Zinc Plated Wing Nuts

Product :Wing nuts Standard :DIN315 Specification: M4-M24 Material :Carbon steel4grade,6grade,8grade,10grade,12grade;              Stainless steel202,304,316,316L;Brass. Surface :treat Plain,Black oxide,Blue white zinc,Yellow zinc,copper plating,Gold plating. Productive: process Rod→Acid cleaning→Draw wire→Anneal→molding→Rolling thread→Heat treatment→Surface treat→Packing. 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 Delivery time: 3-30days Payment terms :T/T 30% deposit,the balance 70% when we finish all of goods;L/C at sight,Western Union Certific…

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