MINING DRILL PIPE

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2022年05月01日

3 1/2" size G-105 grade API drill pipe

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API FH REG IF NC Screw Thread Water Well API Drill Pipes Tool Joint Hot Sale Manufacturer All Size Rock Drilling Forging


Roschen manufactures a range of deep hole mining drill pipe, we stand buy the highest standard when it comes to drill pipe. Our certified thread gages ranging from 6 3/4 to 10 1/8 male and female along with our CNC facilities and high quality steel makes us a leader in drill pipe.



Drill pipe is a portion of the overall drill string which connects the rig surface equipment with the bottom hole assembly and the bit both to pump drilling fluid to the bit and to be able to raise, lower and rotate the bottom hole assembly and the bit. It is a thick walled, hollow, steel piping used for both conventional as well as horizontal drilling.





Description of Mining drill pipe 

NOMINAL SIZESHOULDER TO SHOULDER LENGTHSMALL BORE DIAMDIAM. OF BOREBACKLENGTH OF BOREBACKSHOULDER TO FIRST SPANNER FLATWIDTH OF SPANNER FLATSHOULDER TO END OF SPANNER FLATSDIMENSION ACROSS SPANNER FLATCONNECTIONSWEIGHT
ABCDEFGH


inmminmminmminmminmminmminmminmminmm
KG
8″203.248″1219.24 3/4″120.76 5/32″156.422″58.81 1/2″38.12 3/4″69.98209.66174.66 3/4″ R.B-D122170
1/4″7/8″
10″25460″15244 3/4″120.77 7/16″188.936″914.41 1/2″38.12 3/4″69.98209.68″203.28 1/4″ R.B-D122345
1/4″
11 1/4″286.860″15244 3/4″120.77 11/16″195.336″914.41 1/2″38.13 1/2″88.910″2549″2289 1/4″ R/B-D122480
12 7/8″323.960″15245 7/16″138.19″228.636″914.41 9/16″39.73 15/16″10011″27910 1/2″266.710 1/2″ R.B-D122640
12 7/8″323.9120″30485 7/16″138.19″228.696″2438.41 9/16″39.73 15/16″10011″27910 1/2″266.710 1/2″ R.B-D1221270



Contact information: 

 

Phiger Leo

Direct Line: 0086-137-6419 5009

WeChat: +86-137-6419 5009 


WhatsApp: +86-137-6419 5009      

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ROSCHEN@ INC.                                 

ROSCHEN@ GROUP LIMITED

ROBERT ROSCHEN@ LIMITED

ROSCHEN@ HOLDINGS LIMITED    

HEFEI ROSCHEN@ TOOL CO., LTD.

ROSCHEN@ GEOLOGICAL TOOL CO.,LTD.

SHANGHAI ROSCHEN@ INTERNATIONAL CO., LTD.

ROSCHEN@ GEOLOGICAL INSTRUMENTS CO., LTD.  

EMAIL: roschen@roschen.com ; roschen@roschen.net

Website: http://www.roschendrill.com

http://www.roschenmining.com

http://www.roschendrilling.com  

http://www.explorationcoredrilling.com   

http://www.roschen.net 

http://www.roschen.cn

http://www.roschen.com 

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