HejianHengji Bits Manufacture Co., Ltd. is located in Hebei Province of China.
We are a professional supplier of drill bits used for oil fields and water wells,
including rock bits, PDC bits. Various models and dimensions are available.
Here, our experienced staff to assist you all the options bit, and shipped around the world. We focus on improving the quality of products at the same time, reduce total cost to satisfy every customer's demand and purchasing target. With many years of experience, products, contact, sustained excellence in customer service and technology, will provide the best quality products and services in the world all customers. To establish a long-term relationship of cooperation, the world of the customers is our eternal goal.
1. Rolling seal bearing structure, cylindrical roller cone in slots in the body, increasing the shaft neck size.
2. Thrust bearing vice respectively by grinding surface treatment and hardening process.
3. The differential pressure and prevent drilling fluid restrictions in the lubricating system all rubber oil storage sac, for bearing system provides good lubrication guarantee.
4. Steel ball lock die, suitable for the high speed.
5. The 250 C high temperature resistance, abrasion resistance of new grease.
GA series bit for O form rubber sealing roller bearing drill bits, low pressure for the high speed drilling drilling, it is an ideal and economic tools