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#1
 
06-28-2010, 01:15 PM
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Anyone like to share their experience with drilling & turning pure tungsten? We are wearing carbide drills & inserts fast. Drills are micrograin, inserts are tungaloy grade AH-120. finding stock of the harder -c3- c4 (DIN K01-K40) insert grades is proving difficult. Any suggestions? ca  |
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