ProDrill™ Rock drilling tools manufacturer offers rock drill bits: GT60 -127-19 parabolic bit are one of the most important size for benching and long hole drilling underground Button Bit GT 60 -127-19 parabolic bit, heavy duty, 13mm*10+16mm*6 tungsten carbide tips grade code T6,
New DP1500i is performing drilling 102/115/127/140mm holes for bench and production mining
Q19-127-GT60-Threaded Button Bit Quality Certificate: