F436 M


Washers provide a smooth bearing surface and are used under the head of a bolt and/or a nut. The chemical, mechanical, and dimensional requirements for hardened washers are covered under the ASTM specification F436. These washers are through hardened or carburized to add strength, but are physically smaller than They are the recommended washer for any fastener other than a low carbon steel bolt..


Size

 

part no.

Size

d (mm)

   D (mm)

   h (mm)

n

M

Min

Max

Min

Max

Min

Max

CNBW436M012

12

14

14.4

25.7

27

3.1

4.6

10.5

CNBW436M014

14

16

16.4

28.7

30

3.1

4.6

12.2

CNBW436M016

16

18

18.4

32.4

34

3.1

4.6

14

CNBW436M020

20

22

22.5

40.4

42

3.1

4.6

17.5

CNBW436M022

22

24

24.5

42.4

44

3.4

4.6

19.2

CNBW436M024

24

26

26.5

48.4

50

3.4

4.6

21

CNBW436M027

27

30

30.5

54.1

56

3.4

4.6

23.6

CNBW436M030

30

33

33.6

58.1

60

3.4

4.6

26.2

CNBW436M036

36

39

39.6

70.1

72

3.4

4.6

31.5

CNBW436M042

42

45

45.6

81.8

84

4.6

7.2

36.7

CNBW436M048

48

52

52.7

92.8

95

4.6

7.2

42

CNBW436M056

56

62

62.7

104.8

107

6.1

8.7

49

CNBW436M064

64

70

70.7

115.8

118

6.1

8.7

56

CNBW436M072

72

78

78.7

127.5

130

6.1

8.7

63

CNBW436M080

80

86

86.9

139.5

142

6.1

8.7

70

CNBW436M090

90

96

96.9

156.5

159

6.1

8.7

78.7

CNBW436M100

100

107

107.9

173.5

176

6.1

8.7

87.5

 

Materials

 45#
 50#
 40Cr

Finish

Zinc Plated
Black
Hot dip galvanized
Mechanical galvanized

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 highest security performance
To prevent the vibration and dynamic load caused by loosening
Easy to install and remove
Locking effect is not affected by lubrication
Regardless of the level of the pre tightening force has a good locking effect
Can control the level of pre tightening force
The same temperature characteristics with the standard bolt / nut
Can be used repeatedly

 

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