Epiroc Shaft 3128309970 is a precision-machined rotating component designed to transmit motion and support stable power transfer within Epiroc rock drilling assemblies. It helps maintain correct alignment, reduces vibration impact on connected parts, and improves overall operational reliability under heavy drilling loads. Manufactured from high-strength, wear-resistant material, the 3128 3099 70 shaft provides reliable fitment and long service life in mining, quarry, and tunneling applications. This spare part is currently in stock and available for immediate supply from ONSAMAK.