| 
             Type  | 
            
             Cross recessed head screws  | 
        
| 
             Thread type  | 
            
             M  | 
        
| 
             Thread size  | 
            
             M3, M4, M5, M6, M8, M10  | 
        
| 
             Body length  | 
            
             6mm, 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 60mm, 70mm, 80mm  | 
        
| 
             Material  | 
            
             Carbon steel  | 
        
| 
             Surface treatment  | 
            
             Black oxide  | 
        
| 
             Color  | 
            
             Black  | 
        
| 
             Compatible devices  | 
            
             Flat washers, Hexagon nuts, Spring washers  | 
        
| 
             Compatible product materials  | 
            
             Carbon steel  | 
        
| 
             Compatible flat washer models  | 
            
             FW-BO-M3, FW-BO-M4, FW-BO-M5, FW-BO-M6, FW-BO-M8, FW-BO-M10  | 
        
| 
             Compatible spring washer models  | 
            
             SW-BO-M3, SW-BO-M4, SW-BO-M5, SW-BO-M6, SW-BO-M8, SW-BO-M10  | 
        
| 
             Compatible nut models  | 
            
             HN-BO-M3, HN-BO-M4, HN-BO-M5, HN-BO-M6, HN-BO-M8, HN-BO-M10  | 
        
| 
             Direction of thread  | 
            
             Right-hand  | 
        
| 
             Threading  | 
            
             Fully threaded  | 
        
| 
             Thread length  | 
            
             4.35mm, 6.35mm, 8.35mm, 10.35mm, 14.35mm, 16.35mm, 18.35mm, 23.35mm, 28.35mm, 78.35mm, 3.8mm, 5.8mm, 7.8mm, 9.8mm, 13.8mm, 15.8mm, 17.8mm, 22.8mm, 27.8mm, 32.8mm, 37.8mm, 42.8mm, 47.8mm, 57.8mm, 67.8mm, 77.8mm, 3.5mm, 10.5mm, 12.5mm, 14.5mm, 18.5mm, 20.5mm, 22.5mm, 27.5mm, 32.5mm, 37.5mm, 42.5mm, 47.5mm, 52.5mm, 62.5mm, 72.5mm, 82.5mm, 3mm, 5mm, 7mm, 9mm, 13mm, 15mm, 17mm, 22mm, 27mm, 32mm, 37mm, 42mm, 47mm, 57mm, 67mm, 77mm, 2mm, 12mm, 14mm, 16mm, 20mm, 24mm, 29mm, 34mm, 39mm, 44mm, 49mm, 54mm, 64mm, 74mm, 84mm, 1mm, 11mm, 25mm, 30mm, 35mm, 40mm, 45mm, 55mm, 65mm, 75mm, 33.35mm, 38.35mm, 43.35mm, 48.35mm, 58.35mm, 68.35mm  | 
        
| 
             Thread spacing  | 
            
             Coarse pitch  | 
        
| 
             Thread pitch  | 
            
             0.5mm, 0.7mm, 0.8mm, 1mm, 1.25mm, 1.5mm  | 
        
| 
             Head shape  | 
            
             Flat  | 
        
| 
             Drive style  | 
            
             Phillips  | 
        
| 
             Driver size  | 
            
             No. 1, No. 2, No. 3, No. 4  | 
        
| 
             Tip shape  | 
            
             Flat end  | 
        
| 
             Head diameter  | 
            
             5.6mm, 7.5mm, 9.2mm, 11mm, 14.5mm, 18mm  | 
        
| 
             Head height  | 
            
             1.65mm, 2.2mm, 2.5mm, 3mm, 4mm, 5mm  | 
        
| 
             Overall diameter  | 
            
             5.6mm, 7.5mm, 9.2mm, 11mm, 14.5mm, 18mm  | 
        
| 
             Overall length (Cylindrical object)  | 
            
             6mm, 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 60mm, 70mm, 80mm  | 
        
| 
             Representative standard  | 
            
             DIN  |