The Attachment Set (OEM Part No. 3128311723) is a mechanical spare component compatible with Boltec  235 , Boltec-MC, and Boomer-MD underground drilling rigs. Manufactured from durable alloy steel, it is designed for the bolt handling assembly attachment unit position. The attachment set provides secure mechanical connection and support for related equipment assemblies, ensuring stable operation during drilling and bolting applications. Its robust construction delivers accurate fitting, high strength, and long service life under harsh underground mining conditions. This OEM replacement attachment set helps maintain equipment reliability and operational efficiency.