SKM



Size

 

part no.

Size

d (mm)

   D (mm)

h (mm)

H (mm)

Kg/

1000pcs

M

Nomin.

Nom

Min

Max

Nomin.

Min

Max

Nomin.

Min

Max

CNBLWSKM04

4

4.1

4.58

9.8

10.2

1

0.96

1.04

1.45

1.25

1.65

0.53

CNBLWSKM05

5

5.1

5.58

11.8

12.2

1.2

1.16

1.24

1.75

1.55

1.95

0.9

CNBLWSKM06

6

6.1

6.58

13.77

14.2

1.4

1.36

1.44

2.15

1.95

2.35

1.4

CNBLWSKM08

8

8.2

8.78

17.68

18.2

1.4

1.36

1.44

2.7

2.45

2.95

2.3

CNBLWSKM10

10

10.2

10.78

21.73

22.25

1.6

1.55

1.65

3.1

2.85

3.35

3.9

CNBLWSKM12

12

12.4

12.98

26.73

27.25

1.8

1.75

1.85

3.65

3.4

3.9

6.5

CNBLWSKM14

14

14.4

14.98

29.63

30.25

2.4

2.34

2.46

3.9

3.65

4.15

10.5

CNBLWSKM16

16

16.4

16.98

31.88

32.5

2.5

2.44

2.56

4.6

4.3

4.9

12

CNBLWSKM18

18

18.5

19.25

34.38

35

3

2.93

3.07

4.8

4.5

5.1

16.3

CNBLWSKM20

20

21

21.75

39.38

40

3

2.93

3.07

5

4.7

5.3

22

CNBLWSKM22

22

23

23.75

44.38

45

3.5

3.43

3.57

5.6

5.2

6

33

CNBLWSKM24

24

25

25.75

49.38

50

3.5

3.43

3.57

5.8

5.4

6.2

41

CNBLWSKM27

27

28

28.85

59.25

60

4

3.92

4.08

6.6

6.1

7.1

70

CNBLWSKM30

30

31

31.85

69.25

70

4.5

4.42

4.58

7.6

7.1

8.1

109

 

Materials

65MN
S60C
SK5
60Si2Mn
51CrV4

Finish

Zinc Plated
Black
Dacromet
Geomet

Appliction

Used in many industries: energy, transportation, marine, mining ,construction and bridge construction, manufacturing, processing, shipbuilding, forestry and agriculture, heavy vehicles and military.

Advantages

The trapezoidal cross section makes the locking force act on the outer diameter to ensure the maximum resistance to loosening.
Tooth shape design effectively prevents vibration loosening.
Closed circular design produces high pre-tightening force and excellent friction connection.
High load concentricity can avoid bolt bending when tightening.
Smooth tooth edge, avoid scratching bolt surface when locking.

 

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