O form rubber seal rolling bearing bit;
certificated API and ISO9001;
high quality and good service.
Hejian Kemei Drilling Equipment Co., Ltd. is
a professional supplier of new and latest drill bits used for oil field ,water well and geological prospecting,
we have engaged in the drilling equipment field for so many years and
grasped an advanced technology for pruducing drill bits in high quality,we will spare no effort to improve our product quality to meet different requipments of the customers of the whole world
and enlarge both domestic and international market.
GA series bit for O form rubber sealing roller bearing drill bits.It is an ideal and economic tools for the high speed drilling drilling in low pressure .
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, and it provides good lubrication guarantee for bearing system.
4.Steel ball lock die, suitable for the high speed.
5.The 250 ° C high temperature resistance, abrasion resistance of new grease.
GA series with the three oil disc bit optional size, type:
|Bit size||Bit model|
API formal outer thread (inches)
Link to tighten the screw drill torque is recommended value (thousand cows. Meters)
GA114 GA115 GA134 GA135 GA214 GA215 GA435 GAT515G
GA114 GA115 GA124 GA214 GAT215G
GA114 GA125 GA134 GA214 GA215 GA415 GA435 GA515G GA525Y GA535G GA545GY GA625GY