TEST REPORT – Greenbushes, WA, Australia 7.1.2019 Tested tools: Robit C51 bits, rods and shanks Test location: Greenbushes, WA, Australia Test date(s): Since May 2018 Client’s challenge: Top Hammer drill bit performance in the hard ground conditions of a lithium mine Reported by: Mark Thwaits, Technical Sales Representative, Robit Australia Report: We began trialling at Greenbushes, the world’s largest lithium mine, in the spring of 2018. They are currently using our C51 Retrac bits monthly, principally the 115 mm Drop Centre Retrac (DSR) and Flat Face (FF). Through frequent site visits we have developed a very positive relationship with our customer where information has become a two-way street. For example, it was our suggestion to try the DSR bit as a substitute to the FF, as we had see

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