Polygonal Kelly Dth Drill Rods Pipe With Taper Small Pitch Thread
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
15 working days
Brand:
SHITAN
Product Description
Polygonal Kelly DTH Drill Rods Pipe With Taper Small Pitch Thread
Product Specifications
| Attribute | Value |
|---|---|
| Type | Drill Pipe, Drill Rod |
| Material | High Manganese Steel |
| Processing Type | Forging |
| Use | Ore Mining, Well Drilling, Rock Drilling |
| Length | Customized |
| Application | Quarry, Rock Drilling, Water Well Drilling |
| Color | Black or as per request |
| Advantages | Long service life, High wear resistance, Factory-direct pricing |
Product Description
The Polygonal Kelly Drill Rod is constructed from alloy steel with specially heat-treated ends featuring taper small pitch threads. Its regular polygonal shape matches drill rig spindles, effectively transmitting torque through the drill string to the drill bit. Engineered for durability and performance, these rods offer excellent cost efficiency, superior wear resistance, and extended service life.
Drill Rod Technical Parameters
| SPEC | Cross Section Shape | Length Overall (m) | Pipe Body ID (mm) | Arc Slot Size (mm) | Top Thread | Bottom Thread | Surface Hardening | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Pitch (mm) | Taper | Length (mm) | Thread Pitch (mm) | Taper | Length (mm) | ||||||
| Φ45×38×Φ25 | Flat Square | 4 | 25 | R6.5 | 6.35(4) | -- | 43 | 2.54(10) | 1:16 | 50 | HRC45-52 |
| Φ51×46×Φ25 | Hexagon | 6 | 25 | R7 | 6.35(4) | -- | 45 | 2.54(10) | 1:16 | 50 | HRC45-52 |
| Φ59×53×Φ28 | Hexagon | 4.5 | 28 | R7.75 | 2.54(10) | 1:16 | 55 | 2.54(10) | 1:16 | 55 | HRC45-52 |
| Φ59×53×Φ28 | Hexagon | 4.8 | 28 | R7 | 4.233(6) | 1:5 | 50 | 2.54(10) | 1:16 | 55 | HRC45-52 |
| Φ59×53×Φ28 | Hexagon | 6 | 28 | -- | 2.54(10) | 1:16 | 55 | 2.54(10) | 1:16 | 55 | HRC45-52 |
| Φ65×55×Φ28 | Flat Square | 7 | 28 | -- | 2.54(10) | 1:16 | 55 | 2.54(10) | 1:16 | 55 | HRC45-52 |
| Φ89×75×Φ45 | Flat Square | 7 | 45 | -- | 3.175(8) | 1:16 | 60 | 3.175(8) | 1:16 | 60 | HRC40-45 |
| Φ89×79×Φ37 | Hexagon | 5.5 | 37 | R12 | 4.233(6) | 1:5 | 50 | 2.54(10) | 1:16 | 65 | HRC40-45 |
| Φ89×79×Φ45 | Hexagon | 6 | 45 | -- | 10 | -- | 85 | 10 | -- | 85 | HRC40-45 |
| Φ89×79×Φ45 | Hexagon | 7 | 45 | -- | 3.175(8) | 1:16 | 60 | 3.175(8) | 1:16 | 60 | HRC40-45 |
| Φ89×79×Φ45 | Hexagon | 9 | 45 | -- | 3.175(8) | 1:16 | 60 | 3.175(8) | 1:16 | 60 | HRC40-45 |
Additional Features
- Bottom thread parts undergo quenching and tempering treatment
- Custom connections and lengths available per customer requirements
Quality Assurance
How do you handle defective products received by clients?
We provide replacements for any defective items, typically crediting the customer or including replacements in the next shipment.
What quality control measures do you implement during production?
Our rigorous quality process includes spot inspections and finished product inspections at each production stage.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Jinzhou City Shitan Machinery Equipment CO. LTD.
Location
Xiaoshang Industrial Zone, Jinzhou City, Hebei Province, China
Contact Person
Anna