89mm 200kg/Pc High Pressure Welding Drill Pipe / Welding Drill Stem Pipe

89mm High Pressure Drill Pipes For Water Well Drilling

Product Description

1. OD: 4-1/2'' IR drill pipe

2. Steel grade: E75/R780/G105/S135
3. Pipe wall thickness: 8.56mm
4. Length : 25' (7.62M)
5. Tool joint: 2-7/8"IF(NC31)

6. Weight: 200kg/pc

7. Loading: 130 pcs/40' container

Drill pipe usage notes

1. New drill pipe should be pasted 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 clients’ special requirements

 
 


 
FAQ
 
Q: What is your delivery time?
A: It usually takes 20 days to produce. Within 3 days (if there is stock).
 
Q: How to control the quality?
A: Before shipping, we should check and test each drill rod.
 
Q: Do you agree to order samples?
A: Yes, we welcome your sample order to test our quality.
 
Q: Has your drill pipe been heat treated?
A: Yes, our heat treatment of drill pipe and casing.
 
Q: Does your drill pipe have anti-rust function?
A: Yes, each drill pipe and casing will be anti-rust with paint or anti-corrosion oil before transportation. If you need galvanized pipe, please contact us.