Hacker's High Torque Flex steel thread was specifically designed for maximum joint strength with two shoulder seals, the primary seal and nose seal. In addition, the thread and upset was completely analyzed by computer. The material (tube) is *4130 modified alloy steel and is quenched and tempered to a specific hardness to insure maximum ductility.
Each upset is visually inspected before and after machining. The transition area is inspected and hand polished. Threads are CNC cut and are 100% inspected. Data is collected on each connection and serialized for full traceability.
After threading, each pipe is again visually inspected, the inside of the pipe is water blasted with 2,500 lbs PSI to remove mill scale and cutting chips from the bore. Each thread is cleaned and soaked in a hot phosphate bath. The phosphate coating on the threads helps prevent galling and is recommended by the American Petroleum Institute for rotary shoulder connections.
We could go on and explain that we purchase only the finest SEAMLESS tubing with one cold pass on the OD to insure tighter tolerances, and we also furnish mill certificates with each order. We could go on and on explaining how pleased we are with this product, but we won't bore you with anymore specific details.
What we are trying to say is that you can't buy a better product anywhere. Given the opportunity, we know you will be pleased too.
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*Special Chemistry to Hacker Specifications
4125 - 4130 - 4140
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 HACKER-TOUGH
FLEX-STEEL HIGH TORQUE DRILL PIPE
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HACKER DRILL STEEL is specifically designed to meet the relentless demands of Underground Horizontal Drilling. Manufactured from One single piece of forged heat treated steel, Hacker Flex-Steel is a truly premium pipe.
- Twin load bearing shoulders help insure against over torquing
- Carefully developed connections are meticulously cut by state of the art CNC machines
- Threads are phosphate coated to help prevent galling, then fitted with thread protectors
- Integral forged steel connections
- Maximum curvature to radius
- Total quality control inspection
- Complete documentation
Sizes: 2 3/8" OD illustrated. 2 1/2" diameter upset optional. Lengths from 10 to 34 feet.
Connection: Hacker 2 3/8" FJ. This is a proprietary rotary shouldered connection specifically designed for the Flex-Steel Series Drill Pipe. It is a high torque connection incorporation a standard A.P.I. 60 degree thread form and dual load bearing shoulders.
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