The Disk (OEM Part No. 3128309219) is a spare part compatible with Boltec 235, Boltec-MC, and Boomer-MD underground drilling rigs. Manufactured from high-strength alloy steel, it is designed as a mechanical component for the disk assembly position in mechanical clamping and support systems. The disk provides reliable support, positioning, and connection between related mechanical assemblies, helping maintain stable equipment operation during drilling and bolting activities. Its durable construction ensures strong resistance to mechanical stress and harsh underground conditions. This OEM replacement disk delivers dependable performance and long service life for mining and tunneling applications.