SS304 Stainless Steel Bolts
| Product | Hex bolt |
| Standard | DIN933,ISO4017,GB5783 |
| Specification | Diameter: M3-M60,Length: 6mm-500mm. |
| Material | Carbon steel4.8grade,8.8grade,10.9grade,12.9grade;Stainless steel202,304,316,316L;Brass. |
| Productive process | Wire rod→Anneal→Acid cleaning→Draw wire→ |
| molding and Rolling thread→heat treatment→Surface treat→Packing | |
| Surface treat | Plain,Black oxide,Blue white zinc,Yellow zinc,Hot dip galvanized,copper plating,Gold plating. |
| Quality Control | Raw material inspect→process monitoring→Product test→Packaging check. |
| Certification | ISO9001:2008 CE cert ROHS |
| Packaging | Product bulk in plastic bag→Carton box→Wood pallet |
| Application | Wind tower,Nuclear power,Railway,Automotive industry,Construction,Electronic industry |
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