名稱  | 
          內徑  | 
          斷面尺寸  | 
          最大外徑  | 
         
        
          M.M  | 
          IN吋  | 
          基本尺寸  | 
          誤差  | 
          NO.1  | 
          NO.2  | 
          NO.3  | 
          NO.1  | 
          NO.2  | 
          NO.3  | 
         
        
          
  | 
          
  | 
          
  | 
          
  | 
          幅X厚  | 
          幅X厚  | 
          幅X厚  | 
          
  | 
          
  | 
          
  | 
         
        
          2  | 
          
  | 
          2.1  | 
          + 0.25 - 0  | 
          0.8x0.4  | 
          0.9x0.5  | 
          1.0x0.6  | 
          4.1  | 
          4.4  | 
          4.6  | 
         
        
          2.3  | 
          
  | 
          2.4  | 
          + 0.25 - 0  | 
          0.8x0.4  | 
          1.0x0.6  | 
          1.1x0.7  | 
          4.5  | 
          4.9  | 
          5.1  | 
         
        
          2.6  | 
          
  | 
          2.7  | 
          + 0.3- 0  | 
          0.9x0.5  | 
          1.0x0.6  | 
          1.2x0.8  | 
          5.1  | 
          5.3  | 
          5.7  | 
         
        
          3  | 
          
  | 
          3.1  | 
          + 0.3- 0  | 
          1.0x0.6  | 
          1.1x0.7  | 
          1.3x0.9  | 
          5.7  | 
          5.9  | 
          6.3  | 
         
        
          3.5  | 
          
  | 
          3.6  | 
          + 0.3- 0  | 
          1.0x0.6  | 
          1.2x0.8  | 
          1.4x1.0  | 
          6.2  | 
          6.6  | 
          7.0  | 
         
        
          4  | 
          
  | 
          4.2  | 
          + 0.4- 0  | 
          1.2x0.8  | 
          1.4x1.0  | 
          1.6x1.2  | 
          7.3  | 
          7.7  | 
          8.1  | 
         
        
          4.5  | 
          
  | 
          4.7  | 
          + 0.4- 0  | 
          1.3x0.9  | 
          1.5x1.2  | 
          1.7x1.4  | 
          8.0  | 
          8.4  | 
          8.8  | 
         
        
          5  | 
          
  | 
          5.2  | 
          + 0.4- 0  | 
          1.5x1.0  | 
          1.7x1.3  | 
          1.9x1.5  | 
          8.9  | 
          9.3  | 
          9.7  | 
         
        
          5.5  | 
          
  | 
          5.6  | 
          + 0.4- 0  | 
          --  | 
          1.8x1.4  | 
          --  | 
          --  | 
          9.9  | 
          --  | 
         
        
          6  | 
          
  | 
          6.2  | 
          + 0.4- 0  | 
          2.6x1.2  | 
          2.7x1.5  | 
          2.7x1.9  | 
          12.1  | 
          12.3  | 
          12.3  | 
         
        
          
  | 
          1/4  | 
          6.5  | 
          + 0.4- 0  | 
          2.7x1.3  | 
          2.8x1.6  | 
          2.8x2.0  | 
          --  | 
          12.5  | 
          12.5  | 
         
        
          8  | 
          5/16  | 
          8.2  | 
          + 0.5- 0  | 
          3.0x1.4  | 
          3.2x2.0  | 
          3.3x2.5  | 
          15.0  | 
          15.4  | 
          15.6  | 
         
        
          
  | 
          3/8  | 
          9.8  | 
          + 0.5- 0  | 
          3.5x1.8  | 
          3.6x2.4  | 
          3.7x2.9  | 
          17.6  | 
          17.8  | 
          18.2  | 
         
        
          10  | 
          
  | 
          10.3  | 
          + 0.5- 0  | 
          3.6x1.9  | 
          3.7x2.5  | 
          3.9x3.0  | 
          18.3  | 
          18.5  | 
          18.9  | 
         
        
          
  | 
          7/16  | 
          11.4  | 
          + 0.5- 0  | 
          3.9x2.2  | 
          4.0x2.8  | 
          4.1x3.4  | 
          20.0  | 
          20.2  | 
          20.4  | 
         
        
          12  | 
          
  | 
          12.3  | 
          + 0.6- 0  | 
          4.1x2.4  | 
          4.2x3.0  | 
          4.4x3.6  | 
          21.4  | 
          21.6  | 
          22.0  | 
         
        
          
  | 
          1/2  | 
          13.0  | 
          + 0.6- 0  | 
          4.3x2.5  | 
          4.4x3.2  | 
          4.5x3.8  | 
          22.5  | 
          22.7  | 
          22.9  | 
         
        
          14  | 
          
  | 
          14.4  | 
          + 0.6- 0  | 
          4.6x2.8  | 
          4.7x3.5  | 
          4.8x4.2  | 
          24.5  | 
          24.7  | 
          24.9  | 
         
        
          16  | 
          5/8  | 
          16.4  | 
          + 0.8- 0  | 
          5.1x3.2  | 
          5.2x4.0  | 
          5.3x4.8  | 
          28.0  | 
          28.2  | 
          28.4  | 
         
        
          18  | 
          
  | 
          18.5  | 
          + 0.8- 0  | 
          5.6x3.7  | 
          5.7x4.6  | 
          5.9x5.4  | 
          31.1  | 
          31.3  | 
          31.7  | 
         
        
          
  | 
          3/4  | 
          19.5  | 
          + 0.8- 0  | 
          5.9x3.9  | 
          5.9x4.8  | 
          6.2x5.7  | 
          32.7  | 
          32.7  | 
          33.3  | 
         
        
          20  | 
          
  | 
          20.5  | 
          + 0.8- 0  | 
          6.1x4.1  | 
          6.1x5.1  | 
          6.4x6.0  | 
          34.1  | 
          34.1  | 
          34.7  | 
         
        
          22  | 
          7/8  | 
          22.8  | 
          + 1.0- 0  | 
          6.7x4.6  | 
          6.8x5.6  | 
          7.1x6.8  | 
          37.8  | 
          38.0  | 
          38.6  | 
         
        
          24  | 
          
  | 
          24.6  | 
          + 1.0- 0  | 
          7.0x4.9  | 
          7.1x5.9  | 
          7.6x7.2  | 
          40.2  | 
          40.4  | 
          41.4  | 
         
        
          
  | 
          1  | 
          26.0  | 
          + 1.0- 0  | 
          7.3x5.1  | 
          7.5x6.4  | 
          8.1x7.8  | 
          42.4  | 
          42.8  | 
          44.0  | 
         
        
          27  | 
          
  | 
          27.7  | 
          + 1.2- 0  | 
          7.7x5.4  | 
          7.9x6.8  | 
          8.6x8.3  | 
          45.1  | 
          45.5  | 
          46.9  | 
         
        
          
  | 
          1-1/8  | 
          29.3  | 
          + 1.2- 0  | 
          8.0x5.7  | 
          8.3x7.1  | 
          --  | 
          47.3  | 
          47.9  | 
          --  | 
         
        
          30  | 
          
  | 
          30.7  | 
          + 1.2- 0  | 
          8.2x6.0  | 
          8.7x7.5  | 
          --  | 
          49.1  | 
          50.1  | 
          --  | 
         
        
          
  | 
          1-1/4  | 
          32.5  | 
          + 1.2- 0  | 
          8.5x6.4  | 
          9.1x7.9  | 
          --  | 
          51.5  | 
          52.7  | 
          --  | 
         
        
          33  | 
          
  | 
          33.8  | 
          + 1.4- 0  | 
          8.7x6.6  | 
          9.5x8.2  | 
          --  | 
          53.4  | 
          55.0  | 
          --  | 
         
        
          
  | 
          1-3/8  | 
          35.8  | 
          + 1.4- 0  | 
          9.0x6.7  | 
          9.9x8.7  | 
          --  | 
          56.0  | 
          57.8  | 
          --  | 
         
        
          36  | 
          
  | 
          36.9  | 
          + 1.4- 0  | 
          9.2x6.9  | 
          10.2 x 9.0  | 
          --  | 
          57.5  | 
          59.5  | 
          --  | 
         
        
          
  | 
          1-1/2  | 
          39.0  | 
          + 1.4- 0  | 
          9.5x7.2  | 
          10.7 x 9.5  | 
          --  | 
          60.2  | 
          62.6  | 
          --  | 
         
        |