1: OD: 89mm ( 3.5' inch) thread drill pipe
2: Connection: 105mm(internal upset )or 121mm(external upset)
3: Grade: E75/R780/N80
4: Length: 3m, 6m, 9m
5: Wall thickness:9.5mm/10mm
6: Apply to Well Drilling
| Specification | ||||||
| Drill Pipe Joints Code | Drill Pipemm | Drill Pipe Joints (mm) | ||||
| Specs | Steel Grade | Outside Diameter | Inside Diameter of Pin Tap | Tong Space of Pin Tap | Tong Space of Box Tap | |
| NC26 | 2 3/8" | DZ50 ' R780 | Φ86 | Φ45 | 178 | 203 |
| 2 3/8" | G105 | Φ85.7 | Φ44.5 | 178 | 203 | |
| NC31 | 2 7/8" | DZ50 ' R780 | Φ104.8 | Φ50.8 | 232 | 280 |
| 2 7/8" | G105 | Φ104.8 | Φ50.8 | 232 | 280 | |
| NC38 | 3 1/2" | DZ50 ' R780 | Φ127.0 | Φ65.09 | 248 | 310 |
| 3 1/2" | G105 | Φ 127.0 | Φ61.9 | 248 | 310 | |
| NC46 | 4 1/2" | DZ50 ' R780 | Φ158.8 | Φ82.6 | 236 | 320 |
| 4 1/2" | G105 | Φ158.8 | Φ76.2 | 236 | 320 | |
| NC50 | 4 1/2" | G105 | Φ168.3 | Φ89 | 236 | 320 |
| 5" | DZ50 ' R780 | Φ168.3 | Φ89 Φ82.6 | 236 | 320 | |
| 5" | G105 | Φ168.3 | Φ82.6 | 236 | 320 | |
FAQ:
Q-1 Are you a manufacturer or trading company?
A:We are a specialized manufacturer.
Q-2 What are your main products, and used for?
A: Our products include core barrel, casing, drill rod, drill rig and other drilling parts.They are used for mineral exploration, geological drilling,
Q-3 How about the delivery terms?
A: 1.Payment: T/T, L/C, Western Union, Paypal, 30% deposit in advance and rest
before delivery
2. Min. order quantity: 1 piece.
3. Transportation: By sea, train.
Q-4 How about discount?
A: Price is based on products and order quantity.
Q-5 Do you accept sample order?
A: Yes sure, please contact us for details.
Q-6 How about your after-sales service?
A: As a manufacturer has 32 years of history we offer prompt technology support for all problems and questions. Besides, we accept goods return or replace for quality problem.
Q-7 Where is your factory located in?
A: Our factory is located in JIN ZHOU city, HEBEI province, China.
Q-8 How does your company control the quality?
A: Quality first. In order to guarantee high quality for our products, our always make a serious inspection for all products and raw materials in strict procedure. We have obtained certificate of ISO9001
