This hardened steel pin is produced as a compatible replacement for OEM part number 0501001901 and functions as a structural pin in drilling equipment. It is designed to maintain structural integrity and precise alignment under continuous vibration and heavy operating loads. The pin provides excellent resistance to wear and fatigue in mining environments. It is suitable for use on M4C, Simba E7C, M40S, Simba H1354, Simba H1254, and M4C ITH drilling machines.