4 In OD Reverse Circulation Drill Rod For Well Drilling

Brand Name:ROSCHEN
Certification:ISO
Model Number:3 7/8, 4, 4 1/2, 5
Minimum Order Quantity:1-5 pcs
Place of Origin:GERMANY
Price:Negotiate
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Location: Shanghai Shanghai China
Address: 65 EAST XINHUAN ROAD, SHANGHAI, CHINA
Supplier`s last login times: within 3 hours
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Reverse Circulation Drill Rods 4 in OD for reverse circulation well drilling


Heavy duty RC Drill Rod, 4 inches

This product can be used in the following Reverse Circulation systems:


The reverse circulation drill rod has four threads which adds to machine operating time. The purpose of the two extra threads is to allow the inner tube to be replaced in the field. It also allows the driller to replace the box tool joint with a new tool joint, without welding and can be done at the site.


We use heat threaded 4130 alloy tool joints; this alloy allows driller to employ a hardfacing program without fear of embitterment. We use a microalloy midsection (midbody), ST52V, 90KS1 MIL VLD possessing a superior abrasion resistance.

Our inner tube midsection (midbody) is a heavy-wall mechanical tube, not a pipe. The inner tube is fixed and won't vibrate under most conditions. The inner tube ends are made from a heat treated alloy and the male end is machine finished after welding for perfect alignment.

The o-ring retainers absorb the percussion forces to eliminate problems arising from the transfer of vibration and torque loads to the outer pipe.



Reverse Circulation Drill Rods accessories:

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RC 4in/102 mm Rock Bit Inner Tube

RC Rock Bit Adaptor 2 3/8 V-Thrd.Body

RC 4in Back Reamer Inner Tube 35-540-M40

RC Rock Bit Adaptor 2 7/8 O-Ring.Body

RC 4in/102 mm Box to NCC Pin Adaptor

Inner Tube Tester 4"

RC 4in/102 mm Saver Sub Pin to 4-1/2in

Interchange Top Sub 4.50" O.D.

WRENCH KEY 4"

Rock Bit Adapter Wear Sleeve 5" O.D.

Rock Bit Adapter Wear Sleeve 4 7/8" O.D.

Rock Bit Adapter Valve Bladder

Bladder Loader 4"

RC 4" Back Reamer Assembly 35-540-M40

RC Rock Bit Adaptor 2 7/8 Q-Thrd.Body

Crossover Interchange Sub

RC 4in/102 mm Rock Bit Adaptor Ass.

RC 4in/102 mm Box to HCC Pin Adaptor

Interchange Top Sub 5.00" O.D.

RC 4in/102 mm O-RING

RC Saver Sub

Rock Bit Adapter Wear Sleeve 4 5/8 O.D.Q.Tread

Rock Bit Adapter Wear Sleeve 4-3/8 O.D. V.Thread

REVERSE CIRCULATION DRILL ROD SPECIFICATIONS
Thread TypeRemetRemetRemetMetzkeMetzkeMatrixMatrix
Rod O.D.3 1/2"4"4 1/2"4"4 1/2"4"4 1/2"
Outer Tube O.D.88.9mm101.7mm114.3mm101.7mm114.3mm101.7mm114.3mm
Outer Tube I.D.81.8mm94.6mm107.2mm94.6mm107.2mm94.6mm107.2mm
Outer Tube W.T.5.3mm7.1mm7.1mm7.1mm7.1mm7.1mm7.1mm
Inner Tube O.D.38.1mm50.8mm63.5mm50.8mm63.5mm50.8mm63.5mm
Inner Tube I.D.32.6mm45.3mm58mm45.3mm58mm45.3mm58mm
Inner Tube W.T.5.5mm5.5mm5.5mm5.5mm5.5mm5.5mm5.5mm
Spanner Flat90mm90mm90mm90mm90mm90mm90mm
Weight 3.0m75kg.75kg.95kg.75kg.95kg.75kg.95kg.
Weight 6.0m120kg.150kg.168kg.150kg.168kg.150kg.168kg.


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For more information, please contact:



ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED

Skype: ROSCHEN.TOOL , ROSCHEN_GROUP

WeChat: +86-137 6419 5009 ; +86-135 8585 5390

WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390

Email: roschen@roschen.com ; roschen@roschen.net

Website: http://www.roschen.com ; http://www.roschen.net

http://www.roschen.cn ; http://www.roschendrill.com

http://www.roschenmining.com ; http://www.roschendrilling.com

China 4 In OD Reverse Circulation Drill Rod For Well Drilling supplier

4 In OD Reverse Circulation Drill Rod For Well Drilling

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