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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.

        
                    
        
                    
                
        
            
        

            
        
                
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