The new Sandvik RD535 rock drill is designed to work flawlessly together with the new Sandvik DT1132i tunneling rig and the new rock tools designed especially for high speed drilling. Sandvik RD535 rock drill’s body structure increases durability and reliability of the rock drill, making sure that the internal parts are always perfectly aligned during drilling. The stabilizer secures bit rock contact at all times, lowering stress and increasing tool life.