Langfang Baiwei Drill Co., Ltd.
| Payment Terms | T/T |
| Delivery Time | 20-30 working days, which will be adjusted according to different products and inventory |
| Packaging Details | With iron |
| Name | Double Wall Drill Pipe |
| Type | Drill Pipe |
| Color | request |
| Advantage | High quality and factory price |
| Model | WB140/88 |
| O.D. of the other tube (mm) | 139.7 |
| Other diameter of joint (mm) | 88 |
| Outer dianeter of joint (mm) | 139.7 |
| Type of threads | 51/2FH |
| Effective length (m) | 6, 9.5 |
| Brand Name | Long way |
| Place of Origin | Hebei China |
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Product Specification
| Payment Terms | T/T | Delivery Time | 20-30 working days, which will be adjusted according to different products and inventory |
| Packaging Details | With iron | Name | Double Wall Drill Pipe |
| Type | Drill Pipe | Color | request |
| Advantage | High quality and factory price | Model | WB140/88 |
| O.D. of the other tube (mm) | 139.7 | Other diameter of joint (mm) | 88 |
| Outer dianeter of joint (mm) | 139.7 | Type of threads | 51/2FH |
| Effective length (m) | 6, 9.5 | Brand Name | Long way |
| Place of Origin | Hebei China | ||
| High Light | 127mm O.D. Reverse Circulation Drill Rod ，E75 Reverse Circulation Drill Rod ，E75 RC drill pipe | ||
Double Wall Rods Reverse Cireulation Drilling Pipe For Geological Research
Product Description
In order to realize the reverse circulation drilling process of the through-the-hole DTH hammer, the matching drilling tool system mainly includes a double-wall drill rod. In addition to the through-the-hole DTH hammer used to realize the impact effect, a reverse circulation drill bit and a double channel are also required Faucet, and other auxiliary tools. The double-arm drill pipe is one of its core components
1. Steel grade: E75 R780 G105 S135
2. Specification: 42-140mm
3. Thread: For Vermeer, Ditch witch, Drillto
We can manufacture all kinds of drill rod as per customer's requirments.
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 |
Two force regions
The threads of the non-dig drill pipe produced in the company have two Force regions. Such structure is designed to reduce the resistance that A drill faces during the construction process. The pipes are designed to handle high torque while retaining a large inside Diameter for superior drilling fluid flow so that the threads will not deform.
Optimal design
Drill rods through the dispersion of equal strength And stress optimal design, can give full play to the Potential of drill material.
Quality control
The complete systematic testing equipment guarantees BaiWei first-class products quality with attitude of rigorous speciality and the spirit of aggressive research and self probing.
FAQ
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 7-30 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample need to pay the cost of products and freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2006
Total Annual:
12,000,000-20,000,000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
LANGFANG BAIWEI DRILL CO.,LTD 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, ... LANGFANG BAIWEI DRILL CO.,LTD 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, ...
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