OEM‑compatible Flushing Head (3115212100) for Simba H1354, Boomer 281, COP-SC25, and Simba S7D hydraulic rock drills. Made from hardened steel or alloy, it ensures efficient flushing of debris and contaminants from the drilling assembly. Designed for underground drilling equipment, it protects core components, maintains stable operation, and extends the service life of the hydraulic system.