The Spacer (OEM Part No. 3128256136) is a structural replacement part compatible with multiple Epiroc and BMH drilling and bolting rigs, including T1D, S2C, Boomer series (281, 291, S2), MD20, and S1D models. Made from heat-treated alloy steel, it is designed for use within the drill feed or support system at shaft or assembly spacing positions. The spacer ensures precise alignment, controlled spacing, and smooth mechanical operation between rotating or sliding components. Its durable, high-strength construction provides long-lasting performance under heavy-duty drilling conditions, helping maintain equipment stability, operational efficiency, and structural integrity in demanding underground mining applications.