All 10 products from ZhongCheng Drill Bit Manufacture CO.,LTD.
This tricone bit features a hardfaced head bearing surface and silver-plated cone inner hole. The O-ring seal is made of wear-resistant, highly saturated buna-N for increased reliability.

This HDD hole opener expands pilot holes during horizontal directional drilling. It features roller cone cutters with sealed or metal-sealed bearings, suitable for soft to hard rock conditions.

This PDC drill bit is suitable for soft and medium-soft rock layers and high abrasive formations. The blade-less design features a large chip space and utilizes high-quality PDC films with strong anti-impact properties, improving drilling speed and service life.