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          Product features
          
                    
          1. Material: 38CrMoAlA
          Nitriding treatment: Surface hardness: HV≥900
          Nitriding depth: 0.5-0.8mm

          2, material: special stainless steel,
          Quenched, hard HRC55-58, suitable for all kinds of transparent and corrosive materials, improve the life of screw.

          3, material: surface tungsten carbide ultra sound overall spray welding, improve the wear resistance of screw.


          
                
          
                
          
            
          

            
          
                
          
                    
          Screw head - Screw head
          
                
          
                
                
          
                
          
                    
          
                        
          1. Material: 38CrMoAlA
          Nitriding treatment: Surface hardness: HV≥900
          Nitriding depth: 0.5-0.8mm

          2, material: special stainless steel,
          Quenched, hard HRC55-58, suitable for all kinds of transparent and corrosive materials, improve the life of screw.

          3, material: surface tungsten carbide ultra sound overall spray welding, improve the wear resistance of screw.

          
                    
          
                    
                
          
            
          

            
          
                
          Series of other products
          
                
            
          

        
          

    
          

    




    
    



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