Carbide Drill 3xD 55 HRC is a precision drill designed for deep hole drilling up to three times the drill diameter (3xD) in materials with hardness up to 55 HRC. Manufactured from premium-grade carbide, it offers excellent wear resistance, sharp cutting edges, and high thermal stability. Ideal for CNC machining in hardened steels, alloy steels, and cast irons, this drill ensures accurate hole quality and long tool life in demanding industrial applications.








