This rotation head pin is manufactured as a compatible replacement for OEM part number 0570702549 and is used as a wear component in underground drilling equipment. Made from hardened steel, it provides reliable strength, resistance to abrasion, and long service life under heavy-duty operating conditions. The pin supports stable component connection and smooth rotational movement within the rotation head assembly. It is suitable for equipment such as ST18, ST14, and ST2G underground drilling and support rigs.