HC Wireline Drill Rod Φ88.9×77.8×5.5mm for Deep Hole Drilling up to 1800m
Sinocoredrill wireline drill rods are precision-engineered from premium cold drawn seamless steel tubes, delivering exceptional performance in demanding drilling applications. With ultimate tensile strength, high precision, and straightness exceeding 1:1800mm, these rods ensure reliable operation in challenging conditions.
- Manufactured from high-quality alloy steel with heat treatment
- CNC precision machining for consistent quality
- Tapered conical threads for secure coupling and easy uncoupling
- Hard chrome plating on box ends for enhanced wear resistance
- Flush jointed design for optimal performance
- Available in standard lengths of 1.5m and 3.0m
- Suitable for deep hole drilling up to 1500-1800 meters
| Parameter | Value |
|---|---|
| Outer Diameter | 88.9 mm |
| Inner Diameter | 77.8 mm |
| Wall Thickness | 5.6 mm |
| Standard Length | 1.5m / 3.0m |
| Weight (3m length) | 35 kg |
| Material | 30CrMnSiA / XJY850 |
| Tensile Strength | 960-1060 MPa |
| Yield Strength | 865-1000 MPa |
| Maximum Torque | 1356 kN.m |
| Maximum Core Depth | 1500-1800 m |
| Thread Type | China Standard |
| Heat Treatment | Entire-length or ends thermal processed |
| Property | XJY850 Specification |
|---|---|
| Tensile Strength | 1060 MPa |
| Yield Strength | 1000 MPa |
| Elongation | 18% |
| Surface Hardness | 270-295 Brinell |
| Eccentricity | 8% of pipe thickness |
Ideal for geotechnical exploration, mining exploration, oil exploration, and hydropower station grouting projects. Suitable for both wireline core drilling and double-tube core drilling applications.
Available with case hardening (nitriding) upon request. Left hand threads can be manufactured if required. Custom lengths available beyond standard 1.5m and 3.0m options.
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