Bear "Customer first, High quality first" in mind, we perform closely with our consumers and provide them with efficient and experienced services for 2022 wholesale price China 45-R32 Tungsten Carbide Drill Bits, Rock Drill Bits, Therefore, we could satisfy different inquiries from different clients. Remember to come across our web site to check additional facts from our items. Bear "Customer first, High quality first" in mind, we perform closely with our consumers and provide them with efficient and experienced services for China 45-R32 Tungsten Carbide Drill Bits, R Thread Cylindrical Bit, Nowadays our items sell all over the domestic and abroad thanks for the regular and new customers support. We provide high quality product and competitive price, welcome the regular and new customers cooperate with us! Overburden Drilling Tools ODEX systems for DTH hammers that are specially designed to drill and case simultaneously through overburden. These durable overburden drilling tools easily pass through large boulders for pulling lightweight wherein inexpensive casings are incorporated behind them. These overburden drilling tools are easy to remove from the hole/ depth and are provided to our clients in the following technical specifications: Size: ODEX90, ODEX115, ODEX127, ODEX140, ODEX152, ODEX165, ODEX190，ODEX240 1. Applied to the drilling where the rock formation is overburden and need casing tube to support. 2. flexible to open and close. 3. Application Range: It is suitable for drilling water wells, geothermal wells, and short miscopies medium mini-type grouting hole of building, dam and harbors project. 4. Design Principles: Make the casing follow easy and the equipment and operation simple 5. Outstanding Advantages: Simple structure, simple operation, reliable quality, retrievable drilling tools, long service life. 6. Inner package with cartons, outer package with wooden cases