Epiroc Arm 3128310408 is a heavy-duty support component designed to provide stable positioning and controlled movement within Epiroc rock drilling assemblies. It helps maintain correct alignment, reduces vibration impact on joints, and supports reliable operation under continuous drilling loads. Manufactured from high-strength, wear-resistant material, the 3128 3104 08 arm offers dependable 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.