Drill America Carbide Ball Bearing Drill Bits are engineered for demanding entry applications, this solid carbide drill bit features a burr-style cutting head designed specifically to penetrate through or between hardened ball bearing barriers. The rugged carbide design maintains strength, heat resistance, and durability when cutting into extreme materials, allowing multiple openings with a single bit. Ideal for locksmiths, safe technicians, and security professionals who require reliable access through advanced security systems and high-strength steel.