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                | Mining geological exploiting tools--->> Rock Drilling Tips 
                  HCK21 |   
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                | Unit£ºmm |   
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                      | Type | Dimension |   
                      | L | H | S | r | ¦Â | e |   
                      | HCK2114 | 14.0 | 12.0 | 8.0 | 20.0 | 3¡ã | 1.0 |   
                      | HCK21-81001 | 15.0 | 14.0 | 2¡ã |   
                      | HCK2116 | 16.0 | 12.0 | 22.0 | 3¡ã |   
                      | HCK21-87003 | 17.0 | 18.0 | 12.0 | 20.0 | 2¡ã30' | 1.5 |   
                      | HCK2118 | 18.0 | 14.0 | 10.0 | 22.5 | 3¡ã | 1.0 |   
                      | HCK2120 | 20.0 | 18.0 | 28.5 |   
                      | HCK2126 | 26.0 | 16.0 | 35.0 | 1.5 |   
                      | HCK2128 | 28.0 |   
                      | HCK2130 | 30.0 | 12.0 | 38.0 |   
                      | HCK2132 | 32.0 | 44.5 | 2.0 |   
                      | HCK2135 | 35.0 | 51.0 |   
                      | HCK2139 | 39.0 | 18.0 | 14.0 | 57.5 |   
                      | HCK2143 | 43.0 | 20.0 | 63.5 |  |    |  |  |