DiamondCoreDrill. This drill cuts a 115mm diameter hole in stone, brick or concrete, running at about 300RPM. Drill manufactured in about 2000. Picture
Attribution-Share Alike 4.0 truetrue English Threaded Bar and Anchor for diamonddrilling Russian Шпилька резьбовая и анкер для крепления установки алмазного
Attribution-Share Alike 4.0 truetrue English Threaded Bar and Anchor for diamonddrilling Russian Шпилька резьбовая и анкер для крепления установки алмазного
[[fault]]/[[shear (geology)]] plane found in [[Exploration_diamond_drilling#Tube_sizes|HQ]] core. This slickenside shows a [[dextral]] sense of movement