Some of the recent developments in mechanical rock cutting include the use of smart sensors, advanced materials, and novel geometries to improve tool performance, …
See the complete line of the World's most powerful rock & concrete grinding attachments. Keep your project rolling! We stock a huge inventory of picks for all brands of …
Petra is testing its tunnel-drilling method in a Minnesota quarry on Sioux Quartzite, a rock that the US Geological Survey says requires 25,000 pounds of pressure per square …