The Expanding Shaft (OEM Part No. 3222316327) is a mechanical spare part compatible with Epiroc drilling equipment, including L6, L8, PowerRoc-D55 models. Manufactured from hardened alloy steel, it functions as an expansion and locking component in the feed system. The expanding shaft provides secure positioning, enhances mechanical stability, and supports reliable drilling performance. Designed for demanding mining applications, this replacement mechanical component offers high strength, excellent durability, and long service life for drilling equipment maintenance and repair.