To support continuous and efficient drilling operations, Epiroc rock drill spare parts are supplied in a wide range, including holders, bushings, bearings, sliding pieces, dowels, intermediate supports, hose drums, springs, shafts, and gears, manufactured for dependable performance in top hammer drilling and underground rock drilling applications. These alternative Epiroc components are provided by ONSAMAK for Rocket Boomer and Jumbo drilling machines working in mining, tunneling, and construction environments, offering accurate fitment, reduced vibration, smooth operation, and long service life under tough conditions.