Our goal will be to offer premium quality items at competitive price ranges, and top-notch support to consumers around the planet. We are ISO9001, CE, and GS certified and strictly adhere to their high quality specifications for Reasonable price for China Solid Carbide Tapered Button Bit/ Thread Button Bit, We are trying to get for in depth cooperation with sincere shoppers, attaining a new result in of glory with customers and strategic partners. Our goal will be to offer premium quality items at competitive price ranges, and top-notch support to consumers around the planet. We are ISO9001, CE, and GS certified and strictly adhere to their high quality specifications for China Thread Button Bit, Diamond Drill Bit, Our factory covers an area of 12,000 square meters, and has a staff of 200 people, among which there are 5 technical executives. We're specialized in producing.We've got rich experience in export. Welcome to contact us and your enquiry is going to be replied as soon as possible. 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