The Roller Chain (OEM Part No. 3128340419) is a spare part compatible with Boltec S10M and Boltec S underground bolting rigs. Manufactured from durable alloy steel, it serves as a mechanical component for the rig feeding transmission system at the roller chain installation position. It transfers mechanical power, supports feed movement, and ensures stable operation of the drilling feed assembly during working cycles. Designed for demanding underground mining conditions, this roller chain provides reliable strength and wear resistance. Precise OEM dimensions ensure smooth installation and consistent transmission performance.