
| Overall | length of | standard typ | e and long | type, and | correspo | nding Materials Length of | Max. thd | App Ct | licable cl i | ass | TYPE |
| ℓ | ℓn | ℓs | Ds | K | ℓk | standard type: | rea length | u | ng | Forming | |
| (reference) | L | (P class) | (ISO class) | ||||||||
| 12 | 27.4 | (48) | 6 | - | - | 80 | 12 | P6 | ISO3 | G9 | n |
| 15 | 30 | (54) | 8 | - | - | 90 | 15 | P6 | ISO3 | G8 | n |
| 18 | 35.9 | (57) | 10 | - | - | 100 | 18 | P6 | ISO3 | G8 | n |
| 21 | 39.9 | (63) | 12 | - | - | 110 | 21 | P7 | ISO3 | G10 | n |