used drilling bits

Specifications TCI Rock Bit/used drilling bits Certificated by ISO9001:2000 and API Products covered all IADC codes Specialized in single bits, tri-cone bits and PDC bit 1. Material: tungsten carbide 2. Various types for different formations 3. Cutting structure: The durability of premium tungsten carbide insert is improved with new formulas and new techniques for insert bit 4. Gauge structure: Multiple gauge protection with trimmers on the heel of cone, tungsten carbide