OSG Flat Bottom Carbide Drill - Solid 2xD - EGIAS Coated - 5.30mmThe OSG Flat Bottom Carbide Drill Solid 2xD EGIAS Coated delivers precise flat bottom hole drilling with durable, high speed performance. Sized at 5. 30 mm, its built for professional use on steels, alloys, and hardened materials. Diameter: 5. 30 mm Construction: Solid carbide drill with 2xD length for rigidity and stability Coating: EGIAS coating enhances wear resistance and supports high speed drilling Flat bottom geometry: Designed to produce