DIN 6900 Standard Assembly Types
| Type | Base Screw (Ref.) | Washer Combination | Washer Standard | Functional Description |
|---|---|---|---|---|
| Type A | DIN 7985 / DIN 933 | Screw + Plain Washer | DIN 125 / 433 | Increases load-bearing surface and protects the workpiece. |
| Type B | DIN 7985 / DIN 912 | Screw + Spring Lock Washer | DIN 127 | Basic anti-loosening by maintaining constant spring tension. |
| Type C | DIN 912 / DIN 933 | Screw + Conical Spring Washer | DIN 6796 | Heavy-duty anti-loosening for high-load bolted connections. |
| Type D | DIN 7985 / DIN 965 | Screw + External Tooth Washer | DIN 6797-A | High vibration resistance through tooth-bite into the surface. |
| Type E | DIN 7985 / DIN 966 | Screw + Internal Tooth Washer | DIN 6797-J | Used for smaller head screws; provides neat finish and anti-vibration. |
| Type G | DIN 7985 / DIN 933 | Screw + Plain + Spring Washer | DIN 125 + 127 | Most Common (Triple) ; combines surface protection and anti-loosening. |
| Type H | DIN 7985 / DIN 912 | Screw + Plain + Tooth Washer | DIN 125 + 6798 | Enhanced vibration resistance while maintaining surface integrity. |
EternalFast provides all DIN 6900 assembly types, especially Type G triple assemblies , widely used in automotive and electronic production lines to improve assembly efficiency.