Horizontal directional drilling machine indexable drilling head improve the process reliability and the quality of the bore in single-lip drills. It is applicable for holes with depths beginning at roughly 20 x D. In addition to this, our offering can also be utilized for lower slopes and much higher-quality surfaces as well. This product is integrated with an insert's cutting edge so that it becomes dull, at which point it is indexed, or twisted, to reveal a brand-new cutting edge. Horizontal directional drilling machine indexable drilling head allows cutting edge to be discarded as well as replaced with a new one when all of its cutting edges get dull.