6 1/2'' IADC537 Tricone Drill Bit/Tricone Rock Bit/TCI Tricone Bit for Water Well Drilling. High-Efficiency Design: Forged from high carbon steel for superior wear resistance and efficiency in drilling. Versatile Application: Ideal for medium hard formations like shale, sandstone, and limestone in water wells. Customized Options: Offers customized machine type, processing type, and bearing configurations. Fast Delivery: Regular models in stock with prompt delivery; mass production within 15 workdays. Flexible Payment: Accepts L/C, T/T, D/P, and PayPal for convenient transaction terms. OEM/ODM Service: Provides OEM and ODM services with 5 dedicated R&D engineers. Global Export Experience: Exports to over 25 countries including USA, Australia, and European nations. Professional Manufacturer: Established in 2016 with 10,000 sqm plant and 101-200 employees.