A 
              内径范围 (标准钻头尺寸)  | 
            B 
              主体外径  | 
            C 
              长度 
              (全长)  | 
            ANSI标识 
              型号 P  | 
            价格 
              代码**  | 
          
          
            小数尺寸  | 
            件号,字母, 
              以分数表示的尺寸+  | 
            公称尺寸  | 
            磨前尺寸  | 
            磨后尺寸*  | 
          
          
            磨后尺寸  | 
          
 
            .0135 
              to 
              .0280  | 
            #80 to #70  
              1/64  | 
            5/32  | 
            .1578 
              .1575  | 
            1/4 
              5/16 
              3/8 
              1/2  | 
            P-10-4 
              P-10-5 
              P-10-6 
              P-10-8  | 
            230 
              237 
              240 
              244  | 
          
  
            .0292 
              to 
              .0469  | 
            #69 to #56  
              1/32 and 3/64  | 
            5/32  | 
            .1578 
              .1575  | 
            1/4 
              5/16 
              3/8 
              1/2 
              3/4  | 
            P-10-4 
              P-10-5 
              P-10-6 
              P-10-8 
              P-10-12  | 
            212 
              218 
              221 
              223 
              251  | 
          
 
            .0520 
              to 
              .0625  | 
            #55 to #53  
              1/16  | 
            5/32  | 
            .1578 
              .1575  | 
            1/4 
              5/16 
              3/8 
              1/2 
              3/4  | 
            P-10-4 
              P-10-5 
              P-10-6 
              P-10-8 
              P-10-12  | 
            194 
              199 
              203 
              204 
              228  | 
          
  
            .0625 
              to 
              .0995  | 
            #52 to #39  
              1/16 to 3/32  | 
            3/16  | 
            .1891 
              .1888  | 
            1/4 
              5/16 
              3/8 
              1/2 
              5/8 
              3/4  | 
            P-12-4 
              P-12-5 
              P-12-6 
              P-12-8 
              P-12-10 
              P-12-12  | 
            133 
              140 
              143 
              145 
              157 
              161  | 
          
 
            .0400 
              to 
              .0595  | 
            #60 to #53  
              3/64  | 
            13/64  | 
            .2046 
              .2043  | 
            1/4 
              5/16 
              3/8 
              1/2 
              3/4  | 
            P-13-4 
              P-13-5 
              P-13-6 
              P-13-8 
              P-13-12  | 
            203 
              209 
              213 
              216 
              244  | 
          
  
            .0625 
              to 
              .0995  | 
            #52 to #39  
              1/16 to 3/32  | 
            13/64  | 
            .2046 
              .2043  | 
            1/4 
              5/16 
              3/8 
              1/2 
              3/4 
              1 
              1-3/8  | 
            P-13-4 
              P-13-5 
              P-13-6 
              P-13-8 
              P-13-12 
              P-13-16 
              P-13-22  | 
            133 
              140 
              43 
              145 
              161 
              168 
              210  | 
          
 
            .0980 
              to 
              .1406  | 
            #40 to #28  
              7/64 to 9/64  | 
            1/4  | 
            .2516 
              .2513  | 
            1/4 
              5/16 
              3/8 
              1/2 
              5/8 
              3/4 
              1 1-3/8  | 
            P-16-4 
              P-16-5 
              P-16-6 
              P-16-8 
              P-16-10 
              P-16-12 
              P-16-16 
              P-16-22  | 
            123 
              126 
              130 
              133 
              137 
              141 
              149 
              192  | 
          
        
          + 内径尺寸以分数表示, 为1/64英寸的倍数 (除非另有指明).