However, obtaining the is not as straightforward as Googling a free file. Let’s explore your options.

This standard is widely used in mechanical engineering, automotive, and construction applications where a larger bearing surface is required without using a separate washer.

The DIN 6330 PDF document can be obtained through various sources:

| Standard | Description | Key Difference | |----------|-------------|----------------| | | Hex nut with collar (flange) | Collar is smooth and flat; nut is one piece. | | DIN 6923 | Hexagon flange nut with serrated flange | Serrations on bearing face for locking. | | DIN 934 | Regular hexagon nut (no flange) | No collar; requires a separate washer. | | ISO 4161 | Hexagon flange nuts (metric) | International equivalent; slight dimensional variations. |

: One end is flat, and the other has a spherical radius (

Share it