| P
                   | 
                                                螺距 | 
                               
                                                        
                | dk
                   | 
                                                最大值=公称 | 
                               
                                                        
                | 最小值 | 
               
                                          
                | 
                   | 
                                                ≈ | 
                               
                                                        
                | k
                   | 
                                                公称 | 
                               
                                                        
                | 最大值 | 
               
                                          
                | 最小值 | 
               
                                          
                | n
                   | 
                                                公称 | 
                               
                                                        
                | 最大值 | 
               
                                          
                | 最小值 | 
               
                                          
                | r
                   | 
                                                最大值 | 
                               
                                                        
                | t
                   | 
                                                最大值 | 
                               
                                                        
                | 最小值 | 
               
                                          | 
            
              
              
                                
                                    | 0.25 | 
                                    0.25 | 
                                    0.3 | 
                                    0.35 | 
                                    0.4 | 
                                    0.45 | 
                                    0.5 | 
                                   
                                
                                    | 3.5 | 
                                    4 | 
                                    4.5 | 
                                    5 | 
                                    6 | 
                                    7 | 
                                    8 | 
                                   
                                
                                    | 3.2 | 
                                    3.7 | 
                                    4.2 | 
                                    4.7 | 
                                    5.64 | 
                                    6.64 | 
                                    7.64 | 
                                   
                                
                                    | 0.2 | 
                                    0.2 | 
                                    0.25 | 
                                    0.25 | 
                                    0.3 | 
                                    0.4 | 
                                    0.45 | 
                                   
                                
                                    | 0.7 | 
                                    0.8 | 
                                    0.9 | 
                                    1 | 
                                    1.2 | 
                                    1.5 | 
                                    1.8 | 
                                   
                                
                                    | 0.82 | 
                                    0.92 | 
                                    1.02 | 
                                    1.12 | 
                                    1.32 | 
                                    1.62 | 
                                    1.92 | 
                                   
                                
                                    | 0.58 | 
                                    0.68 | 
                                    0.78 | 
                                    0.88 | 
                                    1.08 | 
                                    1.38 | 
                                    1.68 | 
                                   
                                
                                    | 0.25 | 
                                    0.3 | 
                                    0.3 | 
                                    0.4 | 
                                    0.5 | 
                                    0.6 | 
                                    0.8 | 
                                   
                                
                                    | 0.45 | 
                                    0.5 | 
                                    0.5 | 
                                    0.6 | 
                                    0.7 | 
                                    0.8 | 
                                    1 | 
                                   
                                
                                    | 0.31 | 
                                    0.36 | 
                                    0.36 | 
                                    0.46 | 
                                    0.56 | 
                                    0.66 | 
                                    0.86 | 
                                   
                                
                                    | 0.1 | 
                                    0.1 | 
                                    0.1 | 
                                    0.1 | 
                                    0.1 | 
                                    0.1 | 
                                    0.1 | 
                                   
                                
                                    | 0.5 | 
                                    0.55 | 
                                    0.6 | 
                                    0.7 | 
                                    0.8 | 
                                    0.95 | 
                                    1.15 | 
                                   
                                
                                    | 0.35 | 
                                    0.4 | 
                                    0.45 | 
                                    0.5 | 
                                    0.6 | 
                                    0.75 | 
                                    0.9 | 
                                   
                               
              
               |