China Wholesale Fastener Hardware Black Heavy Hex Bolt ASTM A325 Steel Structural Bolt ASTM A325 Bolts
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.：DIN 931 933 934
- 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
- Size：All Size
- Usage：Building Industry Machinery etc.
- Head Mark：Customizable
- Other Materials：According to Customer′s Requirement
- Quality：IATF16949
- Delivery Time：Stock , 5-30days
- Thread：Unc,Unf,Metric Thread
- MOQ：1000PCS
- 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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