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External flush drill rod is used for percussion rotary drilling with down-the-hole (DTH) hammer (including hydro-hammer and pneumatic-hammer). High rigidity, good sealing ability and uniform outer diameter are structure feature of this drill rod. Therefore, it has advantages of low rotary torque and resistance.
Main dimensions of this drilling tool is given below.
Diameter(mm)×length(m)
Φ50×1.0, Φ50×1.5, Φ73×1.0, Φ73×1.5, Φ89×1.0, Φ89×1.5, Φ114×1.0, Φ114×1.5
We can also manufacture the external flush drill pipe according to customer's requirements.
Technical Parameters of Dill Stem
Standard external flush drilling rod
| Drill rod diameter(mm) | Φ50 | Φ73 | Φ89 | Φ114 |
| Couplers diameter (mm) | Φ50 | Φ73 | Φ89 | Φ114 |
| Stroke Length(mm) | 1000; 1500; 2000; 3000; | 1000; 1500; 2000; 3000; 4000;6000; | 1000; 1500; 2000; 3000; 4000;6000; | 1000; 1500; 2000; 3000; 4000;6000; |
| Connection between rod and couplers | Argon arc welding; Friction welding; | |||
| Thread of rod couplers | M42*10*1.5 | Jinfan Tailor made; | API 2-3/8" REG; API 2-7/8" IF | API 3-1/2" REG; API 2-1/2" IF |
| Available drilling rig | 1000~1500mm:YG-30; YG-50;YG-60; YG-70; YG-80; YG-100; YGS-120; 1000~2000mm: YGL-80; YGL-80Q; YGL-100; YGL-100Q; YGL-100A; YGSL-120; YGL-150; 1000~3000mm: YGL-100R; YGL-150R; YGSL-120R; 1000~6000mm: YSL-300; YSSL-300; YSL-600 | |||
Jet grouting drill rod
| Drill rod diameter (mm) | Φ42 | Φ50 | Φ60 | Φ60 | Φ89 |
| Couplers diameter (mm) | Φ57 | Φ65 | Φ65 | Φ60 | Φ89 |
| Stroke Length (mm) | 1000; 1500; 2000; 3000; | 1000; 1500; 2000; 3000; | 1000; 1500; 2000; 3000; | 1000; 1500; 2000; 3000; 4000; 6000; | 1000; 1500; 2000; 3000; 4000; 6000; |
| Connection between rod and couplers | Right hand fine thread | Argon arc welding; | |||
| Jet grouting rod type | Single Tube | Diplex tube | Triplex tube | ||
| Available drilling rig | MG-50AX; YG-20X; YGL-20X; | MG-50AX; YG-20X; YGL-20X; | MG-50AX; YG-20X; YGL-20X; GXP-30; | MG-50AX; YG-20X; YGL-20X; GXP-30; | YG-20X; YGL-20X; GXP-30; |
Terms of Trade
1. MOQ: 1pcs
2. Delivery cycle: 0-7 months
3. Shipment port: Wuxi / Shanghai
4. Payment terms: Cash On Delivery
5. International markets: The United States, Mexico, Brazil, Colombia, Singapore, Malaysia, Indonesia, Australia, Russia, Ukraine, kyrgyzstan, Germany, France, Morocco, Armenia, Oman, Tanzania, Sri Lanka, India, Bangladesh, Pakistan, Congo, Sudan, and more.
Jinfan is a professional drilling rig manufacturer in China. We provide a vast variety of products, including core drill, water well drilling rig, jet-grouting drilling rig, engineering crawler drilling rig, and more. We also offer a wide array of drilling tools and drilling accessories, such as external flush drilling rod, pipe hammer machine and pulling machine.
Company Brief: JINFAN Drilling Equipment Company is a renowned drilling rig manufacturer and supplier in China. Our most popular products include a hydraulic anchor drill rig, hydraulic crawler drilling rig, water well drilling rig, core drilling rig, in addition to a variety of related drilling tools including our DTH hammer, pulling machine, eccentric casing bit and wire-line core barrel. Our drilling machines are commonly used in GSHP systems, engineering geological investigation, water well construction, water conservation, and petroleum and natural gas exploration industries.