The Pressure Screw (OEM Part No. 3128315204) is a replacement hydraulic component designed for pressure adjustment and reliable operation within the hydraulic system of underground mining equipment. It is compatible with selected Epiroc / Atlas Copco equipment models, including Boomer 104, Boomer K41, Boomer K41X, Boomer T1D and Simba H157. The 3128315204 Pressure Screw helps maintain proper hydraulic pressure and supports stable system performance during drilling and underground mining operations. Manufactured for durability and dimensional compatibility, it is suitable for routine maintenance and replacement when the original pressure screw becomes worn, damaged or requires servicing. The 3128315204 Pressure Screw helps support reliable hydraulic system operation, maintain equipment performance and reduce unplanned downtime.