These fasteners are commonly used in lifting equipment.
Both lifting eye nuts and bolts in A4 offer minimum breaking loads ranging from 6.2kN for the M6 thread to 188.3kN for the M30 thread.
Another version of the lifting eye bolts, also in 316/A4 stainless steel, provide a long thread from 40-200mm, depending on thread diameters (which range from to M6 to M16). Breaking load ranges from 14.5kN to 57.9kN.