Main Products: drill rod ,drill bit ,drill accessories ,drill rig
high quality and high Steel DTH Drill Pipes for Rock Drilling Tools made in china
USD $100 - $120 /Piece
Min.Order:100 Pieces
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Linqing City Ruilong Drill Co., Ltd.
Business Type: Manufacturer
Liaocheng Shandong ChinaMain Products: drill rod ,drill bit ,drill accessories ,drill rigProduct Details
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
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