| Specifiche principali dell'estremità aperta facile rotonda | ||
| Tipo | Diametro nominale/mm | Tolleranza/mm | 
| Y200 | 49.5 | ±0.1 | 
| Y202 | 52.3 | ±0.1 | 
| Y209 | 62.5 | ±0.1 | 
| Y211 | 65.3 | ±0.1 | 
| Y214 | 69.9 | ±0.1 | 
| Y300 | 72.9 | ±0.15 | 
| Y303 | 77.6 | ±0.15 | 
| Y305 | 80.3 | ±0.15 | 
| Y307 | 83.3 | ±0.15 | 
| Y309 | 86.7 | ±0.15 | 
| Y315 | 95.5 | ±0.15 | 
| Y401 | 98.9 | ±0.2 | 
| Y403 | 102.4 | ±0.2 | 
| Y404 | 105.1 | ±0.2 | 
| Y502 | 126.5 | ±0.2 | 
| Y603 | 153.4 | ±0.2 | 
| Caratteristiche principali dell'estremità a apertura facilitata a forma speciale | |||
| 
 Tipo  | 
Diametro nominale | ||
| Diametro lungo/mm | Diametro corto/mm | Tolleranza/mm | |
| F304 | 96.8 | 50.8 | ±0.15 | 
| F311 | 104 | 60 | ±0.15 | 
| F312 | 140.3 | 76.3 | ±0.15 | 
| F313 | 140.1 | 110 | ±0.15 | 
| F316 | 104.8 | 75.8 | ±0.15 | 
| T501 | 145.4 | 70.8 | ±0.15 | 
| T601 | 159.8 | 106.8 | ±0.15 | 
| T604 | 125.7 | 83 | ±0.15 | 
| M812 | 120 | 85 | ±0.15 | 
| C901 | 147.4 | 80.4 | ±0.15 |