TT Technologies

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TT Technologies Machine TuffRod Part # Mfg. Method Tube OD TJ OD Length Weight
(lbs.)
Connection Max Torque (ft./lbs.) Bend Radius
(% Slope
Per Rod)
Bend Radius (Feet) Rack
Grundodrill 4X TR4X Inertia Welded 1.500″ 1.900″ 5′ 23 Firestick 1 #200 950 5.1% 98′ 32


TuffRod Drill Pipe is made to the industry standard S135 Specification.

  • Tensile Strength 145,000 PSI (The maximum stress the material will sustain before fracture.)
  • Yield Strength 135,000 PSI (The stress corresponding to a specified permanent (plastic) deformation – the point at which the material yields and won’t spring back)
  • Elongation .7% EUL (The increase in the gauge length, measured after fracture of the specimen within the gauge length, usually expressed as a percentage of the original gauge length / EUL Extension Under Load)