| 
      
        | 牙數/英寸 n |  
        | 螺距 P (mm) |  
        | 牙高 h (mm) |  
        | 大徑(基準直徑)d=D | 基準平面内的基本直徑 (mm) |  
        | 中徑 d2=D2 |  
        | 小徑 d1=D1 |  
        | 基本 | 基準距離 (mm) |  
        | 極限偏差  ±T₁/2 (mm) |  
        | 極限偏差  ±T₁/2 (圈數) |  
        | 最大 |  
        | 最小 |  
        | mm | 裝配餘量 |  
        | 圈數 |  
        | 基準距離(基本) | 外螺紋的有效螺紋不小于 (mm) |  
        | 基準距離(最大) |  
        | 基準距離(最小) |  
        | 徑向  (mm) | 圓錐內螺紋基準平面軸向位置的極限偏差  ±T₂/2 |  
        | 軸向圈數 |  | 
                            
                                | 28 | 28 | 19 | 19 | 14 | 14 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |  
                                | 0.907 | 0.907 | 1.337 | 1.337 | 1.814 | 1.814 | 2.309 | 2.309 | 2.309 | 2.309 | 2.309 | 2.309 | 2.309 | 2.309 | 2.309 |  
                                | 0.581 | 0.581 | 0.856 | 0.856 | 1.162 | 1.162 | 1.479 | 1.479 | 1.479 | 1.479 | 1.479 | 1.479 | 1.479 | 1.479 | 1.479 |  
                                | 7.723 | 9.728 | 13.157 | 16.662 | 20.955 | 26.441 | 33.249 | 41.910 | 47.803 | 59.614 | 75.184 | 87.884 | 113.030 | 138.430 | 163.830 |  
                                | 7.142 | 9.147 | 12.301 | 15.806 | 19.793 | 25.279 | 31.770 | 40.431 | 46.324 | 58.135 | 73.705 | 86.405 | 111.551 | 136.951 | 162.351 |  
                                | 6.561 | 8.566 | 11.445 | 14.950 | 18.631 | 24.117 | 30.291 | 38.952 | 44.845 | 56.656 | 72.226 | 84.926 | 110.072 | 135.472 | 160.872 |  
                                | 4 | 4 | 6 | 6.4 | 8.2 | 9.5 | 10.4 | 12.7 | 12.7 | 15.9 | 17.5 | 20.6 | 25.4 | 28.6 | 28.6 |  
                                | 0.9 | 0.9 | 1.3 | 1.3 | 1.8 | 1.8 | 2.3 | 2.3 | 2.3 | 2.3 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 |  
                                | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 1/2 | 1 1/2 | 1 1/2 | 1 1/2 | 1 1/2 |  
                                | 4.9 | 4.9 | 7.3 | 7.7 | 10.0 | 11.3 | 12.7 | 15.0 | 15.0 | 18.2 | 21.0 | 24.1 | 28.9 | 32.1 | 32.1 |  
                                | 3.1 | 3.1 | 4.7 | 5.1 | 6.4 | 7.7 | 8.1 | 10.4 | 10.4 | 13.6 | 14.0 | 17.1 | 21.9 | 25.1 | 25.1 |  
                                | 2.5 | 2.5 | 3.7 | 3.7 | 5 | 5 | 6.4 | 6.4 | 6.4 | 7.5 | 9.2 | 9.2 | 10.4 | 11.5 | 11.5 |  
                                | 2 3/4 | 2 3/4 | 2 3/4 | 2 3/4 | 2 3/4 | 2 3/4 | 2 3/4 | 2 3/4 | 2 3/4 | 3 1/4 | 4 | 4 | 4 1/2 | 5 | 5 |  
                                | 6.5 | 6.5 | 9.7 | 10.1 | 13.2 | 14.5 | 16.8 | 19.1 | 19.1 | 23.4 | 26.7 | 29.8 | 35.8 | 40.1 | 40.1 |  
                                | 7.4 | 7.4 | 11 | 11.4 | 15 | 16.3 | 19.1 | 21.4 | 21.4 | 25.7 | 30.2 | 33.3 | 39.3 | 43.6 | 43.6 |  
                                | 5.6 | 5.6 | 8.4 | 8.8 | 11.4 | 12.7 | 14.5 | 16.8 | 16.8 | 21.1 | 23.2 | 26.3 | 32.3 | 36.6 | 36.6 |  
                                | 1.1 | 1.1 | 1.7 | 1.7 | 2.3 | 2.3 | 2.9 | 2.9 | 2.9 | 2.9 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 |  
                                | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/4 | 1 1/2 | 1 1/2 | 1 1/2 | 1 1/2 | 1 1/2 |  |