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            Products Grade: Q235NH、G295NH、XG295NH
          
    
          
    
            Specifications: 5.5-38mm
          
    
          
    
            Applied Standard:  GB/T4172 or agreement
          
    
          
    
            Characteristics: Mainly used to produce fasteners of class 4.8-6.8

          
    
          
    
            Applications: Common fastener
           
    
      
        
    
      
    

    Use of Products: These product have characteristics of uniform chemical composition, low percentage of harmful elements, high purity, tight tolerance, good surface quality. The products can be used without heat treatment and surface treatment, and will be excellent weather-resistant performance.