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Friday, January 18, 2008

Material Lifting Equipment for the 21st Century 

Northamptonshire - UK

Tel: +44 (0) 1604 751146

[Home] [Products] [Eyebolts] [Collared eyebolts]

“ Dedicated to lightening your load”

COLLARED EYEBOLTS

Collar eyebolt dims

Collared eyebolts are used when lifting on two or more points using a chain sling for example. When making your selection it is important that you remember that a reduction in the Safe Working Load must be factored in to take account of the slinging angle. The Collared eyebolt has a relatively small eye diameter and is usually specified with shackles.

Reduction Factors

When using Collared eyebolts at an inclined angle a reduction factor must be used to ensure that the eyebolts are not overloaded.

See table below

Please contact our sales team on 01604 751146 for assistance with your specific application
.

Metric Collared eyebolts to BS 4278 table 1

SWL [t]

A
 [mm]

B
[mm]

D
[mm]

E
[mm]

F
 [mm]

G
[mm]

H
[mm]

0.10

6

22

7

15

9

20

18

0.15

8

22

7

15

9

20

18

0.25

10

22

7

15

9

20

18

0.40

12

22

7

15

9

20

18

0.50

14

29

10

20

12

26

23

0.80

16

29

10

20

12

26

23

1.00

18

36

12

24

14

32

28

1.60

20

40

14

27

16

36

32

1.60

22

45

14

30

17

40

35

2.50

24

52

17

35

21

46

40

4.00

30

65

22

44

26

58

51

4.00

33

72

24

48

28

64

56

6.30

36

81

27

54

32

72

63

6.30

39

86

29

57

33

-

67

8.00

42

101

34

68

40

-

79

8.00

45

101

34

68

40

-

79

10.00

48

101

34

68

40

-

79

12.50

52

115

38

76

46

-

89

16.00

56

128

43

86

51

-

100

20.00

64

144

48

96

58

-

112

Handy tip

When storing eyebolts in a tackle box or such like, screw a full nut on to prevent damage to the threads.

Whitworth Collared eyebolts to BS 4278 table 4

SWL [t]

A [in]

B
[mm]

D
[mm]

E
[mm]

F
[mm]

G
[mm]

H
[mm]

0.10

1/4

22

7

15

9

20

18

0.15

5/16

22

7

15

9

20

18

0.25

3/8

22

7

15

9

20

18

0.50

1/2

29

10

20

12

26

23

0.90

5/8

36

12

24

14

32

28

1.40

3/4

45

14

30

17

40

35

2.00

7/8

52

17

35

21

46

40

2.75

1

58

20

39

23

52

46

3.50

1.1/8

65

22

44

26

58

51

4.50

1.1/4

72

24

48

29

64

56

6.50

1.1/2

81

27

57

33

-

67

9.00

1.3/4

101

34

68

40

-

79

12.00

2

115

38

76

46

-

89

Maximum recommended SWL for BS 4278 Collared eyebolts (Metric and Imperial) when used in pairs for inclined working conditions

SWL
Single Eyebolt

0>30
degrees (Pair)

30>60
degrees (Pair)

60>90
degrees (Pair)

0.25t

0.32t

0.20t

0.13t

0.40t

0.50t

0.32t

0.20t

0.50t

0.63t

0.40t

0.25t

0.80t

1.00t

0.64t

0.40t

0.90t

1.13t

0.72t

0.45t

1.00t

1.30t

0.80t

0.50t

1.25t

1.60t

1.00t

0.63t

1.40t

1.76t

1.12t

070t

1.60t

2.00t

1.25t

0.80t

2.00t

2.50t

1.60t

1.00t

2.50t

3.20t

2.00t

1.25t

2.75t

3.47t

2.20t

1.38t

3.20t

4.00t

2.50t

1.60t

3.50t

4.41t

2.80t

1.75t

4.00t

5.00t

3.20t

2.00t

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