First grade quality in world market . Alloy steel. 12.9 grade . High strength. Had been exported to many countires.
OEM number as follow :
| NO. |
OEM PN# |
| 1 |
SM9/16*1 14/25 |
| 2 |
9W9265+8H5724 |
| 3 |
3S8182+7H3607 |
| 4 |
6V0937+7H3607 |
| 5 |
1171617+7H3608 |
| 6 |
SM3/4*2 |
| 7 |
5P4130+7H3608 |
| 8 |
SM3/4*2 7/25 |
| 9 |
3S0336+7H3608 |
| 10 |
5P7665+7H3608 |
| 11 |
SM3/4*2 16/25 |
| 12 |
9S2727+7H3609 |
| 14 |
9W8328+7H3609 |
| 15 |
7T1248+7H3609 |
| 13 |
5P0233+2M5656 |
| 16 |
5P5422+2M5656 |
| 17 |
09203-11860+01803-11824 |
| 18 |
SM22070 |
| 19 |
SM22070 |
| 20 |
154-27-12320+01803-32228 |
| 21 |
SM24049 |
| 22 |
SM24068 |
| 23 |
155-27-12181+01803-02228 |
| 24 |
SM24079 |
| 25 |
178-27-11150+01803-02430 |
| 26 |
195-27-12632+01803-02430 |
| 27 |
195-27-31641+195-27-31871 |
| 28 |
SM27095 |