The Pin (OEM Part No. 3128320900) is a spare part compatible with Boltec 235 , Boltec-MC, and Boomer-MD underground drilling machines. Manufactured from durable alloy steel, it is categorized as a mechanical component used in the pivot connection and linkage system at the boom and feed beam joint position. This precision-engineered pin provides secure mechanical connection between moving assemblies, ensuring accurate motion transfer and structural stability. Designed to withstand heavy loads, vibration, and repeated movement cycles, it reduces connection wear and improves the reliability and service life of mining rig mechanical systems.