Products

Visit our online store today!

Visit our youtube channel

Safe and fast drilling rig shipping!

View our gallery of products images

Premium Dual Tube Drill Rod for Reverse Circulation Drilling

Jump to : or

Reverse Circulation Drill Pipes

RC Drilling Supplies: 4.25 inch OD Drill pipe specs

SPECIFICATIONS 4.25’’ DUAL  TUBE RC PIPE

STANDARD LENGTHS

Make-up Length 5 ft; 10 ft; 15 ft. and 20 ft.
(also available in metric 1.5 ; 3.0 ; 4.5 and 6.0 meter sizes)

TOOL JOINT

Heat Treated 4130 Alloy 34-38 RC
Minimum Yield Strength 110 ksi
O.D. 4.050" I.D. 3.000" Wall 0.5250"

OUTER TUBE

Minimum Yield Strength 90 ksi
O.D. 3.875" I.D. 3.375" Wall 0.250"

INNER TUBE

Minimum Yield Strength 90 ksi
O.D. 2.250"  I.D. 1.937" Wall 0.156"

INNER PIPE ENDS

Male 4130 Alloy 42-45 RC
Female 4130 Alloy 34-36 RC

ROD WEIGHT

154 lbs. per 10 ft.
83 lbs. per 5 ft.

TORQUE RATING

7,000 ft. - lbs. (9,490 N-m)

TENSION RATING

90,000 lbs. (40,823 kg)

FLATS

3.250" Across X 2.500" Wide
5.00" From Shoulder On Box
1.50" From Shoulder On Pin

O-RINGS

2 each Nitrile #228

INNER TUBE SEALING

Inner Tubes make up and seal along with
tool joints.

 


Please contact us If you have any questions and we will be happy to provide you additional information on our range of drilling tools upon request.

Ask for a quotation today and see why drillers around the world trust us.
We ship worldwide.