The Hexagon Head Screw (OEM Part No. 0147148103) is a replacement fastening component used on Epiroc / Atlas Copco drilling and mining equipment, including Boomer 281, Boomer 282, Simba H1254, Boltec 235 and SB 202 Tunnel applications. It is used to secure associated structural and mechanical components within machine and rock drill assemblies, helping maintain stable positioning and reliable connection under vibration and demanding operating conditions. The 0147148103 Hexagon Head Screw is suitable for routine maintenance, overhaul and component replacement when the original fastener becomes worn, damaged, corroded or requires replacement during servicing.