89 mm DTH Drill Rod — 2000 mm, API 2 3/8 REG
89 mm · 2000 mm · API 2 3/8 REG
The 89 mm DTH drill rod uses API 2 3/8 REG pin-and-box connections. Its connection length is 2000 mm, with a reference overall length of 2076 mm.
Technical specifications
| Product type | DTH drill rod |
|---|---|
| Outside diameter | 89 mm |
| Connection length | 2000 mm |
| Reference overall length | 2076 mm |
| Thread connection | API 2 3/8 REG |
| End arrangement | Pin–box |
API 2 3/8 REG pin end
External tapered threading and adjacent gripping slots form the male connection end.
API 2 3/8 REG box end
Internal tapered threading forms the female connection end. Gripping slots are positioned next to the joint.
89 mm DTH drill rod dimensions
The 89 mm DTH drill rod has a 2000 mm connection length and a 2076 mm reference overall length. The dimensioned section shows the tubular body between two threaded end joints, with an external pin at one end and an internal box at the other.
API 2 3/8 REG connections
Both end connections use API 2 3/8 REG threads. The tapered external pin joins a matching female box, allowing rod sections to form a connected drill string. Thread designation, pin-and-box arrangement and rod length identify this configuration.
Joint gripping slots
Recessed gripping slots sit next to the threaded ends. The enlarged end sections and the hollow center are visible in the section views. The two detail images isolate the pin and box geometry while retaining their original thread callouts.
Role in the drill string
A drill pipe connects the surface rig to the downhole assembly, transmitting rotation and providing an internal flow passage. This 89 mm DTH drill rod provides the threaded tubular section of that assembly.
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