Scope of application for DIN 444 eye bolts
This regulatory document specifies the technical parameters for eye bolts with metric threads in the nominal diameter range from M5 to M39. The standard covers requirements for fasteners of accuracy classes A, B, and C, ensuring the ability to select the optimal solution for engineering tasks with various tolerances.
Technical specifications and supply regulations
| Manufacturing material | Structural steel |
| General requirements | In accordance with ISO 8992 |
| Thread accuracy class | Class A: 6g; Class B: 6g; Class C: 8g (according to ISO 262, ISO 965-1) |
| Strength class | 4.6; 5.6. Supply of products of other strength classes and steel grades is carried out upon individual request. Execution standard: EN ISO 898-1 |
| Product classes | Form and dimension tolerances for classes A, B, and C are regulated by EN ISO 4759-1 |
| Surface characteristics | Roughness complies with DIN 267-2. Requirements for protective electroplating according to EN ISO 4042, for hot-dip galvanizing — EN ISO 10684 |
| Surface condition | Permissible defects and surface quality are defined by the EN 26157-1 standard |
| Acceptance testing | Conducted in strict accordance with the EN ISO 3269 specification |
EV Group China provides supplies of eye bolts that comply with all specified international standards. We guarantee strict quality control at every stage of production, which is confirmed by acceptance testing according to EN ISO 3269.