- High strength bolts and nuts din931
- 2016-12-18 14:35
- Description:.desc-content { min-height: 250px }High strength bolts and nuts din9311.standard:ASTM2.Surface treatment: Bl
- bolt nut
- 2016-12-18 13:52
- Description:.desc-content { min-height: 250px }bolt nut1.Material: 40Cr2.Grade:8.8s/10.9s3.Surface treatment: Blackboltn