A 
              标准钻头  
              内径范围                | 
            B 
              外径  
              (实际外径)                | 
            C 
              总长度                | 
            ANSI标识               
              "HM "型                | 
            钻套头尺寸  | 
           
          
            F  | 
            G  | 
           
                0.35    到 1.00  | 
                4 
                  (4.027    / 4.019)  | 
                6 
                  9  | 
                HM-4-6 
                  HM-4-9  | 
                7  | 
                2.0  | 
               
                1.01    到 1.80  | 
               
    
                1.81    到 2.60  | 
                5 
                  (5.027    / 5.019)  | 
                6 
                  9  | 
                HM-5-6 
                  HM-5-9  | 
                8  | 
                2.0  | 
               
                2.61    到 3.30  | 
                6 
                  (6.027    / 6.019)  | 
                8 
                  12 
                  16  | 
                HM-6-8 
                  HM-6-12 
                  HM-6-16  | 
                9  | 
                2.5  | 
               
    
                3.31    到 4.00  | 
                7 
                  (7.032    / 7.023)  | 
                8 
                  12 
                  16  | 
                HM-7-8 
                  HM-7-12 
                  HM-7-16  | 
                10  | 
                2.5  | 
               
                4.01    到 5.00  | 
                8 
                  (8.032    / 8.023)  | 
                8 
                  12 
                  16  | 
                HM-8-8 
                  HM-8-12 
                  HM-8-16  | 
                11  | 
                2.5  | 
               
    
                5.01    到 6.00  | 
                10 
                  (10.032    / 10.023)  | 
                10 
                  16 
                  20  | 
                HM-10-10 
                  HM-10-16 
                  HM-10-20  | 
                13  | 
                3.0  | 
               
                6.01    到 8.00  | 
                12 
                  (12.039    / 12.028)  | 
                10 
                  16 
                  20  | 
                HM-12-10     
                  HM-12-16  
                  HM-12-20  | 
                15  | 
                3.0  | 
               
    
                8.01    到 10.00  | 
                15 
                  (15.039    / 15.028)  | 
                12 
                  20 
                  25  | 
                HM-15-12 
                  HM-15-20 
                  HM-15-25  | 
                18  | 
                3.0  | 
               
                10.01    到 12.00  | 
                18 
                  (18.039    / 18.028)  | 
                12 
                  20 
                  25  | 
                HM-18-12 
                  HM-18-20 
                  HM-18-25  | 
                22  | 
                4.0  | 
               
    
                12.01    到 15.00  | 
                22 
                  (22.048    / 22.035)  | 
                16 
                  28 
                  36  | 
                HM-22-16 
                  HM-22-28 
                  HM-22-36  | 
                26  | 
                4.0  | 
               
                15.01    到 18.00  | 
                26 
                  (26.048    / 26.035)  | 
                16 
                  28 
                  36  | 
                HM-26-16 
                  HM-26-28 
                  HM-26-36  | 
                30  | 
                4.0  | 
               
    
                18.01    到 22.00  | 
                30 
                  (30.048    / 30.035)  | 
                20 
                  36 
                  45  | 
                HM-30-20 
                  HM-30-36 
                  HM-30-45  | 
                34  | 
                5.0  | 
               
                22.01    到 26.00  | 
                35 
                  (35.059    / 35.043)  | 
                20 
                  36 
                  45  | 
                HM-35-20 
                  HM-35-36 
                  HM-35-45  | 
                39  | 
                5.0  | 
               
             
                   所有尺寸单位为毫米. | 
            
              
                标准公制 
                  钻头尺寸                   
                   | 
               
              
                0.35 3.40 8.25 0.38 3.50 8.30 0.40 3.60 8.40 0.42 3.70 8.50 0.45 3.75 8.60 0.48 3.80 8.70 0.50 3.90 8.75 0.55 4.00 8.80 0.60 4.10 8.90 0.65 4.20 9.00 0.70 4.25 9.10 0.75 4.30 9.20 0.80 4.40 9.25 0.85 4.50 9.30 0.90 4.60 9.40 0.95 4.70 9.50 1.00 4.75 9.60 1.05 4.80 9.70 1.10 4.90 9.75 1.15 5.00 9.80 1.20 5.10 9.90 1.25 5.20 10.0 1.30 5.25 10.2 1.35 5.30 10.5 1.40 5.40 10.8 1.45 5.50 11.0 1.50 5.60 11.2 1.55 5.70 11.5 1.60 5.75 11.8 1.65 5.80 12.0 1.70 5.90 12.2 1.75 6.00 12.5 1.80 6.10 13.0 1.85 6.20 13.5 1.90 6.25 14.0 1.95 6.30 14.5 2.00 6.40 15.0 2.05 6.50 15.5 2.10 6.60 16.0 2.15 6.70 16.5 2.20 6.75 17.0 2.25 6.80 17.5 2.30 6.90 18.0 2.35 7.00 18.5 2.40 7.10 19.0 2.45 7.20 19.5 2.50 7.25 20.0 2.55 7.30 20.5 2.60 7.40 21.0 2.65 7.50 21.5 2.70 7.60 22.0 2.75 7.70 22.5 2.80 7.75 23.0 2.90 7.80 23.5 3.00 7.90 24.0 3.10 8.00 24.5 3.20 8.10 25.0 3.25 8.20 26.0 
                  3.30         | 
               
              |