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steel tooth drill bit
steel tooth drill bit

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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.

 

Product advantage:

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 .

 

Structure features:

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)

inch

mm

5 7/8

149.2

GA214

3 1/2

9.50-12.2

6 1/8

155.6

GA214

8 1/2

215.9

GA114 GA115 GA134 GA135 GA214 GA215 GA435 GAT515G

8 3/8

212.7

GA214

10 5/8

269.9

GA114 GA124

12

304.8

GA124 GA134

12 1/4

311.2

GA114 GA115 GA124 GA214 GAT215G

17 1/2

444.5

GA114 GA125 GA134 GA214 GA215 GA415 GA435 GA515G GA525Y GA535G GA545GY GA625GY

7 5/8

46.1-54.2

 

 

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