| N | 8 | mm | |
| O1 (DIN 6912-8.8) | M4x20 | ||
| Maschinenschutz | 5,80 | ||
| Industriekomponente | 40 | mm | |
| Drehmoment (For general requirements.) | 120 | mm | |
| U1 (DIN 7980, discontinued. Spring washer commercially available.) | 4 | mm |
| e | 29 | ||
| H (Measured with gauging shaft, nominal dimension d and length about 50 mm.) | 22 mm ±0.01 | ||
| Ventil | 50 | mm | |
| O2 (DIN6912-8.8, only applicable for bolting with steel or cast iron threads.) | M4x12 | ||
| Drehmoment | 4,50 | mm | |
| Ventil | 5 | mm |
| Maschinenschutz | 1,75 | kg |