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Sandvik RT300 drill bits for big tophammers get tough new buttons that outlast all others in aggressive rock formations

infomine - mining equipment and supplier news | October 21, 2008 | 12:03 pm

Longer life, higher penetration rates and cleaner holes are among the benefits of a new generation of Sandvik GT60 button bits called RT300. Thanks to a new super-grade of cemented-carbide called XT48 and a new universal face design, their buttons...