OSG Flat Bottom Carbide Drill - Through Coolant 3xD - EGIAS Coated - 5.03mmThe OSG Flat Bottom Carbide Drill with Through Coolant is designed for efficient, high precision flat bottom drilling in materials such as steel and alloys. With a 3xD length ratio and an integrated through coolant design, it maintains effective cooling and chip evacuation for deeper holes and longer tool life. The EGIAS coating adds wear resistance for reliable performance in demanding tasks. Diameter: 5. 03 mm Material: Carbide Geometry: Flat bottom