Hard Rock Taper Drill Rod

Product Overview Hard Rock Taper Drill Rod is one of the Tapered Drilling Tools, specially manufactured for tough hard rock drilling work. It belongs to Fully carburized taper drill rods, transferring impact energy and rotary torque smoothly. It can be fitted with Coupling Sleeve to connect different drill sections and can be used together with Round Extension Drill Rod for combined drilling systems. Key Advantages Adopting premium alloy steel and full carburizing treatment, this drill rod delivers outstanding impact resistance and wear resistance. Its hexagonal rod body design improves torque transmission efficiency, and it can withstand repeated heavy impacts in hard rock, reducing the risk of breakage and extending service life. Detailed Features The reliable tapered connection enables fast assembly and disassembly. It can be matched with Round Extension Drill Rods to increase drilling depth. Threaded Coupling Sleeve is available as an accessory for conversion between taper and thr…