High Quality and High Steel DTH Drill Pipes for Rock Drilling Tools Made in China
dth drill pipes
| Q series Rod parameter-geological steel pipe-entire length thermal treatment, NQ lathe with former cutters | |||||
| Spec. | Unit | BQB | NQB | HQB | PQB |
| OD/ID | mm | 55.6/46 | 71/60 | 89/77.8 | 114.3/101.6 |
| Thickness | mm | 4.8 | 5.5 | 5.6 | 6.35 |
| Length | m | 1.5 or 3 | 1.5 or 3 | 1.5 or 3 | 1.5 or 3 |
| Weight | kg/m | 6.01 | 8.8 | 11.51 | 17.3 |
| thread length | mm | 44.45 | 44.45 | 44.45 | 63.5 |
| thread pitch | thread/inch | 3 | 3 | 3 | 2.5 |
| box thread tooth height | mm | 0.76 | 0.76 | 0.76 | 1.17 |
| pin thread tooth height | mm | 0.88 | 0.88 | 0.88 | 1.27 |
| thread tooth angle | . | 29 | 29 | 29 | 29 |
| tensile resistance(A series) | kn | 400 | 530 | 510 | 565 |
| tensile resistance(B series) | kn | 450 | 615 | 625 | 660 |
| bore depth | m | 1200 | 1000 | 900 | 800 |
| QR series Rod parameter-geological steel pipe-entire length thermal treatment, NQ lathe with former cutters | |||||
| Spec. | Unit | BRQ | NRQ | HRQ | PRQ |
| OD/ID | mm | 55.6/46 | 69.9/60.3 | 88.9/77.8 | 114.3/101.6 |
| Length | m | 1.5 or 3 | 1.5 or 3 | 1.5 or 3 | 1.5 or 3 |
| Weight | kg/m | 6.01 | 8.8 | 11.51 | 17.3 |
| thread length | mm | 42 | 42 | 41.91 | 63.5 |
| thread pitch | thread/inch | 3 | 3 | 3 | 2.5 |
| box thread tooth height | mm | 0.76 | 0.76 | 0.76 | 1.17 |
| pin thread tooth height | mm | 0.88 | 0.88 | 0.88 | 1.27 |
| thread tooth negative angle | . | 5 | 5 | 5 | 5 |
| tensile resistance(A) | kn | 450 | 525 | 545 | 565 |
| tensile resistance(B) | kn | 530 | 625.5 | 602 | 660 |
| bore depth | m | |
|||

Ruilong will response in 8 hours to the problems caused by our products. When necessity arises inside the country, technical support will arrive in 24 hours within a 1000 kilometers radius of the company, will arrive in 48 hours for other parts of China. Due to the limitation of branch offices in foreign countries, technical support will arrive your work site in 15 days after visa is issued

Send Inquiry to This Supplier
You May Also Like
-
High Quality Roadway Rock Bolt Expanding Shell Hollow R25 Anchor Rod BarNegotiableMOQ: 1 Piece
-
High Chromium Impact Crusher Hammer HRC 60-65 for Stone CrushingNegotiableMOQ: 1 Piece
-
High Strength Cast Steel Crusher Lifting Beam Heavy Load Mining Equipment Spare PartNegotiableMOQ: 2 Pieces
-
Mining Machinery PartsNegotiableMOQ: 2300 Sets
-
Hardfacing Abrasion High Wear Resistant Performance Cladding Plate TubeUS$ 399.69 - 399.69MOQ: 1 Square Meter
-
Drilling Equipments Drilling Fluids Vacuum DegasserNegotiableMOQ: 1 Set
-
Good Quality Tungsten Carbide Button InsertsUS$ 1 - 5MOQ: 100 Pieces
-
Airless Truck Tire Solid Vehicle Tire 17.5-25 20.5-25 for Mining Machine PartsUS$ 16 - 200MOQ: 1 Piece
-
Ball Mill Plant Used Automatic Feeding Electromagnetic Vibrating FeederUS$ 650 - 800MOQ: 1 Set
-
API 16A Cameron/shaffer Type Single Ram BOP Manual for Oilfield DrillingUS$ 100000.00 - 100000.00MOQ: 1 Set



