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.
Cangzhou Great PDC Drill Co., ltd specializes in designing, manufacturing, marketing and serving the high performance diamond bits and drilling tools used in petroleum industry .The company is established by the top experts of the field , and equipped with advanced equipments and facilities . | |
Salesman: mike chen ICQ:653459337 QQ: 1946547249 Skype: greatmary1 Call: 0086-13231768753 Tel : 0086-0317-3212 988 Fax: 0086-0317-3212 998 |