General description The Starrett DCH0338 Deep Cut Bi-Metal Holesaw is designed for aggressive material penetration and efficient kerf clearance, making it ideal for cutting through solid materials or tubes with a wall thickness greater than 3mm. Its large cutting depth enhances performance, especially when cutting through both sides of a tube. Technical specifications Diameter: 86mm (3.3/8in) Cutting Depth: 51mm Material: Bi-Metal Enhanced heat and wear resistance