The ZD-89 DTH Drill Rod is engineered for demanding drilling operations in water wells, mining, and quarry projects. Built from durable alloy steel and precision welded for maximum strength, it delivers stable performance, excellent air flow, and reduced operating costs. Suitable for 4",5" and 6" DTH hammer systems, it is ideal for 115-165mm hole drilling in hard rock conditions.
Quzhou Mazellion Heavy Industry Technology Co., Ltd. is a professional manufacturer of diesel screw air compressors and mining drilling equipment, serving global mining, quarry, water well drilling, and construction projects. We provide factory-direct supply, stable quality, and full OEM customization to help customers win local markets with better cost performance and reliability.
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| Drill pipe Diameter (mm) | Drill pipe length (mm) | Thread type | Wall thickness | Drill pipe Diameter (mm) |
| 76 (3") | 1000-6000 | API 2 3/8" REG | 5mm-8mm | 76 (3") |
| 89 (3.5") | 1000-6000 | API 2 3/8" REG | 5.5mm-8mm | 89 (3.5") |
| 102 (4") | 1000-6000 | API 2 3/8" REG | 8mm, 9.19mm | 102 (4") |
| 114 (4.5) | 1000-6000 | API 2 3/8" REG | 8mm, 10mm | 114 (4.5) |
| 127 (5") | 1000-6000 | 4-1/2" API REG | 8mm, 10mm | 127 (5") |
1.Water Well Drilling
The ZD-89 drill rod is widely used in water well drilling projects for residential, agricultural, industrial, and municipal water supply systems. Its high-strength structure ensures reliable performance during deep borehole construction in hard rock formations.
2.DTH Rock Drilling
Designed for down-the-hole drilling operations, the rod efficiently transfers compressed air and rotational torque to DTH hammers, making it suitable for granite, basalt, limestone, and other hard rock formations.
3.Quarry and Blasting Operations
In quarry production and open-pit mining, the ZD-89 drill rod is commonly used for blast hole drilling where straight holes and consistent drilling performance are essential for efficient rock fragmentation.
4.Geothermal Well Construction
The drill rod can be used in geothermal drilling projects where long drilling depths and stable air transmission are required to penetrate complex geological formations.
5.Foundation and Anchoring Projects
Suitable for foundation piling, rock anchoring, slope stabilization, and infrastructure engineering applications that require accurate and reliable drilling performance.
6.Geological Exploration
Mining companies and exploration contractors use the ZD-89 drill rod for geological investigation and resource exploration projects where drilling accuracy and durability are critical.
1.High Torque Transmission Capability
The 89mm rod diameter provides excellent torsional strength, allowing efficient transmission of rotary power from the drilling rig to the downhole drilling tools.
2.Superior Fatigue Resistance
Manufactured from premium alloy steel and heat-treated to improve fatigue resistance, reducing the risk of rod failure during long drilling operations.
3.Reliable Friction Welded Structure
Advanced friction welding technology creates a strong and durable connection between the pipe body and threaded joints, ensuring long-term performance under high impact loads.
4.Excellent Air Flow Efficiency
The internal bore design allows high-volume compressed air to pass efficiently to the DTH hammer, improving drilling speed and cuttings removal.
5.Extended Service Life
Thread nitriding treatment and precision machining significantly improve wear resistance, reducing maintenance costs and replacement frequency.
6.OEM and Custom Manufacturing Available
Customized thread types, rod lengths, wall thicknesses, surface treatments, and branding options are available to meet different market and project requirements.
Q1:What DTH hammer size can be used with the ZD-89 drill rod?
The ZD-89 drill rod is primarily designed for 4-inch and 5-inch DTH hammers, making it suitable for most medium-depth water well drilling and rock drilling projects.
Q2:What drill bit sizes are recommended?
The recommended DTH bit sizes range from 115mm to 165mm, with 138mm, 146mm, and 152mm being the most common configurations.
Q3:Can this drill rod be used for water well drilling?
Yes. The ZD-89 drill rod is widely used in water well drilling applications and is commonly matched with FY180, FY200, and FY260 water well drilling rigs.
Q4:What drilling depth can this rod support?
Under normal drilling conditions, the ZD-89 drill rod is suitable for boreholes ranging from 100m to over 300m, depending on air compressor capacity, geological conditions, and drilling system configuration.
Q5:Which air compressor should be used?
For optimal performance, we recommend high-pressure screw air compressors with working pressures between 18 and 25 bar and air delivery capacities ranging from 20 to 28 m³/min, depending on the hammer and bit size.
Q6:Can the rod be customized?
Yes. We provide OEM and ODM services including custom lengths, thread connections, logos, packaging, surface treatment, and material upgrades according to customer requirements.
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