The Stop Lug (OEM Part No. 3128309062) 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 attachment position in hydraulic and support systems. The stop lug provides accurate mechanical positioning and limiting functions, helping maintain proper alignment and stable operation of connected assemblies. Its durable construction offers excellent resistance to mechanical stress and harsh underground conditions. This OEM replacement stop lug supports reliable equipment performance and long service life in mining and tunneling applications.