A 
              内径  
              (实际内径)                | 
            B 
              外径  
              (实际外径)                | 
            C 
              总长度                | 
            ANSI标识 
              "HM"型                | 
            钻套头尺寸  | 
          
          
            F  | 
            G  | 
          
          
  
            8 
              (8.005    / 8.014)  | 
            12 
              (12.039    / 12.028)  | 
            10 
              16  | 
            HM-12-10-8.00 
              HM-12-16-8.00  | 
            15  | 
            3.0  | 
          
 
            10 
              (10.005    / 10.014)  | 
            15 
              (15.039    / 15.028)  | 
            12 
              20 
              25  | 
            HM-15-12-10.00 
              HM-15-20-10.00 
              HM-15-25-10.00  | 
            18  | 
            3.0  | 
          
  
            12 
              (12.006    / 12.017)  | 
            18 
              (18.039    / 18.028)  | 
            12 
              20 
              25  | 
            HM-18-12-12.00 
              HM-18-20-12.00 
              HM-18-25-12.00  | 
            22  | 
            4.0  | 
          
 
            15 
              (15.006    / 15.017)  | 
            22 
              (22.048    / 22.035)  | 
            16 
              28 
              36  | 
            HM-22-16-15.00 
              HM-22-28-15.00 
              HM-22-36-15.00  | 
            26  | 
            4.0  | 
          
  
            18 
              (18.006    / 18.017)  | 
            26 
              (26.048    / 26.035)  | 
            16 
              28 
              36  | 
            HM-26-16-18.00 
              HM-26-28-18.00 
              HM-26-36-18.00  | 
            30  | 
            4.0  | 
          
 
            22 
              (22.007    / 22.020)  | 
            30 
              (30.048    / 30.035)  | 
            20 
              36 
              45  | 
            HM-30-20-22.00 
              HM-30-36-22.00 
              HM-30-45-22.00  | 
            34  | 
            5.0  | 
          
  
            26 
              (26.007    / 26.020)  | 
            35 
              (35.059    / 35.043)  | 
            20 
              36 
              45  | 
            HM-35-20-26.00 
              HM-35-36-26.00 
              HM-35-45-26.00  | 
            39  | 
            5.0  | 
          
 
            30 
              (30.007    / 30.020)  | 
            42 
              (42.059    / 42.043)  | 
            25 
              45 
              56  | 
            HM-42-25-30.00 
              HM-42-45-30.00 
              HM-42-56-30.00  | 
            46  | 
            5.0  | 
          
  
            35 
              (35.009    / 35.025)  | 
            48 
              (48.059    / 48.043)  | 
            25 
              45 
              56  | 
            HM-48-25-35.00 
              HM-48-45-35.00 
              HM-48-56-35.00  | 
            52  | 
            5.0  | 
          
 
            42 
              (42.009    / 42.025)  | 
            55 
              (55.072    / 55.053)  | 
            30 
              56 
              67  | 
            HM-55-30-42.00 
              HM-55-56-42.00 
              HM-55-67-42.00  | 
            59  | 
            5.0  | 
          
  
            48 
              (48.009    / 48.025)  | 
            62 
              (62.072    / 62.053)  | 
            30 
              56 
              67  | 
            HM-62-30-48.00 
              HM-62-56-48.00 
              HM-62-67-48.00  | 
            66  | 
            6.0  | 
          
        
                所有尺寸单位为毫米.