The Capscrew (OEM Part No. 5530851900) is a high-strength steel replacement fastener designed for mining and heavy-duty equipment applications. It is compatible with older ST1030 Dana axle models, EST 1030, 1030 loaders equipment. The 5530851900 Capscrew is designed to provide secure fastening for mechanical and structural assemblies, helping maintain stable connections between equipment components. It is suitable for routine maintenance, repair, and replacement of worn or damaged fastening components. As an aftermarket replacement part, this capscrew provides a practical solution for maintaining equipment reliability and supporting the secure assembly of mining machinery operating in demanding working environments.