ss304 stainless steel bolts

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  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...


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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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