Langfang Baiwei Drill Co., Ltd.
Langfang Budweiser drilling tool manufacturing Co., Ltd
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High Fatigue Strength And Long Fatigue Life Drill Rod
Product Description
Drill pipes that are used in applications such as DTH/ DTHR/ DR basically comprise of a steel pipe with a pin at one end and a box on the other. The job of the drill pipe is to transmit rotational torque and thrust from the drill rig rotary head to down hole drilling tools.
| OD A | Wall B | Length L | Weight lbs | ID Pin C | Across Flat D | Flat Length E | Dist From Shoulder F | Flat Length G | Across Flat H | Connection |
| 3.5" | .315" | 20' | 245 | 1.75" | 2.75" | 12.5" | 3.25" | 2.25" | 3.25" | 2 3/8IF |
| 4.5" | .337" | 20' | 345 | 1.75" | 3" | 12.5" | 3.25" | 2.375" | 4" | 3 1/2 Reg |
| 4 1/2" | .337" | 20' | 345 | 2 1/8" | 3" | 12 1/2" | 3 1/4" | 2 3/8" | 4" | 2 7/8 IF |
| 4 1/2" | .337" | 25' | 430 | 1 3/4" | 3" | 12 1/2" | 3 1/4" | 2 3/8" | 4" | 3 1/2 Reg |
| 4 1/2" | .337" | 25' | 430 | 2 1/8" | 3" | 12 1/2" | 3 1/4" | 2 3/8" | 4" | 2 7/8 IF |
| 4 1/2" | .337" | 30' | 510 | 1 3/4" | 3" | 12 1/2" | 3 1/4" | 2 3/8" | 4" | 3 1/2 Reg |
| 4 1/2" | .500" | 25' | 510 | 1 3/4" | 3" | 12 1/2" | 3 1/4" | 2 3/8" | 4" | 3 1/2 Reg |
| 4 1/2" | .500" | 30' | 615 | 1 3/4" | 3" | 12 1/2" | 3 1/4" | 2 3/8" | 4" | 3 1/2 Reg |
| 4 1/2" | .750" | 25' | 805 | 1 3/4" | 3" | 12 1/2" | 3 1/4" | 2 3/8" | 4" | 3 1/2 Reg |
| 5" | .500" | 25' | 695 | 1 3/4" | 3" | 12 1/2" | 3 1/4" | 2 3/8" | 4" | 3 1/2 Reg |
| 5" | .500" | 30' | 775 | 1 3/4" | 3" | 12 1/2" | 3 1/4" | 2 3/8" | 4" | 3 1/2 Reg |
| 5" | .750" | 30' | 1100 | 1 3/4" | 3" | 12 1/2" | 3 1/4" | 2 3/8" | 4" | 3 1/2 Reg |
| 5" | .750" | 25' | 930 | 1 1/2" | 3" | 12 1/2" | 3 1/4" | 2 3/8" | 4 5/8" | 3 1/2 Beco |
| 5 1/2" | .750" | 25' | 1045 | 1 1/2" | 3" | 12 1/2" | 3 1/4" | 2 3/8" | 4 5/8" | 3 1/2 Beco |
| 5 1/2" | .750" | 30' | 1240 | 1 1/2" | 3" | 12 1/2" | 3 1/4" | 2 3/8" | 4 5/8" | 3 1/2 Beco |
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.