Casing & Coupling
Coupling Sleeves
Coupling sleeves for joining drill rod sections in DTH and rotary drilling systems. Manufactured to precise tolerances for reliable torque transfer and pressure-tight connections.
Key Features
- ✓ Precision CNC-machined internal threads
- ✓ Available for standard DTH and rotary rod profiles
- ✓ High-strength alloy steel with heat treatment
- ✓ Full-flush bore to maintain air/water circulation
- ✓ Multiple size options to match rod OD
Technical Specifications
| Available for Rod OD | 50 – 168 mm |
| Thread Profile | Standard DTH / API / custom |
| Material | High-strength alloy steel |
| Heat Treatment | Quenched and tempered |
| Connection Type | Female-female threaded coupling |
| Application | DTH drill string, rotary drilling, water well |
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