| 
      
        | 标称螺钉尺寸 |  
        | 基本螺钉直径 |  
        | TRS型最大扭矩(in.-lb) |  
        | TRS型最大扭矩(ft-lb) |  | 
                    
                        | 2-56 | 3-48 | 4-40 | 5-40 | 6-32 | 8-32 | 10-24 | 10-32 | 12-24 | 1/4-20 | 5/16-18 | 3/8-16 | 7/16-14 | 1/2-13 |  
                        | 0.0860 | 0.0990 | 0.1120 | 0.1250 | 0.1380 | 0.1640 | 0.1900 | 0.1900 | 0.2120 | 0.2500 | 0.3125 | 0.3750 | 0.4375 | 0.5000 |  
                        | 6 | 9.5 | 13 | 16 | 20 | 32 | 52 | 60 | 77 | 120 | 240 | 300 | 480 | 660 |  
                        | / | / | / | / | / | / | / | / | / | 10 | 20 | 25 | 40 | 55 |  |