Hex Flange and Nut Fastener DIN 6921 Carbon Steel Washer Grade 4.8 6.8 8.8 10.9 12.9 Black Oxide Flange Bolt
Hebei Chengyi Engineering Materials Co., Ltd.- Material：Carbon Steel
- Type：Hexagon Head
- Connection：Common Bolt
- Head Style：Hexagonal
- Standard：DIN
- Grade：8.8
Base Info
- Model NO.：Flange Bolt
- Application：Machinery, Chemical Industry, Environmental, Building
- Finish：Polishing
- Model：DIN931 DIN933 DIN934
- Sample：Provide
- OEM：OEM Welcome
- ODM：ODM Welcome
- Features：Good Anti-Corrosion Ability
- Drive Type：Hexgon Head
- Surface Treatment：Black Oxide
- Transport Package：Box , Bulk Packing , Pallet
- Specification：M4-M30
- Trademark：Chengyi
- Origin：Hebei, China
- HS Code：7318159090
- Production Capacity：600 Tons , Month
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