What is ISO 3266- Forged steel eyebolts grade 4 for general lifting purposes about?  
ISO 3266 specifies the general characteristics, performance, and critical dimensions necessary for interchangeability and compatibility with other components, of forged steel eyebolts grade 4 for general lifting purposes. These eyebolts can be used for axial and inclined loading ISO 3266 is applicable to eyebolts grade 4 for use in the temperature range of −20 ºC to 200 ºC.
Note 1: ISO 3266 is not applicable to eyebolts that are not forged in one piece.
Note 2: ISO 3266 is not applicable to forged steel eyebolts grade 4 manufactured before the date of its publication as an International Standard.
Who is ISO 3266- Forged steel eyebolts grade 4 for general lifting purposes for? 
ISO 3266 on forged steel eyebolts grade 4 for general lifting purposes is useful for: 
- Crane manufacturers
- Crane operators
- Safety regulatory bodies
- Service operators
Why should you use ISO 3266- Forged steel eyebolts grade 4 for general lifting purposes?  
Although cranes are designed to lift and move heavy objects safely, they pose a number of potential hazards. It’s important for the manufacturers, designers, and operators to assess all the risks associated with it.
ISO 3266 specifies the dimensions of the eyes of eyebolts permitting direct connection with shackles of the same working load limit as those defined in ISO 2415. These dimensions also allow designs with a larger eye which can permit direct connection with sling hooks of similar working load limit.
ISO 3266 is a type-C standard as stated in ISO 12100. The equipment concerned as well as the extent to which hazards, hazardous situations, and hazardous events are covered is indicated in the scope of ISO 3266. 
