BS 4439
BS 4439 (一般用途螺纹螺柱 - 公制系列)· B.S. (英国) · 7 种材料
| 名称 | 材料组别 | |
|---|---|---|
| Grade 10.9 | 结构钢 | chevron_right |
| Grade 12.9 | 结构钢 | chevron_right |
| Grade 14.9 | 结构钢 | chevron_right |
| Grade 4.8 | 结构钢 | chevron_right |
| Grade 5.8 | 结构钢 | chevron_right |
| Grade 6.8 | 结构钢 | chevron_right |
| Grade 8.8 | 结构钢 | chevron_right |