OSG Flat Bottom Carbide Drill - Solid 2xD - EGIAS Coated - 4.20mmThe OSG Flat Bottom Carbide Drill Solid 2xD EGIAS Coated is a precision tool engineered for accurate flat bottom hole drilling in demanding materials. With a solid carbide core and an advanced EGIAS coating, it delivers stable performance at high speed and extended tool life. Diameter: 4. 20 mm Tip geometry: Flat bottom design for true flat holes and minimal burr formation Material: Solid carbide for rigidity and stability during high speed cutting