Newly Improved NTW Diamond Core Drill Bit for Geotechnical and Exploration Projects
Our manufacturer proudly releases the newly improved NTW wireline impregnated diamond core drill bit, engineered for high‑quality core retrieval during geological surveys, mineral mining and various geotechnical construction projects.
This NTW core drill bit features a size of 76/56 mm and adopts advanced hot‑press sintered impregnated diamond technology. A wide selection of matrix hardness grades can be offered to adapt to diverse rock conditions, ranging from tough granite to heavily abrasive sandstone formations. Thanks to its refined bit crown structure, it achieves reliable core recovery rates, rapid drilling speed and extended working lifespan under harsh field drilling conditions.
We are an experienced original producer specializing in diamond drilling equipment. We can provide a full set of wireline drilling accessories, covering NTW core bits, reaming shells and core barrels. Custom‑made dimensions and OEM manufacturing services are available to worldwide drilling firms and geological exploration enterprises.
If you require further product specifications, digital catalogues or quotation details, feel free to get in touch with our sales department.

