This pin is a wear part compatible with OEM part number 3128003118 and is used in underground drilling equipment. Made from hardened steel, it is designed to withstand continuous mechanical stress and abrasive working conditions in rotation head assemblies. The component ensures secure positioning and long service life during drilling operations. It is suitable for E70, M4C series, Simba E7C, M40S, and M4C ITH drilling rigs.