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Schnorr Load Washers

Have been specially developed for high strength bolts of grades 8.8 to 12.9.

high stress load washers 'hs'

This safety washer is in principle a HDS washer with a smaller outer diameter than those in DIN 6796. A notable feature of these load washers is the slightly curved form which provides a progressively increasing characteristic curve. Despite the smaller outside diameter dimensions this make is possible to achieve the same load as the HDS washers as per DIN 6796. These washers are primarily used when the space available is insufficient for standardised load washers.

Explanations of the table:

Technical requirements:

According to DIN 267, Part 26

Material grades:

Spring steel according to DIN EN 10132-4, other materials on request

Available surfaces:

Phosphated and oiled; mechanically galvanized; other materials on request.

Article No:

Applies to the normal version made of spring steel

h max:

Maximum dimension in delivery condition

h min:

Minimum dimension after setting test according to DIN 267, Part 26

Contact force:

contact forces for the setting test according to DIN 267, Part 26

Minimum residual

spring load:

Spring load, which rests after load with the contact pressure according to DIN 267, Part 2 and subsequent relieving of 100mm

Dimension table for safety washer type ‘HS’ material C60 S (1.211)

Article

No./

Order

Ref.

Finish

Nominal Size

Ordering Dimensions

Contact

Force

Minimum

residual

spring load

mm

d1

mm

d2

mm

s

mm

hmax

mm

hmin

mm

F

N

F

N

416320

431510

Phosphated & oiled

Zn12M+passivation

6

6.4

12

1.5

1.64

1.90

10200

4200

416520

431520

Phosphated & oiled

Zn12M+passivation

8

8.4

17

2.0

2.10

2.55

18600

7700

423220

431530

Phosphated & oiled

Zn12M+passivation

10

10.5

21

2.5

2.75

3.15

29600

12400

426400

431540

Phosphated & oiled

Zn12M+passivation

12

13.0

24

3.0

3.27

3.75

43000

18000

429320

431550

Phosphated & oiled

Zn12M+passivation

14

15.0

28

3.5

3.80

4.35

59100

25000

430900

431560

Phosphated & oiled

Zn12M+passivation

16

17.0

30

4.0

4.31

4.95

80900

34000

433750

431570

Phosphated & oiled

Zn12M+passivation

18

19.0

33

4.5

4.80

5.50

102000

57000

435320

431580

Phosphated & oiled

Zn12M+passivation

20

21.0

36

5.0

5.30

5.95

130000

73000

436620

431590

Phosphated & oiled

Zn12M+passivation

22

23.0

40

5.5

5.90

6.70

162000

91000

439150

431600

Phosphated & oiled

Zn12M+passivation

24

25.0

45

6.0

6.45

7.30

188000

122000

440100

431610

Phosphated & oiled

Zn12M+passivation

27

28.0

50

6.5

7.00

8.00

246000

161000

442650

431620

Phosphated & oiled

Zn12M+passivation

30

31.0

58

7.0

7.65

8.90

300000

196000

 Load washers according to DIN 6796 in different finish and material are available on request.

 

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