Epiroc Arm 3128310407 is a heavy-duty support component designed to provide stable positioning and controlled movement within Epiroc rock drilling and feed systems. Built to withstand continuous vibration and high mechanical loads, it helps maintain alignment of connected assemblies and contributes to smooth operation during demanding drilling cycles. Manufactured from high-strength, wear-resistant material, the 3128 3104 07 arm offers reliable fitment and long service life in mining, quarry, and tunneling environments. This spare part is currently in stock and available for immediate supply from ONSAMAK.