产品描述
| 螺纹 | 货号 |
| NS 7/16 | 90594 |
| NS 10/19 | 90694 |
| NS 12/21 | 90794 |
| NS 14/23 | 90894 |
| NS 19/26 | 90994 |
| NS 24/29 | 91094 |
| NS 29/32 | 91194 |
| NS 34/35 | 91294 |
| NS 45/40 | 91394 |
| NS 60/46 | 91494 |
