The Back Head (OEM Part No. 3128256139) is a wear part compatible with a wide range of Epiroc and BMH drilling and bolting rigs, including T1D, S2C, Boomer 281, Boomer 291, Boomer S2, MD20, and S1D series models. Constructed from high-strength alloy steel, it is designed for use within the drill feed or support system at rear-end support or load-bearing positions. The back head provides structural reinforcement, ensures proper load transfer, and maintains alignment of drill components. Its durable, wear-resistant design delivers reliable performance under heavy-duty underground drilling conditions, enhancing operational stability and mechanical integrity.