高级铬钒钢，经过热处理硬化
DIN 3126，ISO 1173，C 4
尤其适用于小型螺丝
| 订货号 |  |
 |
 |
 |
 |
| 40654 | 2.0 | 30 | 3 | 10 | |
| 40655 | 2.5 | 30 | 3 | 10 | |
| 40656 | 3.0 | 30 | 3 | 10 | |
| 40657 | 3.5 | 30 | 3 | 10 | |
| 40658 | 4.0 | 30 | 3 | 10 | |
| 40659 | 4.5 | 30 | 4 | 10 | |
| 40660 | 5.0 | 30 | 4 | 10 | |
| 40661 | 5.5 | 30 | 4 | 10 |
