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Premium Dual Tube Drill Rod for Reverse Circulation Drilling

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Reverse Circulation Drill Pipes

RC Drilling Supplies: 7" inch OD Drill pipe specs

SPECIFICATIONS 7" 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 O.D.

Heat Treated 4130 Alloy- 34-38 RC
Minimum Yield Strength - 110 ksi
O.D. 7.150” - I.D. 5.5000” - Wall 0.825”

OUTER PIPE MIDBODY

Minimum Yield Strength 90 ksi
O.D. 7.00” - I.D. 6.375” - Wall 0.313”

INNER PIPE

Minimum Yield Strength 90 ksi
O.D. 4.375” - ID 4.000”- Wall 0.187”

INNER PIPE ENDS

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

ROD WEIGHT

705 lbs per 20 ft.

TORQUE RATING

15,000 ft.-lbs (20,340 N-m)

TENSION RATING

595,000 lbs (269,892 kg)

FLATS- BOX ONLY

6.125” across x 3.500” high
5.250” from shoulder

O-RINGS

2 each Nitrile #348

INNER TUBE SEALING

Inner tubes make up and seal along with
tool joints

 


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