The Dia 120 mm Deep Hole Sleeved Drilling Tool is specifically designed for high-efficiency drilling of large-diameter deep holes. Its unique sleeved design makes it ideal for high-precision, heavy-duty deep hole operations, especially in industries like aerospace, automotive manufacturing, and heavy machinery. The tool is engineered to ensure excellent chip removal and superior stability during the drilling process. Key Features: \t1.\tLarge Diameter Hole Capability: Designed for drilling deep