Langfang Baiwei Drill Co., Ltd.
Langfang Budweiser drilling tool manufacturing Co., Ltd
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OD 4 1/2" Double Wall Rc Drill Pipe 6000MM longth
Product Description:
Our reverse circulation drill pipe and drill pipe consist of hardened alloy steel tool joints, heavy duty seamless drill pipe and high strength wear resistant inner tube. With our many years of experience in designing and manufacturing strong and wear-resistant reinforced concrete drill pipes, every aspect of material and production management is optimized. The result is high-quality reverse circulation drill pipe that keeps your RC rig productive day in and day out.
Double wall drill pipe
| Type | O.D.of the outer tube (mm) | I.D.of the inner tube (mm) | Outer dianeter of joint (mm) | Type of threads | Effective length (m) |
| WB114/65 | 114 | 65 | 156 | 4 IF | 6 |
| WB127/76 | 127 | 76 | 162/168 | 4 1/2IF | 6 , 9.5 |
| DB127/76 | 127 | 76 | 184 | 51/2 FH | 9.5 |
| WB140/88 | 139.7 | 88 | 184 | 51/2 FH | 6,9.5 |
| WB219/130 | 219 | 130 | 240 | Factory standard | 6,9.5 |
| WK76/32 | 76 | 32 | 78 | 3" Remet | 3 |
| WK102/41 | 102 | 41 | 103 | 4" Remet | 3 , 6 |
| WK114/52 | 114.3 | 52 | 116 | 4 1/2" Remet | 3 , 6 |
| WK114/38 | 114.3 | 38 | 114.3 | 4 1/2" Metzke | 3 , 6 |
| WK114/50 | 114.3 | 50 | 114.3 | 4 1/2" Remet | 3 , 6 |
Drill pipe usage notes:
1. Before connecting the new drill pipe, apply thread oil on the threads
2. Trim and break at least 3 times before drilling
3. Hard bending and plastic coating can be processed according to the special requirements of customers.
Our Services:
1. Drill pipe strictly according to API ISO9001 standard.
2. If you found to quality problems within one month of the package returned.
3. All strictly according to the contract and fulfill the obligations and responsibilities.
4. 24 hours online customer service,feel free contact us.
Langfang Baiwei Drill Co., Ltd. is a factory specializing in the production of various drill pipes, located in the hinterland of the Beijing-Tianjin-Hebei Economic Circle - Hebei Yongqing Industrial Park, covering an area of 25 mu. It is a professional manufacturing enterprise engaged in the research and development, design, production and sales of drill pipes and drilling tools.