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QINGDAO LG RIGGING CO.,LTD.
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Bow Nuts B.S. 3974 Metric Coarse & BSW Thread

Bow Nuts B.S. 3974 Metric Coarse & BSW Thread, also known as bownuts, conform to BS 3974.

BS 3974 lifting Bow Nuts, commonly referred to in the lifting industry as lifting eyes, made from high tensile, rust resistant steel, allow the safe handling, manipulation and transport of heavy items in and around the workplace.

Suitable for straight lifting only.

Self colour steel bow nuts are made from high tensile, rust resistant steel. Suitable for straight lifting only, bow nuts can nevertheless be used for a variety of different applications including both loading and restraint.

Our bow nuts are available in sizes M8, M10, M12, M16, M18, M20, M22, M24, M30, M36 and M42.

SWL information is forged on the side of each piece for guidance.

Self Colour Steel Bow Nuts to B.S 3974 Part 1. SWL Stated is for Vertical Lift Only.

Trawling Gear
Shackles
Boat Fittings

Information of Bow Nuts B.S. 3974 Metric Coarse & BSW Thread

Technical Notes

Generally to B.S. 3974 – Part 1 – 1974

Material

High Tensile Steel

Processing

Drop Forged

Finish

Self colour, Electro-Galvanised upon request

Size

M8, M10, M12, M16, M18, M20, M22, M24, M30, M36 and M42

Tips

Alternative thread forms available.


Specifications of Bow Nuts B.S. 3974 Metric Coarse & BSW Thread

Specifications of Bow Nuts B.S. 3974 Metric Coarse & BSW Thread


Part No.

Thread Size

B (min) (mm)

C (mm)

F (min) (mm)

K (mm)

M (mm)

D (mm)

SWL

Weight Each (kg)

LGBS3974EN8

M8

6

32

12

16

64

25

230kg

0.2

LGBS3974EN10

M10

7

32

14

16

64

25

360kg

0.2

LGBS3974EN12

M12

9

38

16

18

73

30

530kg

0.3

LGBS3974EN14

M14

9

38

16

18

73

30

600kg

0.3

LGBS3974EN16

M16

12

38

20

18

73

30

1010kg

0.3

LGBS3974EN18

M18

14

45

24

25

102

40

1000kg

0.6

LGBS3974EN20

M20

14

45

24

25

102

40

1580kg

0.6

LGBS3974EN22

M22

14

45

24

25

102

40

1600kg

0.6

LGBS3974EN24

M24

17

50

28

28

124

50

2280kg

0.9

LGBS3974EN30

M30

21

70

34

38

146

75

3650kg

2.4

LGBS3974EN36

M36

26

70

40

38

146

75

5340kg

2.4

LGBS3974EN42

M42

30

80

46

45

180

100

7400kg

4


Warning:

For safety NEVER exceed the S.W.L (Safe Working Load)
Ensure that the eyebolt and threads are compatible and strong enough for the load.
Never use tommy bars, grips or wrenches to tighten eyebolts.
Never use a single eyebolt to lift a load that is free to rotate.


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