Langfang Baiwei Drill Co., Ltd.
Langfang Budweiser drilling tool manufacturing Co., Ltd
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High Strength Drill Pipe Used For Reverse Air Circulation Drilling
Product Description
High-strength double-tube drill pipe used for reverse air circulation drilling in open-pit mining.
The length can be set according to customer requirements, such as 1m, 1.5m, 2.0m, 3.0m, 4.5m, 6m, etc.
Diameter: 102mm, 108mm, 114mm, etc.
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 | 41F | 6 |
| WB127/76 | 127 | 76 | 162/168 | 41/21F | 6 , 9.5 |
| DB127/76 | 127 | 76 | 184 | 51/2FH | 9.5 |
| WB140/88 | 139.7 | 88 | 184 | 51/2FH | 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 |
| WP50/20 | 50 | 20 | 50 | 1 , 1.5 | |
| WP73/35 | 73 | 35 | 73 | 1 , 1.5 | |
| WP89/40 | 89 | 40 | 89 | 1 , 1.5 |
Drill pipe usage notes:
1. New drill pipe should be pasted thread oil before connection
2. Make up and break at least 3 times before drilling
3. Hard bending and plastic coating can be processed according to costumer special requirement.
About us
LangFang Baiwei Drill Co.,Ltd located in the center of Beijing, Tianjin and Hebei-Yongqing Industrial Area. Langfang Hebei.
Our company is a drilling tools manufacturing enterprisewith integration of design, geological, well, double wall, oil, auger and other special drilling pipes. And trenchless special drilling tools such as pilot guide bits,swivels, reamers, sub saver, pneumatic pipe rammer, pipe bursting machine.
We have specially invited domestic wellknown expert Mr.zhou shengfeng as our general manager who engaged in the HDD drilling tools and processing technology as technical consultant. A solid research team lays the foundation of product quality, new product development and after-sales service.
FAQ
Q: Are you a manufacturer or trading company?
A: We are a specialized manufacturer.
Q: What are your main products, and used for?
A: Our products include core barrel, casing, drill rod, drill rig and other drilling parts.They are used for mineral exploration, geological drilling,
Q: How about discount?
A: Price is based on products and order quantity.
Q: Do you accept sample order?
A: Yes sure, please contact us for details.
Q: How does your company control the quality?
A: Quality first. In order to guarantee high quality for our products, our always make a serious inspection for all products and raw materials in strict procedure.
We have obtained certificate of ISO9001*TongShun is professional production of drilling tools, if you want to know more about our products, please feel free to contact us.