High Pressure Fuel Pipes Double Wall Steel Drilling Pipe
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
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 |
Used in
Our drill rods are suitable to drill deep holes. They are widely used in geological and mineral, metallurgy, mining, oil drilling industries and so on. From drillers' feedback, our rods have drilled up to 2000 meters depth. BaiWei has many years experience in manufacturing coring drill rod, we try to provide you the most cost-efficient products.
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 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.