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