The Spacer (OEM Part No. 3128256137) is a structural replacement part compatible with a wide range of Epiroc and BMH drilling and bolting rigs, including T1D, S2C, Boomer 281, Boomer 291, Boomer S2, MD20, and S1D series models. Manufactured from heat-treated alloy steel, it is designed for installation in the drill feed or support system at shaft or assembly spacing positions. The spacer ensures precise alignment, maintains consistent component spacing, and supports smooth mechanical operation. Its robust construction provides long-lasting durability, helping preserve structural integrity, operational stability, and efficient performance under demanding underground drilling conditions.