The Socket (OEM Part No. 3217997814) is a mechanical spare part compatible with Epiroc underground mining equipment, including M4C, E70, M40S, EST 1030, Boomer 291, 235 Bolting Rig, EST-2D, M2C, S1D, and T1D New models. Manufactured from steel alloy, it functions as a connection and fastening component in the drill rig structural assembly. The socket provides secure mechanical connection, supports component positioning, and improves overall equipment stability. Designed for demanding underground mining conditions, this replacement mechanical component delivers reliable performance, excellent strength, and long service life for drilling and bolting equipment maintenance applications.