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- Imperial 8UN Thread Oval Link Eye Bolt Based on BS4278

Imperial 8UN Thread Oval Link Eye Bolt Based on BS4278
Top quality UK manufactured high tensile collared eye bolts with oval link, based on BS4278 Table 5 1984 Appendix 'A' with Course Thread 1-1/4" to 1-3/4". 2.5 to 6.3 tonne lifting capacity.
ITOL-3970
Manufacturing Standard: Based on BS4278


Our 8UN thread oval link eyebolts are not detailed within BS4278, however they are manufactured based upon BS4278 5/A 1984.
Dimensions & Specifications
Thread Size | SWL (tonne) | B (mm) | F (mm) | G (mm) | H (mm) | d (mm) | Bd (mm) | Ld (mm) | Weight (kg) |
1-1/4 | 2.5 | 60 | 18 | 30 | 41 | 19 | 37 | 80 | 1.5 |
1-1/2 | 4.0 | 75 | 23 | 38 | 52 | 24 | 46 | 102 | 3 |
1-3/4 | 6.3 | 94 | 29 | 47 | 65 | 30 | 58 | 126 | 5.5 |

May be loaded in any direction up to the marked SWL provided that the angle of the load to the axis of the thread does not exceed 15°. They may also be used for non axial loading at inclinations greater than 15°provided the SWL is reduced as follows:
Maximum load lifted by a pair of eyebolts when angle between sling legs is: | |||
Size | 0 > 30° | 30° > 60° | 60° > 90° |
2.5 tonne | 5 tonne | 4 tonnes | 3.2 tonne |
4 tonne | 8 tonne | 6.3 tonnes | 5 tonne |
6.3 tonne | 12.6 tonne | 10 tonnes | 8 tonne |
Our 8UN thread oval link eyebolts are not detailed within BS4278, however they are manufactured based upon BS4278 5/A 1984.
Dimensions & Specifications
Thread Size | SWL (tonne) | B (mm) | F (mm) | G (mm) | H (mm) | d (mm) | Bd (mm) | Ld (mm) | Weight (kg) |
1-1/4 | 2.5 | 60 | 18 | 30 | 41 | 19 | 37 | 80 | 1.5 |
1-1/2 | 4.0 | 75 | 23 | 38 | 52 | 24 | 46 | 102 | 3 |
1-3/4 | 6.3 | 94 | 29 | 47 | 65 | 30 | 58 | 126 | 5.5 |

May be loaded in any direction up to the marked SWL provided that the angle of the load to the axis of the thread does not exceed 15°. They may also be used for non axial loading at inclinations greater than 15°provided the SWL is reduced as follows:
Maximum load lifted by a pair of eyebolts when angle between sling legs is: | |||
Size | 0 > 30° | 30° > 60° | 60° > 90° |
2.5 tonne | 5 tonne | 4 tonnes | 3.2 tonne |
4 tonne | 8 tonne | 6.3 tonnes | 5 tonne |
6.3 tonne | 12.6 tonne | 10 tonnes | 8 tonne |
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