dth drill bits, dth drill bits Suppliers and Manufacturers ...
Round buttons 152mm DTH hammer drill bits for hard rock drilling. US 315 ... Factory Price DTH Drill Tungsten Carbide Button Rock Drilling ... 2460 YK25 14.40-14.60 86.5 2550 YG11C 14.20-14.40 86.5 2260 Used for making buttons and tri-cone and percussive drill bits for drilling hard and super hard rock formations and it can also be used for ...
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