High Durability Reverse Circulation Double Wall Drill Pipe 114mm OD

Brand Name:Long way
Certification:ISO9001
Model Number:4.5"*6000
Minimum Order Quantity:30pcs
Delivery Time:20-30 working days, which will be adjusted according to different products and inventory
Payment Terms:T/T
Contact Now

Add to Cart

Verified Supplier
Location: Langfang Hebei China
Address: Yongqing Industrial Zone, Langfang, Hebei, China
Supplier`s last login times: within 48 hours
Product Details Company Profile
Product Details

Reverse Circulation Od 114mm Drill Pipe Used for well drilling R780 grade steel



Product Description:

The double-wall drill pipe is used for RC drilling, the circulating medium passes through the gap between the double-wall pipes during operation, effectively bringing the sample out of the hole, while protecting the hole from collapse, matching our RC air (water) rotation, GQ pneumatic hollow The DTH hammer can continuously complete the acquisition of samples.


Double wall drill pipe


TypeO.D.of the outer tube (mm)I.D.of the inner tube (mm)Outer dianeter of joint (mm)Type of threadsEffective length (m)
WB114/651146515641F6
WB127/7612776162/16841/21F6 , 9.5
DB127/761277618451/2FH9.5
WB140/88139.78818451/2FH6,9.5
WB219/130219130240Factory standard6,9.5
WK76/327632783" Remet3
WK102/41102411034" Remet3 , 6
WK114/52114.3521164 1/2" Remet3 , 6
WK114/38114.338114.34 1/2" Metzke3 , 6
WK114/50114.350114.34 1/2" Remet3 , 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.



Advantages of our products


Our company has been producing double wall drill pipe for more than ten years, and the technology is mature. The rod body is made of high-quality materials and the joint friction welding process is used to fully integrate the rod body with the joint. The strength of drill pipe is ensured. 42CrMo quenching and tempering treatment is adopted for all joints, which are characterized by high strength and good wear resistance.

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.


China High Durability Reverse Circulation Double Wall Drill Pipe 114mm OD supplier

High Durability Reverse Circulation Double Wall Drill Pipe 114mm OD

Inquiry Cart 0