The tapered rods work together with taper drill bits , has different length for various applications, our taper drill rods come in a variety of taper angles, generally, the light duty rock
drill usually use 7 taper or smaller taper angle, the heavy duty rock drill mainly use 11,12 taper angle. We provide tapered rods in a full range of shank configurations and steel hex diameters for
hand-held pneumatic drilling needs.