A 
              内径范围 (标准钻头尺寸)  | 
                B 
                主体外径  | 
                C 
                  长度 
                  (头下)  | 
                ANSI标识  
                型号 SF   | 
                价格 
                代码** | 
                HEAD SIZE | 
                锁紧螺丝 
                和压板  | 
              
          
            小数尺寸  | 
                件号,字母, 
                以分数表示的尺寸+  | 
                公称尺寸  | 
                磨前尺寸  | 
                F | 
                G | 
                H | 
                J | 
                R | 
              
          
  
            .2344 
              .2500 
              .2570 
              .2656 
              .2812  | 
                15/64 
                  1/4 
                  "F" 
                  17/64 
                9/32  | 
                7/16  | 
                .4375 
                .4373  | 
                3/8 
                  1/2 
                  3/4 
                1  | 
                SF-28-6 
                  SF-28-8 
                  SF-28-12 
                SF-28-16  | 
                138 
                  140 
                  146 
                153  | 
                5/8  | 
                1/4  | 
                1/8  | 
                15/64  | 
                29/64  | 
                #2 - LS  | 
              
  
            .1406 
              to 
              .1875  | 
                #27 to #13 
                9/64 to 3/16  | 
                1/2  | 
                .5000 
                .4998  | 
                5/16 
                  3/8 
                  1/2 
                  3/4 
                  1 
                  1-3/8 
                1-3/4  | 
                SF-32-5 
                  SF-32-6 
                  SF-32-8 
                  SF-32-12 
                  SF-32-16 
                  SF-32-22 
                SF-32-28  | 
                140 
                  143 
                  145 
                  150 
                  160 
                  170 
                182  | 
                51/64  | 
                1/4  | 
                1/8  | 
                19/64  | 
                5/8  | 
                1A - LS  
                RC - 1A  | 
              
  
            .1890 
              to 
              .3438  | 
                #12 to #1 
                  "A" to "R" 
                13/64 to 11/32  | 
                1/2  | 
                .5000 
                .4998  | 
                5/16 
                  3/8 
                  1/2 
                  3/4 
                  1 
                  1-3/8 
                  1-3/4 
                2-1/8  | 
                SF-32-5 
                  SF-32-6 
                  SF-32-8 
                  SF-32-12 
                  SF-32-16 
                  SF-32-22 
                  SF-32-28 
                SF-32-34  | 
                137 
                  138 
                  140 
                  146 
                  153 
                  165 
                  177 
                245  | 
                51/64  | 
                1/4  | 
                1/8  | 
                19/64  | 
                5/8  | 
                1A-LS  
                RC - 1A  | 
              
  
            .3125 
              to 
              .3438  | 
                "O" to "R" 
                5/16 to 11/32  | 
                9/16  | 
                .5625 
                .5623  | 
                1/2 
                  5/8 
                  3/4 
                1  | 
                SF-36-8 
                  SF-36-10 
                  SF-36-12 
                SF-36-16  | 
                140 
                  143 
                  146 
                153  | 
                7/8  | 
                1/4  | 
                1/8  | 
                23/64  | 
                37/64  | 
                #2 - LS  | 
              
  
            .3594 
              to 
              .4375  | 
                "U" to "Z" 
                23/64 to 7/16  | 
                5/8  | 
                .6250 
                .6248  | 
                5/16 
                  3/8 
                  1/2 
                  5/8 
                  3/4 
                  1 
                1-1/4  | 
                SF-40-5 
                  SF-40-6 
                  SF-40-8 
                  SF-40-10 
                  SF-40-12 
                  SF-40-16 
                SF-40-20  | 
                137 
                  138 
                  140 
                  142 
                  144 
                  150 
                165  | 
                7/8  | 
                1/4  | 
                1/8  | 
                23/64  | 
                37/64  | 
                #2 - LS  | 
              
  
            .2812 
              to 
              .5625  | 
                "L" to "Z" 
                9/32 to 9/16  | 
                3/4  | 
                .7500 
                .7498  | 
                1/2 
                  3/4 
                  1 
                  1-3/8 
                  1-3/4 
                  2-1/8 
                2-1/2  | 
                SF-48-8 
                  SF-48-12 
                  SF-48-16 
                  SF-48-22 
                  SF-48-28  
                  SF-48-34 
                  SF-48-40                  | 
                140 
                  144 
                  150 
                  165 
                  180 
                  194 
                260  | 
                1-3/64  | 
                1/4  | 
                1/8  | 
                27/64  | 
                3/4  | 
                1A - LS  
                RC - 1A  | 
              
          
        
          + 内径尺寸以分数表示, 为1/64英寸的倍数 (除非另有指明).