The Shaft (OEM Part No. 5112265000) is a mechanical power transmission and rotation component compatible with Epiroc underground drilling equipment, including SIMBA H1254, and Boomer-281 models. Manufactured from high-strength alloy steel, the shaft is designed to transmit rotational movement and mechanical power between connected components within the drilling rig assembly. It supports stable rotation, accurate component alignment, and reliable power transfer during demanding drilling operations. The durable alloy steel construction provides resistance to mechanical loads and wear encountered in heavy-duty underground mining applications. Designed as a replacement mechanical component, 5112265000 is suitable for equipment maintenance and repair, helping restore reliable drilling rig performance.