H19 H22 Hex Shank Integral Drill Rod with Tungsten Carbide Tip Custom 400 - 8000mm for Underground Mining
Looking for reliable one piece drill steel for underground tunneling and small blasthole mining work?
Our H19108mm and H22 108mm hex shank integral drill rods are built with premium Z708 and 55SiMnMo alloy steel, matched with solid tungsten carbide drill tips ranging from 24mm to 44mm.
We support fully customized lengths from 400mm up to 8000mm to fit different drilling depth demands.
Compared with separated drill bits and rods, this integral design raises percussive force utilization by 18%–25%. It effectively solves common field failures like carbide tip cracking and tapered rod breakage, cutting your maintenance and replacement costs greatly.
Perfect match for handheld rock drills and air leg jackhammers, widely used in underground mines, tunnel excavation and quarry blasting projects.
Henglong direct wholesale available for global mining contractors, tool distributors and engineering teams.