OSG Flat Bottom Carbide Drill - Solid 2xD Long Length - EGIAS Coated - 13.50mmEngineered for deep, precise flat bottom hole drilling, the OSG Flat Bottom Carbide Drill Solid 2xD Long Length EGIAS Coated delivers extended reach with reliable performance. Diameter: 13. 50 mm Length Reach: Solid 2xD long length for deeper, more stable drilling Material: Solid carbide for high rigidity and dependable accuracy Coating: EGIAS coating provides wear resistance, high speed capability, and extended tool life Geometry: Flat bottom design