

143

32100

255

2250

195

1725

M16*

2.0

24.0

16.0

16.0

14.0

8.0

1240

195

43800

385

3425

300

2650

M20*

2.5

30.0

20.0

20.0

17.0

10.0

1240

304

68300

750

6640

600

5300

M24*

3.0

36.0

24.0

24.0

19.0

12.0

1240

438

98400

1290

11400

1020

9000

M30

3.5

45.0

30.0

30.0

22.0

15.0

1240

696

156000

2585

22900

2050

18400

M36

4.0

54.0

36.0

36.0

27.0

18.0

1240

1010

228000

4520

40000

3615

32000

M42

4.5

63.0

42.0

42.0

32.0

21.0

1240

1390

312000

7200

63700

5760

51000

M48

5.0

72.0

48.0

48.0

36.0

24.0

1240

1820

410000

10400

92000

8300

73500