Jinzhou City Shitan Machinery Equipment CO. LTD.
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| Place of Origin: | Hebei China |
| Brand Name: | SHITAN |
| Certification: | ISO9001 |
| Model Number: | ST |
| Packaging Details: | Wooden cases standard export package |
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| Delivery Time: | 15 working days |
| Payment Terms: | L/C, T/T |
| Type: | Drill Pipe,drill Rod | Material: | High Manganese Steel |
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| Use: | Ore Mining,Well Drilling,rock Drilling | Length: | Customized |
| Application: | Quarry,rock Drilling,water Well Drilling | Color: | Black Or As Per Your Request |
| Product Name: | Professional Manufacture Supply Rock Drill Rod | Usage: | Rock Drilling,Mining |
| Advantage: | Long Use Life,High Wear Resistant,high Quality Factory Price | Key Words: | Drill Rod |
| High Light: | 4m Water Well Drill Pipe,Polygonal Water Well Drill Pipe,Small Pitch rock drill rods |
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Polygonal Kelly Drill Rod Pipe with Taper Small Pitch Thread for Mining And Well Drilling Rig Machine
Brief Introduction
The Kelly Drill Rod is made of alloy steel, and the two ends are specially heat-treated to be processed into a taper small pitch thread. The shape is a regular polygon according to the drill rig's spindle, and the torque of the drill rig is passed through the drill string and finally transmitted to the drill bit at the bottom. It has the characteristics of high cost efficiency, good wear resistance and long service life.
Drill rod Parameters
| Kelly Parameters | |||||||||||
| SPEC | Cross Section Shape | Length Overall (m) | Pipe Body ID (mm) | Arc Slot Size (mm) | Top Thread(LH) | Bottom Thread | Surface Hardening | ||||
| Thread Pitch (Number of Thread per Inch) (mm) | Taper | Length (mm) | Thread Pitch (Number of Thread per Inch) (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 |
| 1. The bottom thread parts quenching and tempering treatment. | |||||||||||
| 2. We can apply designated connection and length as per customers' requirement. | |||||||||||
1) How do you take care when your clients received defective products?
A: replacement. If there are some defective items, we usually credit to our customer or replace in next shipment.
2)How do you check all the goods in the production line?
A: We have spot inspection and finished product inspection. We check the goods when they go into next step production procedure.
Contact Person: Anna
Tel: 15511892512
