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